/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 enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 12:12:16,988 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-18 12:12:17,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 12:12:17,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 12:12:17,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 12:12:17,073 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 [2020-08-18 12:12:17,095 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 12:12:17,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 12:12:17,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 12:12:17,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 12:12:17,097 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 12:12:17,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 12:12:17,098 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 12:12:17,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 12:12:17,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 12:12:17,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 12:12:17,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 12:12:17,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 12:12:17,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 12:12:17,099 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 12:12:17,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 12:12:17,099 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 12:12:17,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 12:12:17,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 12:12:17,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 12:12:17,100 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 12:12:17,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 12:12:17,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 12:12:17,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 12:12:17,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 12:12:17,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 12:12:17,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 12:12:17,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 12:12:17,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 12:12:17,102 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 12:12:17,102 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 -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; [2020-08-18 12:12:17,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 12:12:17,432 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 12:12:17,438 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 12:12:17,439 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 12:12:17,440 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 12:12:17,440 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label05.c [2020-08-18 12:12:17,512 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9dbc1559b/94066cef21a9493199afa3eb17a23106/FLAG2c407baa2 [2020-08-18 12:12:18,150 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 12:12:18,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label05.c [2020-08-18 12:12:18,164 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9dbc1559b/94066cef21a9493199afa3eb17a23106/FLAG2c407baa2 [2020-08-18 12:12:18,338 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9dbc1559b/94066cef21a9493199afa3eb17a23106 [2020-08-18 12:12:18,347 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 12:12:18,349 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 12:12:18,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 12:12:18,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 12:12:18,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 12:12:18,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:12:18" (1/1) ... [2020-08-18 12:12:18,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605628e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:12:18, skipping insertion in model container [2020-08-18 12:12:18,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:12:18" (1/1) ... [2020-08-18 12:12:18,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 12:12:18,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 12:12:18,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 12:12:19,012 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 12:12:19,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 12:12:19,140 INFO L208 MainTranslator]: Completed translation [2020-08-18 12:12:19,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:12:19 WrapperNode [2020-08-18 12:12:19,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 12:12:19,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 12:12:19,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 12:12:19,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 12:12:19,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:12:19" (1/1) ... [2020-08-18 12:12:19,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:12:19" (1/1) ... [2020-08-18 12:12:19,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:12:19" (1/1) ... [2020-08-18 12:12:19,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:12:19" (1/1) ... [2020-08-18 12:12:19,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:12:19" (1/1) ... [2020-08-18 12:12:19,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:12:19" (1/1) ... [2020-08-18 12:12:19,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:12:19" (1/1) ... [2020-08-18 12:12:19,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 12:12:19,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 12:12:19,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 12:12:19,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 12:12:19,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:12:19" (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 [2020-08-18 12:12:19,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 12:12:19,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 12:12:19,305 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-18 12:12:19,305 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 12:12:19,305 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-18 12:12:19,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 12:12:19,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 12:12:19,306 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 12:12:19,307 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 12:12:19,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 12:12:19,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 12:12:20,523 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 12:12:20,523 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 12:12:20,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:12:20 BoogieIcfgContainer [2020-08-18 12:12:20,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 12:12:20,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 12:12:20,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 12:12:20,535 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 12:12:20,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 12:12:18" (1/3) ... [2020-08-18 12:12:20,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c95499b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 12:12:20, skipping insertion in model container [2020-08-18 12:12:20,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:12:19" (2/3) ... [2020-08-18 12:12:20,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c95499b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 12:12:20, skipping insertion in model container [2020-08-18 12:12:20,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:12:20" (3/3) ... [2020-08-18 12:12:20,539 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label05.c [2020-08-18 12:12:20,551 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 12:12:20,559 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 12:12:20,574 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 12:12:20,604 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 12:12:20,605 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 12:12:20,605 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 12:12:20,605 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 12:12:20,606 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 12:12:20,606 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 12:12:20,606 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 12:12:20,606 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 12:12:20,641 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-18 12:12:20,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-08-18 12:12:20,661 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:12:20,663 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] [2020-08-18 12:12:20,664 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:12:20,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:12:20,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1575146953, now seen corresponding path program 1 times [2020-08-18 12:12:20,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:12:20,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1126854343] [2020-08-18 12:12:20,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:12:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:21,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:12:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:21,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:12:21,183 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1126854343] [2020-08-18 12:12:21,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 12:12:21,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 12:12:21,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798378541] [2020-08-18 12:12:21,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 12:12:21,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:12:21,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 12:12:21,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 12:12:21,211 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-08-18 12:12:22,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:12:22,780 INFO L93 Difference]: Finished difference Result 596 states and 1021 transitions. [2020-08-18 12:12:22,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 12:12:22,782 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2020-08-18 12:12:22,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:12:22,799 INFO L225 Difference]: With dead ends: 596 [2020-08-18 12:12:22,800 INFO L226 Difference]: Without dead ends: 302 [2020-08-18 12:12:22,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 12:12:22,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-08-18 12:12:22,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-08-18 12:12:22,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-08-18 12:12:22,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 430 transitions. [2020-08-18 12:12:22,884 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 430 transitions. Word has length 58 [2020-08-18 12:12:22,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:12:22,885 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 430 transitions. [2020-08-18 12:12:22,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 12:12:22,885 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 430 transitions. [2020-08-18 12:12:22,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-08-18 12:12:22,892 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:12:22,892 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:12:22,892 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 12:12:22,893 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:12:22,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:12:22,893 INFO L82 PathProgramCache]: Analyzing trace with hash -2054791822, now seen corresponding path program 1 times [2020-08-18 12:12:22,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:12:22,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [262193478] [2020-08-18 12:12:22,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:12:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:23,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:12:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:23,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:12:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:23,218 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:12:23,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [262193478] [2020-08-18 12:12:23,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 12:12:23,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 12:12:23,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211370869] [2020-08-18 12:12:23,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 12:12:23,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:12:23,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 12:12:23,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 12:12:23,222 INFO L87 Difference]: Start difference. First operand 298 states and 430 transitions. Second operand 8 states. [2020-08-18 12:12:25,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:12:25,227 INFO L93 Difference]: Finished difference Result 1198 states and 1805 transitions. [2020-08-18 12:12:25,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 12:12:25,228 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 132 [2020-08-18 12:12:25,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:12:25,236 INFO L225 Difference]: With dead ends: 1198 [2020-08-18 12:12:25,237 INFO L226 Difference]: Without dead ends: 906 [2020-08-18 12:12:25,239 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-18 12:12:25,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2020-08-18 12:12:25,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 894. [2020-08-18 12:12:25,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-08-18 12:12:25,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1231 transitions. [2020-08-18 12:12:25,312 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1231 transitions. Word has length 132 [2020-08-18 12:12:25,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:12:25,313 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1231 transitions. [2020-08-18 12:12:25,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 12:12:25,313 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1231 transitions. [2020-08-18 12:12:25,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-08-18 12:12:25,320 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:12:25,320 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:12:25,320 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 12:12:25,321 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:12:25,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:12:25,321 INFO L82 PathProgramCache]: Analyzing trace with hash -2085474635, now seen corresponding path program 1 times [2020-08-18 12:12:25,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:12:25,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1590525993] [2020-08-18 12:12:25,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:12:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:25,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:12:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:25,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:12:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:25,686 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 34 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:12:25,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1590525993] [2020-08-18 12:12:25,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:12:25,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 12:12:25,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77342020] [2020-08-18 12:12:25,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 12:12:25,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:12:25,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 12:12:25,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 12:12:25,691 INFO L87 Difference]: Start difference. First operand 894 states and 1231 transitions. Second operand 8 states. [2020-08-18 12:12:27,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:12:27,455 INFO L93 Difference]: Finished difference Result 2397 states and 3360 transitions. [2020-08-18 12:12:27,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 12:12:27,457 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 137 [2020-08-18 12:12:27,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:12:27,466 INFO L225 Difference]: With dead ends: 2397 [2020-08-18 12:12:27,467 INFO L226 Difference]: Without dead ends: 1482 [2020-08-18 12:12:27,470 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-08-18 12:12:27,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2020-08-18 12:12:27,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1478. [2020-08-18 12:12:27,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1478 states. [2020-08-18 12:12:27,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 2069 transitions. [2020-08-18 12:12:27,535 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 2069 transitions. Word has length 137 [2020-08-18 12:12:27,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:12:27,536 INFO L479 AbstractCegarLoop]: Abstraction has 1478 states and 2069 transitions. [2020-08-18 12:12:27,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 12:12:27,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2069 transitions. [2020-08-18 12:12:27,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-08-18 12:12:27,541 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:12:27,541 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:12:27,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 12:12:27,542 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:12:27,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:12:27,542 INFO L82 PathProgramCache]: Analyzing trace with hash 641153941, now seen corresponding path program 1 times [2020-08-18 12:12:27,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:12:27,543 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [875099626] [2020-08-18 12:12:27,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:12:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:27,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:12:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:27,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:12:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:27,787 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:12:27,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [875099626] [2020-08-18 12:12:27,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 12:12:27,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 12:12:27,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785190654] [2020-08-18 12:12:27,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 12:12:27,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:12:27,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 12:12:27,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 12:12:27,792 INFO L87 Difference]: Start difference. First operand 1478 states and 2069 transitions. Second operand 8 states. [2020-08-18 12:12:29,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:12:29,308 INFO L93 Difference]: Finished difference Result 3592 states and 5347 transitions. [2020-08-18 12:12:29,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 12:12:29,309 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2020-08-18 12:12:29,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:12:29,326 INFO L225 Difference]: With dead ends: 3592 [2020-08-18 12:12:29,326 INFO L226 Difference]: Without dead ends: 2263 [2020-08-18 12:12:29,331 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 [2020-08-18 12:12:29,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2020-08-18 12:12:29,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 1931. [2020-08-18 12:12:29,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1931 states. [2020-08-18 12:12:29,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1931 states and 2630 transitions. [2020-08-18 12:12:29,428 INFO L78 Accepts]: Start accepts. Automaton has 1931 states and 2630 transitions. Word has length 153 [2020-08-18 12:12:29,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:12:29,430 INFO L479 AbstractCegarLoop]: Abstraction has 1931 states and 2630 transitions. [2020-08-18 12:12:29,430 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 12:12:29,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2630 transitions. [2020-08-18 12:12:29,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-08-18 12:12:29,433 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:12:29,434 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:12:29,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 12:12:29,434 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:12:29,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:12:29,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1883378406, now seen corresponding path program 1 times [2020-08-18 12:12:29,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:12:29,435 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [206495558] [2020-08-18 12:12:29,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:12:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:29,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:12:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:29,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:12:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:29,695 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:12:29,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [206495558] [2020-08-18 12:12:29,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 12:12:29,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 12:12:29,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153083952] [2020-08-18 12:12:29,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 12:12:29,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:12:29,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 12:12:29,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 12:12:29,699 INFO L87 Difference]: Start difference. First operand 1931 states and 2630 transitions. Second operand 7 states. [2020-08-18 12:12:31,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:12:31,018 INFO L93 Difference]: Finished difference Result 4023 states and 5493 transitions. [2020-08-18 12:12:31,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 12:12:31,023 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 154 [2020-08-18 12:12:31,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:12:31,034 INFO L225 Difference]: With dead ends: 4023 [2020-08-18 12:12:31,035 INFO L226 Difference]: Without dead ends: 2098 [2020-08-18 12:12:31,040 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-18 12:12:31,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2098 states. [2020-08-18 12:12:31,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2098 to 2084. [2020-08-18 12:12:31,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2084 states. [2020-08-18 12:12:31,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 2084 states and 2810 transitions. [2020-08-18 12:12:31,103 INFO L78 Accepts]: Start accepts. Automaton has 2084 states and 2810 transitions. Word has length 154 [2020-08-18 12:12:31,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:12:31,103 INFO L479 AbstractCegarLoop]: Abstraction has 2084 states and 2810 transitions. [2020-08-18 12:12:31,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 12:12:31,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 2810 transitions. [2020-08-18 12:12:31,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-08-18 12:12:31,106 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:12:31,107 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:12:31,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 12:12:31,107 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:12:31,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:12:31,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1913054291, now seen corresponding path program 1 times [2020-08-18 12:12:31,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:12:31,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1513837090] [2020-08-18 12:12:31,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:12:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:31,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:12:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:31,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:12:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:31,347 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 47 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:12:31,351 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1513837090] [2020-08-18 12:12:31,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:12:31,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 12:12:31,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967585382] [2020-08-18 12:12:31,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 12:12:31,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:12:31,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 12:12:31,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-18 12:12:31,354 INFO L87 Difference]: Start difference. First operand 2084 states and 2810 transitions. Second operand 7 states. [2020-08-18 12:12:33,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:12:33,412 INFO L93 Difference]: Finished difference Result 2962 states and 4013 transitions. [2020-08-18 12:12:33,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 12:12:33,415 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 173 [2020-08-18 12:12:33,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:12:33,430 INFO L225 Difference]: With dead ends: 2962 [2020-08-18 12:12:33,431 INFO L226 Difference]: Without dead ends: 2960 [2020-08-18 12:12:33,432 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-08-18 12:12:33,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2960 states. [2020-08-18 12:12:33,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2960 to 2088. [2020-08-18 12:12:33,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2088 states. [2020-08-18 12:12:33,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2088 states to 2088 states and 2813 transitions. [2020-08-18 12:12:33,508 INFO L78 Accepts]: Start accepts. Automaton has 2088 states and 2813 transitions. Word has length 173 [2020-08-18 12:12:33,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:12:33,509 INFO L479 AbstractCegarLoop]: Abstraction has 2088 states and 2813 transitions. [2020-08-18 12:12:33,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 12:12:33,509 INFO L276 IsEmpty]: Start isEmpty. Operand 2088 states and 2813 transitions. [2020-08-18 12:12:33,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-08-18 12:12:33,514 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:12:33,515 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, 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] [2020-08-18 12:12:33,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 12:12:33,515 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:12:33,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:12:33,516 INFO L82 PathProgramCache]: Analyzing trace with hash -50393598, now seen corresponding path program 1 times [2020-08-18 12:12:33,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:12:33,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2099365371] [2020-08-18 12:12:33,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:12:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:33,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:12:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:33,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:12:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:33,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-18 12:12:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:34,222 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 169 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 12:12:34,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2099365371] [2020-08-18 12:12:34,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:12:34,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-18 12:12:34,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916821340] [2020-08-18 12:12:34,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 12:12:34,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:12:34,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 12:12:34,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-08-18 12:12:34,229 INFO L87 Difference]: Start difference. First operand 2088 states and 2813 transitions. Second operand 12 states. [2020-08-18 12:12:37,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:12:37,875 INFO L93 Difference]: Finished difference Result 4343 states and 5920 transitions. [2020-08-18 12:12:37,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-08-18 12:12:37,882 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 247 [2020-08-18 12:12:37,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:12:37,894 INFO L225 Difference]: With dead ends: 4343 [2020-08-18 12:12:37,894 INFO L226 Difference]: Without dead ends: 2404 [2020-08-18 12:12:37,901 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=190, Invalid=622, Unknown=0, NotChecked=0, Total=812 [2020-08-18 12:12:37,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2404 states. [2020-08-18 12:12:37,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2404 to 2386. [2020-08-18 12:12:37,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2386 states. [2020-08-18 12:12:37,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 2386 states and 3161 transitions. [2020-08-18 12:12:37,981 INFO L78 Accepts]: Start accepts. Automaton has 2386 states and 3161 transitions. Word has length 247 [2020-08-18 12:12:37,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:12:37,982 INFO L479 AbstractCegarLoop]: Abstraction has 2386 states and 3161 transitions. [2020-08-18 12:12:37,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 12:12:37,983 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states and 3161 transitions. [2020-08-18 12:12:37,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-08-18 12:12:37,991 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:12:37,991 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:12:37,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 12:12:37,992 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:12:37,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:12:37,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1067229009, now seen corresponding path program 1 times [2020-08-18 12:12:37,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:12:37,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [557852013] [2020-08-18 12:12:37,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:12:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:38,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:12:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:38,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:12:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:38,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-18 12:12:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:38,456 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 214 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 12:12:38,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [557852013] [2020-08-18 12:12:38,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:12:38,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-18 12:12:38,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119329338] [2020-08-18 12:12:38,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 12:12:38,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:12:38,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 12:12:38,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-08-18 12:12:38,459 INFO L87 Difference]: Start difference. First operand 2386 states and 3161 transitions. Second operand 9 states. [2020-08-18 12:12:41,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:12:41,366 INFO L93 Difference]: Finished difference Result 5078 states and 6816 transitions. [2020-08-18 12:12:41,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-18 12:12:41,366 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 292 [2020-08-18 12:12:41,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:12:41,379 INFO L225 Difference]: With dead ends: 5078 [2020-08-18 12:12:41,379 INFO L226 Difference]: Without dead ends: 2841 [2020-08-18 12:12:41,386 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2020-08-18 12:12:41,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2841 states. [2020-08-18 12:12:41,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2841 to 2835. [2020-08-18 12:12:41,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2835 states. [2020-08-18 12:12:41,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2835 states to 2835 states and 3708 transitions. [2020-08-18 12:12:41,459 INFO L78 Accepts]: Start accepts. Automaton has 2835 states and 3708 transitions. Word has length 292 [2020-08-18 12:12:41,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:12:41,460 INFO L479 AbstractCegarLoop]: Abstraction has 2835 states and 3708 transitions. [2020-08-18 12:12:41,460 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 12:12:41,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 3708 transitions. [2020-08-18 12:12:41,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2020-08-18 12:12:41,471 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:12:41,471 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:12:41,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 12:12:41,472 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:12:41,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:12:41,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1405230736, now seen corresponding path program 1 times [2020-08-18 12:12:41,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:12:41,473 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1665897799] [2020-08-18 12:12:41,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:12:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:41,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:12:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:41,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:12:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:41,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-18 12:12:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:41,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-08-18 12:12:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:41,960 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 336 proven. 8 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-08-18 12:12:41,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1665897799] [2020-08-18 12:12:41,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:12:41,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-18 12:12:41,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25391071] [2020-08-18 12:12:41,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 12:12:41,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:12:41,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 12:12:41,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-18 12:12:41,963 INFO L87 Difference]: Start difference. First operand 2835 states and 3708 transitions. Second operand 9 states. [2020-08-18 12:12:44,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:12:44,986 INFO L93 Difference]: Finished difference Result 6818 states and 8969 transitions. [2020-08-18 12:12:44,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-18 12:12:44,987 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 364 [2020-08-18 12:12:44,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:12:44,999 INFO L225 Difference]: With dead ends: 6818 [2020-08-18 12:12:45,000 INFO L226 Difference]: Without dead ends: 3240 [2020-08-18 12:12:45,008 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2020-08-18 12:12:45,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3240 states. [2020-08-18 12:12:45,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3240 to 2378. [2020-08-18 12:12:45,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2378 states. [2020-08-18 12:12:45,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2378 states to 2378 states and 2771 transitions. [2020-08-18 12:12:45,075 INFO L78 Accepts]: Start accepts. Automaton has 2378 states and 2771 transitions. Word has length 364 [2020-08-18 12:12:45,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:12:45,076 INFO L479 AbstractCegarLoop]: Abstraction has 2378 states and 2771 transitions. [2020-08-18 12:12:45,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 12:12:45,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2378 states and 2771 transitions. [2020-08-18 12:12:45,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-08-18 12:12:45,088 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:12:45,089 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:12:45,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-18 12:12:45,089 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:12:45,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:12:45,090 INFO L82 PathProgramCache]: Analyzing trace with hash -847886279, now seen corresponding path program 1 times [2020-08-18 12:12:45,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:12:45,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1632287458] [2020-08-18 12:12:45,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:12:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:45,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:12:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:45,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:12:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:45,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-18 12:12:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:45,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-08-18 12:12:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:12:45,465 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 156 proven. 3 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-08-18 12:12:45,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1632287458] [2020-08-18 12:12:45,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:12:45,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 12:12:45,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986653219] [2020-08-18 12:12:45,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 12:12:45,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:12:45,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 12:12:45,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 12:12:45,469 INFO L87 Difference]: Start difference. First operand 2378 states and 2771 transitions. Second operand 5 states. [2020-08-18 12:12:46,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:12:46,543 INFO L93 Difference]: Finished difference Result 4462 states and 5234 transitions. [2020-08-18 12:12:46,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 12:12:46,544 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 369 [2020-08-18 12:12:46,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:12:46,545 INFO L225 Difference]: With dead ends: 4462 [2020-08-18 12:12:46,545 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 12:12:46,553 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-18 12:12:46,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 12:12:46,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 12:12:46,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 12:12:46,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 12:12:46,554 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 369 [2020-08-18 12:12:46,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:12:46,554 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 12:12:46,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 12:12:46,554 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 12:12:46,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 12:12:46,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-18 12:12:46,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 12:12:46,944 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 104 [2020-08-18 12:12:47,046 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 104 [2020-08-18 12:12:47,644 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 41 [2020-08-18 12:12:47,916 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 36 [2020-08-18 12:12:48,179 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 36 [2020-08-18 12:12:48,183 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 12:12:48,184 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)|)) [2020-08-18 12:12:48,184 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 12:12:48,184 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-18 12:12:48,184 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,185 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,185 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,185 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,185 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,185 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,185 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-18 12:12:48,185 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-18 12:12:48,185 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-18 12:12:48,186 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-18 12:12:48,186 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-18 12:12:48,186 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-18 12:12:48,186 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-18 12:12:48,186 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-18 12:12:48,186 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-18 12:12:48,186 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-18 12:12:48,187 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-18 12:12:48,187 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,187 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,187 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,187 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,187 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,188 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-18 12:12:48,188 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-18 12:12:48,188 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-18 12:12:48,188 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-18 12:12:48,188 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-18 12:12:48,188 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-18 12:12:48,188 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-18 12:12:48,188 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-18 12:12:48,188 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-18 12:12:48,189 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-18 12:12:48,189 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-18 12:12:48,189 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-18 12:12:48,189 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-18 12:12:48,189 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2020-08-18 12:12:48,189 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-18 12:12:48,189 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,189 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,189 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,189 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,189 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,190 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-18 12:12:48,190 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 12:12:48,190 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-18 12:12:48,190 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-18 12:12:48,190 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-18 12:12:48,190 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-18 12:12:48,190 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-18 12:12:48,191 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-18 12:12:48,191 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-18 12:12:48,191 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-18 12:12:48,191 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,191 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,191 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,191 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,191 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,192 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-18 12:12:48,192 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-18 12:12:48,192 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-18 12:12:48,192 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-18 12:12:48,192 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-18 12:12:48,192 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-18 12:12:48,192 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-18 12:12:48,193 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-18 12:12:48,193 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-18 12:12:48,193 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-18 12:12:48,193 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-18 12:12:48,193 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-18 12:12:48,193 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-18 12:12:48,193 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,194 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,194 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,194 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,194 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,194 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-18 12:12:48,194 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-18 12:12:48,194 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-18 12:12:48,194 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-18 12:12:48,194 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-18 12:12:48,194 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-18 12:12:48,195 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-18 12:12:48,195 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-18 12:12:48,195 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-18 12:12:48,195 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,195 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,195 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,195 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,195 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,195 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,195 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,195 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-18 12:12:48,195 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-18 12:12:48,196 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-18 12:12:48,196 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-18 12:12:48,196 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-18 12:12:48,196 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-18 12:12:48,196 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 12:12:48,196 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-18 12:12:48,196 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-18 12:12:48,196 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-18 12:12:48,196 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-18 12:12:48,196 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-18 12:12:48,196 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-18 12:12:48,197 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,197 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,197 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,197 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,197 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-18 12:12:48,197 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,197 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,198 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-18 12:12:48,198 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-18 12:12:48,198 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-18 12:12:48,198 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-18 12:12:48,198 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-18 12:12:48,198 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-18 12:12:48,198 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-18 12:12:48,198 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-18 12:12:48,198 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-18 12:12:48,198 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-18 12:12:48,199 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-18 12:12:48,199 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-18 12:12:48,199 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-18 12:12:48,199 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,199 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,199 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,199 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,199 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,199 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,200 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-18 12:12:48,200 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-18 12:12:48,200 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-18 12:12:48,200 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-18 12:12:48,200 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-18 12:12:48,200 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-18 12:12:48,200 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 12:12:48,200 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-18 12:12:48,200 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-18 12:12:48,200 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-18 12:12:48,200 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-18 12:12:48,201 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)|))) (.cse4 (= 3 |old(~a10~0)|)) (.cse2 (not (= 14 ~a4~0))) (.cse3 (not (= ~a12~0 0)))) (and (or (= 6 |old(~a19~0)|) .cse0 .cse1 .cse2 .cse3) (or (not .cse4) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (<= |old(~a1~0)| 23)) .cse1 .cse2 .cse3) (or (not (<= 10 |old(~a19~0)|)) .cse0 .cse4 .cse2 .cse3))) [2020-08-18 12:12:48,201 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-18 12:12:48,201 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-18 12:12:48,201 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-18 12:12:48,202 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,202 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,202 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,202 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,202 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,204 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,204 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-18 12:12:48,204 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 12:12:48,205 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-18 12:12:48,205 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-18 12:12:48,205 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-18 12:12:48,205 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-18 12:12:48,205 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-18 12:12:48,205 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-18 12:12:48,206 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-18 12:12:48,206 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-18 12:12:48,206 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-18 12:12:48,206 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-18 12:12:48,206 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-18 12:12:48,206 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,206 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,207 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,207 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,207 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,207 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,207 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-18 12:12:48,207 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-18 12:12:48,207 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-18 12:12:48,208 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-18 12:12:48,208 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-18 12:12:48,208 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-18 12:12:48,208 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-18 12:12:48,208 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-18 12:12:48,208 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-18 12:12:48,209 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-18 12:12:48,209 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-18 12:12:48,209 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-18 12:12:48,209 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,209 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,209 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,209 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,210 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,210 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:12:48,210 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-18 12:12:48,210 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-18 12:12:48,210 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-18 12:12:48,211 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-18 12:12:48,211 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-18 12:12:48,211 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-18 12:12:48,211 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-18 12:12:48,211 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-18 12:12:48,211 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-18 12:12:48,212 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-18 12:12:48,212 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-18 12:12:48,212 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-18 12:12:48,212 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 12:12:48,212 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 23 ~a1~0) (= 14 ~a4~0) (= ~a12~0 0) (= ~a19~0 9) (<= ~a1~0 23)) [2020-08-18 12:12:48,213 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 12:12:48,213 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 12:12:48,213 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)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (= ~a12~0 0))) [2020-08-18 12:12:48,213 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-18 12:12:48,214 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (= ~a10~0 3))) (or (not (<= 23 |old(~a1~0)|)) (and .cse0 (<= ~a1~0 23)) (not (<= |old(~a10~0)| 0)) (and .cse1 .cse0) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (and (not .cse1) (not (= ~a19~0 6))) (not (= 14 ~a4~0)) (not (= ~a12~0 0)))) [2020-08-18 12:12:48,214 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-18 12:12:48,214 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-18 12:12:48,214 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse1 (= ~a10~0 3))) (or (not (<= 23 |old(~a1~0)|)) (and .cse0 (<= ~a1~0 23)) (not (<= |old(~a10~0)| 0)) (and .cse1 .cse0) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (and (not .cse1) (not (= ~a19~0 6))) (not (= 14 ~a4~0)) (not (= ~a12~0 0)))) [2020-08-18 12:12:48,214 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-18 12:12:48,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 12:12:48 BoogieIcfgContainer [2020-08-18 12:12:48,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 12:12:48,253 INFO L168 Benchmark]: Toolchain (without parser) took 29903.60 ms. Allocated memory was 140.5 MB in the beginning and 608.7 MB in the end (delta: 468.2 MB). Free memory was 101.9 MB in the beginning and 228.7 MB in the end (delta: -126.8 MB). Peak memory consumption was 341.3 MB. Max. memory is 7.1 GB. [2020-08-18 12:12:48,254 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 12:12:48,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 790.52 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 101.7 MB in the beginning and 171.0 MB in the end (delta: -69.3 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2020-08-18 12:12:48,263 INFO L168 Benchmark]: Boogie Preprocessor took 104.99 ms. Allocated memory is still 205.0 MB. Free memory was 171.0 MB in the beginning and 166.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-08-18 12:12:48,265 INFO L168 Benchmark]: RCFGBuilder took 1283.44 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 166.2 MB in the beginning and 179.0 MB in the end (delta: -12.9 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. [2020-08-18 12:12:48,267 INFO L168 Benchmark]: TraceAbstraction took 27719.71 ms. Allocated memory was 237.5 MB in the beginning and 608.7 MB in the end (delta: 371.2 MB). Free memory was 179.0 MB in the beginning and 228.7 MB in the end (delta: -49.7 MB). Peak memory consumption was 321.5 MB. Max. memory is 7.1 GB. [2020-08-18 12:12:48,279 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 790.52 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 101.7 MB in the beginning and 171.0 MB in the end (delta: -69.3 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.99 ms. Allocated memory is still 205.0 MB. Free memory was 171.0 MB in the beginning and 166.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1283.44 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 166.2 MB in the beginning and 179.0 MB in the end (delta: -12.9 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27719.71 ms. Allocated memory was 237.5 MB in the beginning and 608.7 MB in the end (delta: 371.2 MB). Free memory was 179.0 MB in the beginning and 228.7 MB in the end (delta: -49.7 MB). Peak memory consumption was 321.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 160]: 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)) || (a19 <= 9 && a1 <= 23)) || !(\old(a10) <= 0)) || (a10 == 3 && a19 <= 9)) || !(9 == \old(a19))) || !(\old(a1) <= 23)) || (!(a10 == 3) && !(a19 == 6))) || !(14 == a4)) || !(a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.9s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 21.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 282 SDtfs, 7167 SDslu, 392 SDs, 0 SdLazy, 12092 SolverSat, 2145 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 182 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2835occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 2124 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 121 PreInvPairs, 169 NumberOfFragments, 292 HoareAnnotationTreeSize, 121 FomulaSimplifications, 16106 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4647 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 2079 NumberOfCodeBlocks, 2079 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2069 ConstructedInterpolants, 0 QuantifiedInterpolants, 1501053 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 1442/1478 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...