/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=SHALLOWEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 20:22:06,076 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-18 20:22:06,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 20:22:06,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 20:22:06,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 20:22:06,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 20:22:06,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 20:22:06,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 20:22:06,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 20:22:06,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 20:22:06,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 20:22:06,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 20:22:06,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 20:22:06,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 20:22:06,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 20:22:06,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 20:22:06,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 20:22:06,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 20:22:06,143 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 20:22:06,192 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 20:22:06,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 20:22:06,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 20:22:06,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 20:22:06,195 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 20:22:06,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 20:22:06,195 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 20:22:06,196 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 20:22:06,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 20:22:06,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 20:22:06,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 20:22:06,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 20:22:06,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 20:22:06,198 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 20:22:06,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 20:22:06,198 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 20:22:06,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 20:22:06,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 20:22:06,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 20:22:06,201 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 20:22:06,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 20:22:06,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 20:22:06,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 20:22:06,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 20:22:06,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 20:22:06,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 20:22:06,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 20:22:06,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 20:22:06,203 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 20:22:06,204 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=SHALLOWEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SHALLOWEST; [2020-08-18 20:22:06,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 20:22:06,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 20:22:06,554 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 20:22:06,556 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 20:22:06,557 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 20:22:06,558 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label17.c [2020-08-18 20:22:06,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3895a1d28/eaebbadedac74ed0b75eef00f1e83279/FLAG16ab7a877 [2020-08-18 20:22:07,212 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 20:22:07,213 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label17.c [2020-08-18 20:22:07,225 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3895a1d28/eaebbadedac74ed0b75eef00f1e83279/FLAG16ab7a877 [2020-08-18 20:22:07,501 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3895a1d28/eaebbadedac74ed0b75eef00f1e83279 [2020-08-18 20:22:07,510 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 20:22:07,511 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 20:22:07,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 20:22:07,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 20:22:07,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 20:22:07,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:22:07" (1/1) ... [2020-08-18 20:22:07,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cbd866b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:22:07, skipping insertion in model container [2020-08-18 20:22:07,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:22:07" (1/1) ... [2020-08-18 20:22:07,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 20:22:07,597 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 20:22:08,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:22:08,101 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 20:22:08,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:22:08,303 INFO L208 MainTranslator]: Completed translation [2020-08-18 20:22:08,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:22:08 WrapperNode [2020-08-18 20:22:08,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 20:22:08,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 20:22:08,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 20:22:08,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 20:22:08,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:22:08" (1/1) ... [2020-08-18 20:22:08,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:22:08" (1/1) ... [2020-08-18 20:22:08,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:22:08" (1/1) ... [2020-08-18 20:22:08,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:22:08" (1/1) ... [2020-08-18 20:22:08,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:22:08" (1/1) ... [2020-08-18 20:22:08,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:22:08" (1/1) ... [2020-08-18 20:22:08,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:22:08" (1/1) ... [2020-08-18 20:22:08,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 20:22:08,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 20:22:08,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 20:22:08,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 20:22:08,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:22:08" (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 20:22:08,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 20:22:08,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 20:22:08,481 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-18 20:22:08,481 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 20:22:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-18 20:22:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 20:22:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 20:22:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 20:22:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 20:22:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 20:22:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 20:22:09,677 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 20:22:09,678 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 20:22:09,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:22:09 BoogieIcfgContainer [2020-08-18 20:22:09,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 20:22:09,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 20:22:09,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 20:22:09,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 20:22:09,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 08:22:07" (1/3) ... [2020-08-18 20:22:09,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f878d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:22:09, skipping insertion in model container [2020-08-18 20:22:09,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:22:08" (2/3) ... [2020-08-18 20:22:09,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f878d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:22:09, skipping insertion in model container [2020-08-18 20:22:09,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:22:09" (3/3) ... [2020-08-18 20:22:09,694 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label17.c [2020-08-18 20:22:09,705 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 20:22:09,713 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 20:22:09,728 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 20:22:09,755 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 20:22:09,756 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 20:22:09,756 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 20:22:09,756 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 20:22:09,756 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 20:22:09,756 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 20:22:09,757 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 20:22:09,757 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 20:22:09,781 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-18 20:22:09,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-08-18 20:22:09,790 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:22:09,791 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] [2020-08-18 20:22:09,791 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:22:09,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:22:09,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1025349313, now seen corresponding path program 1 times [2020-08-18 20:22:09,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:22:09,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [376605846] [2020-08-18 20:22:09,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:22:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:10,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:22:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:10,164 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 20:22:10,165 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [376605846] [2020-08-18 20:22:10,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:22:10,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 20:22:10,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589056054] [2020-08-18 20:22:10,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 20:22:10,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:22:10,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 20:22:10,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 20:22:10,192 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-08-18 20:22:11,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:22:11,654 INFO L93 Difference]: Finished difference Result 596 states and 1021 transitions. [2020-08-18 20:22:11,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 20:22:11,657 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-08-18 20:22:11,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:22:11,687 INFO L225 Difference]: With dead ends: 596 [2020-08-18 20:22:11,688 INFO L226 Difference]: Without dead ends: 302 [2020-08-18 20:22:11,703 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 20:22:11,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-08-18 20:22:11,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-08-18 20:22:11,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-08-18 20:22:11,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 430 transitions. [2020-08-18 20:22:11,825 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 430 transitions. Word has length 36 [2020-08-18 20:22:11,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:22:11,828 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 430 transitions. [2020-08-18 20:22:11,828 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 20:22:11,828 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 430 transitions. [2020-08-18 20:22:11,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-18 20:22:11,847 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:22:11,847 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:11,848 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 20:22:11,850 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:22:11,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:22:11,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1168948250, now seen corresponding path program 1 times [2020-08-18 20:22:11,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:22:11,852 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [404541988] [2020-08-18 20:22:11,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:22:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:12,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:22:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:12,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:22:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:12,167 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:22:12,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [404541988] [2020-08-18 20:22:12,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:22:12,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 20:22:12,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095951830] [2020-08-18 20:22:12,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 20:22:12,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:22:12,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 20:22:12,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:22:12,171 INFO L87 Difference]: Start difference. First operand 298 states and 430 transitions. Second operand 8 states. [2020-08-18 20:22:14,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:22:14,315 INFO L93 Difference]: Finished difference Result 1198 states and 1805 transitions. [2020-08-18 20:22:14,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 20:22:14,315 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 110 [2020-08-18 20:22:14,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:22:14,323 INFO L225 Difference]: With dead ends: 1198 [2020-08-18 20:22:14,324 INFO L226 Difference]: Without dead ends: 906 [2020-08-18 20:22:14,326 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 20:22:14,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2020-08-18 20:22:14,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 894. [2020-08-18 20:22:14,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-08-18 20:22:14,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1231 transitions. [2020-08-18 20:22:14,386 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1231 transitions. Word has length 110 [2020-08-18 20:22:14,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:22:14,387 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1231 transitions. [2020-08-18 20:22:14,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 20:22:14,387 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1231 transitions. [2020-08-18 20:22:14,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-08-18 20:22:14,391 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:22:14,392 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:14,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 20:22:14,392 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:22:14,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:22:14,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1710537437, now seen corresponding path program 1 times [2020-08-18 20:22:14,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:22:14,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [737558192] [2020-08-18 20:22:14,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:22:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:14,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:22:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:14,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:22:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:14,557 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:22:14,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [737558192] [2020-08-18 20:22:14,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:22:14,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 20:22:14,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750368940] [2020-08-18 20:22:14,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 20:22:14,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:22:14,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 20:22:14,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 20:22:14,560 INFO L87 Difference]: Start difference. First operand 894 states and 1231 transitions. Second operand 5 states. [2020-08-18 20:22:15,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:22:15,809 INFO L93 Difference]: Finished difference Result 2080 states and 2930 transitions. [2020-08-18 20:22:15,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 20:22:15,813 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 115 [2020-08-18 20:22:15,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:22:15,821 INFO L225 Difference]: With dead ends: 2080 [2020-08-18 20:22:15,821 INFO L226 Difference]: Without dead ends: 1192 [2020-08-18 20:22:15,824 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 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 20:22:15,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2020-08-18 20:22:15,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1188. [2020-08-18 20:22:15,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1188 states. [2020-08-18 20:22:15,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 1188 states and 1611 transitions. [2020-08-18 20:22:15,869 INFO L78 Accepts]: Start accepts. Automaton has 1188 states and 1611 transitions. Word has length 115 [2020-08-18 20:22:15,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:22:15,870 INFO L479 AbstractCegarLoop]: Abstraction has 1188 states and 1611 transitions. [2020-08-18 20:22:15,870 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 20:22:15,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1611 transitions. [2020-08-18 20:22:15,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-08-18 20:22:15,874 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:22:15,875 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:15,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 20:22:15,875 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:22:15,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:22:15,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1140420541, now seen corresponding path program 1 times [2020-08-18 20:22:15,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:22:15,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1042002087] [2020-08-18 20:22:15,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:22:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:15,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:22:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:15,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:22:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:16,058 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:22:16,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1042002087] [2020-08-18 20:22:16,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:22:16,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 20:22:16,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750920634] [2020-08-18 20:22:16,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 20:22:16,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:22:16,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 20:22:16,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:22:16,061 INFO L87 Difference]: Start difference. First operand 1188 states and 1611 transitions. Second operand 8 states. [2020-08-18 20:22:17,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:22:17,622 INFO L93 Difference]: Finished difference Result 3008 states and 4225 transitions. [2020-08-18 20:22:17,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 20:22:17,623 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 131 [2020-08-18 20:22:17,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:22:17,639 INFO L225 Difference]: With dead ends: 3008 [2020-08-18 20:22:17,640 INFO L226 Difference]: Without dead ends: 1826 [2020-08-18 20:22:17,646 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 20:22:17,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1826 states. [2020-08-18 20:22:17,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1826 to 1639. [2020-08-18 20:22:17,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1639 states. [2020-08-18 20:22:17,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1639 states and 2053 transitions. [2020-08-18 20:22:17,724 INFO L78 Accepts]: Start accepts. Automaton has 1639 states and 2053 transitions. Word has length 131 [2020-08-18 20:22:17,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:22:17,725 INFO L479 AbstractCegarLoop]: Abstraction has 1639 states and 2053 transitions. [2020-08-18 20:22:17,725 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 20:22:17,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 2053 transitions. [2020-08-18 20:22:17,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-08-18 20:22:17,728 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:22:17,728 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:17,729 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 20:22:17,729 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:22:17,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:22:17,730 INFO L82 PathProgramCache]: Analyzing trace with hash 686602382, now seen corresponding path program 1 times [2020-08-18 20:22:17,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:22:17,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [486658918] [2020-08-18 20:22:17,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:22:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:17,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:22:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:17,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:22:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:18,033 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:22:18,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [486658918] [2020-08-18 20:22:18,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:22:18,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 20:22:18,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102309182] [2020-08-18 20:22:18,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 20:22:18,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:22:18,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 20:22:18,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 20:22:18,036 INFO L87 Difference]: Start difference. First operand 1639 states and 2053 transitions. Second operand 7 states. [2020-08-18 20:22:19,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:22:19,302 INFO L93 Difference]: Finished difference Result 3451 states and 4324 transitions. [2020-08-18 20:22:19,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 20:22:19,304 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 132 [2020-08-18 20:22:19,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:22:19,314 INFO L225 Difference]: With dead ends: 3451 [2020-08-18 20:22:19,314 INFO L226 Difference]: Without dead ends: 1818 [2020-08-18 20:22:19,319 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-18 20:22:19,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1818 states. [2020-08-18 20:22:19,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1818 to 1800. [2020-08-18 20:22:19,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1800 states. [2020-08-18 20:22:19,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1800 states and 2236 transitions. [2020-08-18 20:22:19,406 INFO L78 Accepts]: Start accepts. Automaton has 1800 states and 2236 transitions. Word has length 132 [2020-08-18 20:22:19,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:22:19,407 INFO L479 AbstractCegarLoop]: Abstraction has 1800 states and 2236 transitions. [2020-08-18 20:22:19,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 20:22:19,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2236 transitions. [2020-08-18 20:22:19,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-08-18 20:22:19,411 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:22:19,411 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-18 20:22:19,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 20:22:19,412 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:22:19,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:22:19,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1425937487, now seen corresponding path program 1 times [2020-08-18 20:22:19,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:22:19,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1596803781] [2020-08-18 20:22:19,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:22:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:19,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:22:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:19,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:22:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:19,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-18 20:22:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:19,704 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 50 proven. 8 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-08-18 20:22:19,704 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1596803781] [2020-08-18 20:22:19,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:22:19,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 20:22:19,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991545743] [2020-08-18 20:22:19,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 20:22:19,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:22:19,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 20:22:19,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-18 20:22:19,707 INFO L87 Difference]: Start difference. First operand 1800 states and 2236 transitions. Second operand 7 states. [2020-08-18 20:22:21,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:22:21,646 INFO L93 Difference]: Finished difference Result 2825 states and 3612 transitions. [2020-08-18 20:22:21,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 20:22:21,654 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 202 [2020-08-18 20:22:21,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:22:21,672 INFO L225 Difference]: With dead ends: 2825 [2020-08-18 20:22:21,673 INFO L226 Difference]: Without dead ends: 2823 [2020-08-18 20:22:21,675 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 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 20:22:21,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2823 states. [2020-08-18 20:22:21,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2823 to 1951. [2020-08-18 20:22:21,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1951 states. [2020-08-18 20:22:21,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1951 states and 2467 transitions. [2020-08-18 20:22:21,743 INFO L78 Accepts]: Start accepts. Automaton has 1951 states and 2467 transitions. Word has length 202 [2020-08-18 20:22:21,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:22:21,743 INFO L479 AbstractCegarLoop]: Abstraction has 1951 states and 2467 transitions. [2020-08-18 20:22:21,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 20:22:21,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2467 transitions. [2020-08-18 20:22:21,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-08-18 20:22:21,750 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:22:21,750 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-18 20:22:21,750 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 20:22:21,751 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:22:21,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:22:21,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1497549686, now seen corresponding path program 1 times [2020-08-18 20:22:21,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:22:21,752 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1714548235] [2020-08-18 20:22:21,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:22:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:21,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:22:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:21,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 20:22:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:21,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-18 20:22:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:22:22,135 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-08-18 20:22:22,136 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1714548235] [2020-08-18 20:22:22,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:22:22,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 20:22:22,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850240195] [2020-08-18 20:22:22,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 20:22:22,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:22:22,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 20:22:22,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 20:22:22,139 INFO L87 Difference]: Start difference. First operand 1951 states and 2467 transitions. Second operand 5 states. [2020-08-18 20:22:23,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:22:23,560 INFO L93 Difference]: Finished difference Result 3757 states and 4792 transitions. [2020-08-18 20:22:23,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 20:22:23,561 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 225 [2020-08-18 20:22:23,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:22:23,563 INFO L225 Difference]: With dead ends: 3757 [2020-08-18 20:22:23,563 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 20:22:23,576 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 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 20:22:23,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 20:22:23,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 20:22:23,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 20:22:23,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 20:22:23,578 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 225 [2020-08-18 20:22:23,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:22:23,578 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 20:22:23,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 20:22:23,579 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 20:22:23,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 20:22:23,579 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 20:22:23,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 20:22:24,266 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 35 [2020-08-18 20:22:24,409 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-08-18 20:22:24,521 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-08-18 20:22:24,525 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:22:24,526 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 20:22:24,526 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:22:24,526 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-18 20:22:24,526 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,526 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,526 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,527 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,527 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,527 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,527 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-18 20:22:24,527 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-18 20:22:24,527 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-18 20:22:24,527 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-18 20:22:24,527 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-18 20:22:24,528 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-18 20:22:24,528 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-18 20:22:24,528 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-18 20:22:24,528 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-18 20:22:24,528 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-18 20:22:24,528 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-18 20:22:24,529 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,529 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,529 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,529 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,529 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,529 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-18 20:22:24,529 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-18 20:22:24,530 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-18 20:22:24,530 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-18 20:22:24,530 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-18 20:22:24,530 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-18 20:22:24,530 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-18 20:22:24,530 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-18 20:22:24,530 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-18 20:22:24,531 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-18 20:22:24,531 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-18 20:22:24,531 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-18 20:22:24,531 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-18 20:22:24,531 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 94) no Hoare annotation was computed. [2020-08-18 20:22:24,531 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-18 20:22:24,531 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,532 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,532 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,532 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,532 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,532 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-18 20:22:24,532 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 20:22:24,532 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-18 20:22:24,533 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-18 20:22:24,533 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-18 20:22:24,533 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-18 20:22:24,533 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-18 20:22:24,533 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-18 20:22:24,533 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-18 20:22:24,533 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-18 20:22:24,534 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,534 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,534 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,534 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,534 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,534 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-18 20:22:24,534 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-18 20:22:24,535 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-18 20:22:24,535 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-18 20:22:24,535 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-18 20:22:24,535 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-18 20:22:24,535 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-18 20:22:24,535 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-18 20:22:24,535 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-18 20:22:24,535 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-18 20:22:24,536 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-18 20:22:24,536 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-18 20:22:24,536 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-18 20:22:24,536 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,536 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,536 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,536 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,536 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,537 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-18 20:22:24,537 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-18 20:22:24,537 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-18 20:22:24,537 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-18 20:22:24,537 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-18 20:22:24,537 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-18 20:22:24,537 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-18 20:22:24,538 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-18 20:22:24,538 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-18 20:22:24,538 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,538 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,538 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,538 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,538 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,539 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,539 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,539 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-18 20:22:24,539 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-18 20:22:24,539 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-18 20:22:24,539 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-18 20:22:24,539 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-18 20:22:24,539 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-18 20:22:24,540 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 20:22:24,540 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-18 20:22:24,540 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-18 20:22:24,540 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-18 20:22:24,540 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-18 20:22:24,540 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-18 20:22:24,540 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-18 20:22:24,540 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,541 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,541 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,541 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,541 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-18 20:22:24,541 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,541 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,541 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-18 20:22:24,541 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-18 20:22:24,542 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-18 20:22:24,542 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-18 20:22:24,542 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-18 20:22:24,542 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-18 20:22:24,542 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-18 20:22:24,542 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-18 20:22:24,542 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-18 20:22:24,543 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-18 20:22:24,543 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-18 20:22:24,543 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-18 20:22:24,543 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-18 20:22:24,543 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,543 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,543 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,543 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,544 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,544 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,544 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-18 20:22:24,544 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-18 20:22:24,544 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-18 20:22:24,544 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-18 20:22:24,544 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-18 20:22:24,545 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-18 20:22:24,545 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 20:22:24,545 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-18 20:22:24,545 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-18 20:22:24,545 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-18 20:22:24,545 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-18 20:22:24,546 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (= 6 |old(~a19~0)|)) (.cse1 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse2 (not (<= |old(~a19~0)| 9)))) (and (or .cse0 .cse1 .cse2) (or (not (<= |old(~a10~0)| 0)) .cse1) (or .cse1 (not (<= |old(~a1~0)| 23)) .cse2) (or .cse0 .cse1 (not (= |old(~a10~0)| 1))) (or (not (= 3 |old(~a10~0)|)) .cse1 .cse2))) [2020-08-18 20:22:24,546 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-18 20:22:24,546 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-18 20:22:24,546 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-18 20:22:24,546 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,546 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,546 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,547 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,547 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,547 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,547 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-18 20:22:24,547 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 20:22:24,547 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-18 20:22:24,547 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-18 20:22:24,548 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-18 20:22:24,548 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-18 20:22:24,548 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-18 20:22:24,548 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-18 20:22:24,548 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-18 20:22:24,548 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-18 20:22:24,548 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-18 20:22:24,549 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-18 20:22:24,549 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-18 20:22:24,549 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,549 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,549 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,549 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,549 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,549 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,550 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-18 20:22:24,550 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-18 20:22:24,550 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-18 20:22:24,550 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-18 20:22:24,550 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-18 20:22:24,550 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-18 20:22:24,550 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-18 20:22:24,550 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-18 20:22:24,551 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-18 20:22:24,551 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-18 20:22:24,551 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-18 20:22:24,551 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-18 20:22:24,551 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,551 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,551 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,551 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,552 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,552 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 20:22:24,552 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-18 20:22:24,552 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-18 20:22:24,552 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-18 20:22:24,552 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-18 20:22:24,552 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-18 20:22:24,553 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-18 20:22:24,553 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-18 20:22:24,553 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-18 20:22:24,553 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-18 20:22:24,553 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-18 20:22:24,553 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-18 20:22:24,553 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-18 20:22:24,553 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:22:24,554 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 20:22:24,554 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 20:22:24,554 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:22:24,554 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 20:22:24,554 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-18 20:22:24,555 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (not (= ~a19~0 6))) (.cse0 (<= ~a19~0 9))) (or (not (<= 23 |old(~a1~0)|)) (<= ~a10~0 0) (and .cse0 (<= ~a1~0 23)) (not (<= |old(~a10~0)| 0)) (and (= ~a10~0 3) .cse0) (and (= ~a10~0 1) .cse1) (and .cse1 .cse0) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (= ~a12~0 0)))) [2020-08-18 20:22:24,555 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-18 20:22:24,555 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-18 20:22:24,555 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (not (= ~a19~0 6))) (.cse0 (<= ~a19~0 9))) (or (not (<= 23 |old(~a1~0)|)) (<= ~a10~0 0) (and .cse0 (<= ~a1~0 23)) (not (<= |old(~a10~0)| 0)) (and (= ~a10~0 3) .cse0) (and (= ~a10~0 1) .cse1) (and .cse1 .cse0) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (= ~a12~0 0)))) [2020-08-18 20:22:24,555 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-18 20:22:24,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 08:22:24 BoogieIcfgContainer [2020-08-18 20:22:24,576 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 20:22:24,578 INFO L168 Benchmark]: Toolchain (without parser) took 17067.19 ms. Allocated memory was 140.5 MB in the beginning and 469.2 MB in the end (delta: 328.7 MB). Free memory was 102.2 MB in the beginning and 400.2 MB in the end (delta: -298.0 MB). Peak memory consumption was 287.1 MB. Max. memory is 7.1 GB. [2020-08-18 20:22:24,579 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 20:22:24,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 792.05 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 102.0 MB in the beginning and 171.5 MB in the end (delta: -69.5 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2020-08-18 20:22:24,581 INFO L168 Benchmark]: Boogie Preprocessor took 107.50 ms. Allocated memory is still 205.5 MB. Free memory was 171.5 MB in the beginning and 166.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-08-18 20:22:24,582 INFO L168 Benchmark]: RCFGBuilder took 1269.03 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 166.6 MB in the beginning and 181.0 MB in the end (delta: -14.4 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. [2020-08-18 20:22:24,583 INFO L168 Benchmark]: TraceAbstraction took 14890.36 ms. Allocated memory was 238.6 MB in the beginning and 469.2 MB in the end (delta: 230.7 MB). Free memory was 181.0 MB in the beginning and 400.2 MB in the end (delta: -219.2 MB). Peak memory consumption was 267.8 MB. Max. memory is 7.1 GB. [2020-08-18 20:22:24,587 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 792.05 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 102.0 MB in the beginning and 171.5 MB in the end (delta: -69.5 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.50 ms. Allocated memory is still 205.5 MB. Free memory was 171.5 MB in the beginning and 166.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1269.03 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 166.6 MB in the beginning and 181.0 MB in the end (delta: -14.4 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14890.36 ms. Allocated memory was 238.6 MB in the beginning and 469.2 MB in the end (delta: 230.7 MB). Free memory was 181.0 MB in the beginning and 400.2 MB in the end (delta: -219.2 MB). Peak memory consumption was 267.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 94]: 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)) || a10 <= 0) || (a19 <= 9 && a1 <= 23)) || !(\old(a10) <= 0)) || (a10 == 3 && a19 <= 9)) || (a10 == 1 && !(a19 == 6))) || (!(a19 == 6) && a19 <= 9)) || !(9 == \old(a19))) || !(\old(a1) <= 23)) || !(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: 13.8s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 174 SDtfs, 3789 SDslu, 233 SDs, 0 SdLazy, 5925 SolverSat, 917 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1951occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 1097 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 59 PreInvPairs, 85 NumberOfFragments, 295 HoareAnnotationTreeSize, 59 FomulaSimplifications, 8790 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1109 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 951 NumberOfCodeBlocks, 951 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 944 ConstructedInterpolants, 0 QuantifiedInterpolants, 327901 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 361/372 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...