/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.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 05:59:56,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 05:59:56,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 05:59:56,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-20 05:59:56,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 05:59:56,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 05:59:56,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 05:59:56,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 05:59:56,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 05:59:56,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 05:59:56,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 05:59:56,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 05:59:56,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 05:59:56,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 05:59:56,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 05:59:56,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 05:59:56,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 05:59:56,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 05:59:56,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 05:59:56,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 05:59:56,770 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 05:59:56,805 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 05:59:56,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 05:59:56,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 05:59:56,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 05:59:56,810 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 05:59:56,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 05:59:56,811 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 05:59:56,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 05:59:56,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 05:59:56,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 05:59:56,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 05:59:56,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 05:59:56,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 05:59:56,812 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 05:59:56,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 05:59:56,813 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 05:59:56,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 05:59:56,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 05:59:56,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 05:59:56,814 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 05:59:56,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 05:59:56,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 05:59:56,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 05:59:56,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 05:59:56,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 05:59:56,816 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 05:59:56,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 05:59:56,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 05:59:56,817 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 05:59:56,817 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 05:59:57,081 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 05:59:57,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 05:59:57,100 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 05:59:57,104 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 05:59:57,106 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 05:59:57,108 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label21.c [2020-07-20 05:59:57,171 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6adadb17a/6ad9dff838ed44efb36deaecd067769f/FLAGb19b02230 [2020-07-20 05:59:57,761 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 05:59:57,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label21.c [2020-07-20 05:59:57,775 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6adadb17a/6ad9dff838ed44efb36deaecd067769f/FLAGb19b02230 [2020-07-20 05:59:58,019 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6adadb17a/6ad9dff838ed44efb36deaecd067769f [2020-07-20 05:59:58,027 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 05:59:58,030 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 05:59:58,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 05:59:58,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 05:59:58,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 05:59:58,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:59:58" (1/1) ... [2020-07-20 05:59:58,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a79ccb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:59:58, skipping insertion in model container [2020-07-20 05:59:58,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:59:58" (1/1) ... [2020-07-20 05:59:58,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 05:59:58,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 05:59:58,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:59:58,689 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 05:59:58,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:59:58,844 INFO L208 MainTranslator]: Completed translation [2020-07-20 05:59:58,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:59:58 WrapperNode [2020-07-20 05:59:58,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 05:59:58,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 05:59:58,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 05:59:58,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 05:59:58,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:59:58" (1/1) ... [2020-07-20 05:59:58,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:59:58" (1/1) ... [2020-07-20 05:59:58,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:59:58" (1/1) ... [2020-07-20 05:59:58,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:59:58" (1/1) ... [2020-07-20 05:59:58,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:59:58" (1/1) ... [2020-07-20 05:59:58,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:59:58" (1/1) ... [2020-07-20 05:59:58,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:59:58" (1/1) ... [2020-07-20 05:59:58,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 05:59:58,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 05:59:58,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 05:59:58,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 05:59:58,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:59:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-20 05:59:59,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 05:59:59,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 05:59:59,060 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 05:59:59,060 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 05:59:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 05:59:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 05:59:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 05:59:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 05:59:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 05:59:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 05:59:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 06:00:00,416 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 06:00:00,416 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 06:00:00,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 06:00:00 BoogieIcfgContainer [2020-07-20 06:00:00,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 06:00:00,425 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 06:00:00,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 06:00:00,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 06:00:00,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:59:58" (1/3) ... [2020-07-20 06:00:00,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b44075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 06:00:00, skipping insertion in model container [2020-07-20 06:00:00,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:59:58" (2/3) ... [2020-07-20 06:00:00,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b44075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 06:00:00, skipping insertion in model container [2020-07-20 06:00:00,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 06:00:00" (3/3) ... [2020-07-20 06:00:00,432 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label21.c [2020-07-20 06:00:00,445 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 06:00:00,454 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 06:00:00,471 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 06:00:00,498 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 06:00:00,498 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 06:00:00,498 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 06:00:00,498 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 06:00:00,499 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 06:00:00,499 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 06:00:00,499 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 06:00:00,499 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 06:00:00,523 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-07-20 06:00:00,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-20 06:00:00,530 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 06:00:00,532 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] [2020-07-20 06:00:00,532 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 06:00:00,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 06:00:00,539 INFO L82 PathProgramCache]: Analyzing trace with hash -736368013, now seen corresponding path program 1 times [2020-07-20 06:00:00,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 06:00:00,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458032736] [2020-07-20 06:00:00,550 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6eb27035 [2020-07-20 06:00:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:00,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 06:00:00,920 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458032736] [2020-07-20 06:00:00,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 06:00:00,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 06:00:00,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197029893] [2020-07-20 06:00:00,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 06:00:00,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 06:00:00,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 06:00:00,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 06:00:00,954 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-07-20 06:00:03,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 06:00:03,608 INFO L93 Difference]: Finished difference Result 886 states and 1613 transitions. [2020-07-20 06:00:03,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 06:00:03,614 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-07-20 06:00:03,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 06:00:03,658 INFO L225 Difference]: With dead ends: 886 [2020-07-20 06:00:03,659 INFO L226 Difference]: Without dead ends: 564 [2020-07-20 06:00:03,675 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 06:00:03,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-07-20 06:00:03,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-07-20 06:00:03,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-07-20 06:00:03,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 906 transitions. [2020-07-20 06:00:03,828 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 906 transitions. Word has length 40 [2020-07-20 06:00:03,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 06:00:03,829 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 906 transitions. [2020-07-20 06:00:03,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 06:00:03,830 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 906 transitions. [2020-07-20 06:00:03,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-07-20 06:00:03,847 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 06:00:03,847 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, 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] [2020-07-20 06:00:03,848 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 06:00:03,848 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 06:00:03,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 06:00:03,848 INFO L82 PathProgramCache]: Analyzing trace with hash 769181710, now seen corresponding path program 1 times [2020-07-20 06:00:03,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 06:00:03,849 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755446980] [2020-07-20 06:00:03,850 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6eb27035 [2020-07-20 06:00:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:04,196 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 06:00:04,196 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755446980] [2020-07-20 06:00:04,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 06:00:04,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 06:00:04,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778431151] [2020-07-20 06:00:04,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 06:00:04,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 06:00:04,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 06:00:04,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 06:00:04,200 INFO L87 Difference]: Start difference. First operand 558 states and 906 transitions. Second operand 8 states. [2020-07-20 06:00:06,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 06:00:06,131 INFO L93 Difference]: Finished difference Result 1320 states and 2174 transitions. [2020-07-20 06:00:06,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 06:00:06,133 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 114 [2020-07-20 06:00:06,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 06:00:06,145 INFO L225 Difference]: With dead ends: 1320 [2020-07-20 06:00:06,145 INFO L226 Difference]: Without dead ends: 768 [2020-07-20 06:00:06,148 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 [2020-07-20 06:00:06,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2020-07-20 06:00:06,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 566. [2020-07-20 06:00:06,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2020-07-20 06:00:06,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 819 transitions. [2020-07-20 06:00:06,176 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 819 transitions. Word has length 114 [2020-07-20 06:00:06,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 06:00:06,177 INFO L479 AbstractCegarLoop]: Abstraction has 566 states and 819 transitions. [2020-07-20 06:00:06,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 06:00:06,177 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 819 transitions. [2020-07-20 06:00:06,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-20 06:00:06,181 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 06:00:06,181 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 06:00:06,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 06:00:06,181 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 06:00:06,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 06:00:06,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1466730177, now seen corresponding path program 1 times [2020-07-20 06:00:06,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 06:00:06,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991574632] [2020-07-20 06:00:06,183 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6eb27035 [2020-07-20 06:00:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:06,448 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 06:00:06,449 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991574632] [2020-07-20 06:00:06,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 06:00:06,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 06:00:06,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497679698] [2020-07-20 06:00:06,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 06:00:06,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 06:00:06,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 06:00:06,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 06:00:06,451 INFO L87 Difference]: Start difference. First operand 566 states and 819 transitions. Second operand 8 states. [2020-07-20 06:00:08,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 06:00:08,780 INFO L93 Difference]: Finished difference Result 1518 states and 2185 transitions. [2020-07-20 06:00:08,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 06:00:08,780 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 123 [2020-07-20 06:00:08,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 06:00:08,787 INFO L225 Difference]: With dead ends: 1518 [2020-07-20 06:00:08,787 INFO L226 Difference]: Without dead ends: 958 [2020-07-20 06:00:08,789 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-20 06:00:08,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2020-07-20 06:00:08,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 752. [2020-07-20 06:00:08,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2020-07-20 06:00:08,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1026 transitions. [2020-07-20 06:00:08,816 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1026 transitions. Word has length 123 [2020-07-20 06:00:08,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 06:00:08,817 INFO L479 AbstractCegarLoop]: Abstraction has 752 states and 1026 transitions. [2020-07-20 06:00:08,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 06:00:08,817 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1026 transitions. [2020-07-20 06:00:08,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-07-20 06:00:08,820 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 06:00:08,820 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 06:00:08,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 06:00:08,821 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 06:00:08,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 06:00:08,821 INFO L82 PathProgramCache]: Analyzing trace with hash 871588671, now seen corresponding path program 1 times [2020-07-20 06:00:08,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 06:00:08,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2168377] [2020-07-20 06:00:08,822 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6eb27035 [2020-07-20 06:00:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:09,134 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 66 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 06:00:09,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2168377] [2020-07-20 06:00:09,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653162824] [2020-07-20 06:00:09,135 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3d457da6 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 06:00:09,309 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3d457da6 issued 4 check-sat command(s) [2020-07-20 06:00:09,310 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 06:00:09,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 06:00:09,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 06:00:09,495 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-07-20 06:00:09,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 06:00:09,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-07-20 06:00:09,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567947398] [2020-07-20 06:00:09,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 06:00:09,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 06:00:09,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 06:00:09,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-20 06:00:09,499 INFO L87 Difference]: Start difference. First operand 752 states and 1026 transitions. Second operand 3 states. [2020-07-20 06:00:10,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 06:00:10,460 INFO L93 Difference]: Finished difference Result 2232 states and 3090 transitions. [2020-07-20 06:00:10,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 06:00:10,463 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2020-07-20 06:00:10,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 06:00:10,478 INFO L225 Difference]: With dead ends: 2232 [2020-07-20 06:00:10,479 INFO L226 Difference]: Without dead ends: 1486 [2020-07-20 06:00:10,482 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-20 06:00:10,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2020-07-20 06:00:10,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1304. [2020-07-20 06:00:10,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1304 states. [2020-07-20 06:00:10,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 1692 transitions. [2020-07-20 06:00:10,548 INFO L78 Accepts]: Start accepts. Automaton has 1304 states and 1692 transitions. Word has length 196 [2020-07-20 06:00:10,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 06:00:10,549 INFO L479 AbstractCegarLoop]: Abstraction has 1304 states and 1692 transitions. [2020-07-20 06:00:10,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 06:00:10,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 1692 transitions. [2020-07-20 06:00:10,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-07-20 06:00:10,556 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 06:00:10,557 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 06:00:10,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 06:00:10,771 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 06:00:10,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 06:00:10,772 INFO L82 PathProgramCache]: Analyzing trace with hash 104519423, now seen corresponding path program 1 times [2020-07-20 06:00:10,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 06:00:10,773 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91593130] [2020-07-20 06:00:10,773 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6eb27035 [2020-07-20 06:00:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:11,219 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 99 proven. 136 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-07-20 06:00:11,220 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91593130] [2020-07-20 06:00:11,220 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158624238] [2020-07-20 06:00:11,220 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@39dbd38f No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 06:00:11,393 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@39dbd38f issued 4 check-sat command(s) [2020-07-20 06:00:11,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 06:00:11,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 06:00:11,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 06:00:11,531 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2020-07-20 06:00:11,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 06:00:11,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-07-20 06:00:11,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305420821] [2020-07-20 06:00:11,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 06:00:11,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 06:00:11,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 06:00:11,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-20 06:00:11,534 INFO L87 Difference]: Start difference. First operand 1304 states and 1692 transitions. Second operand 3 states. [2020-07-20 06:00:12,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 06:00:12,478 INFO L93 Difference]: Finished difference Result 3340 states and 4448 transitions. [2020-07-20 06:00:12,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 06:00:12,480 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 299 [2020-07-20 06:00:12,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 06:00:12,490 INFO L225 Difference]: With dead ends: 3340 [2020-07-20 06:00:12,490 INFO L226 Difference]: Without dead ends: 2042 [2020-07-20 06:00:12,494 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-20 06:00:12,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2042 states. [2020-07-20 06:00:12,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2042 to 1858. [2020-07-20 06:00:12,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1858 states. [2020-07-20 06:00:12,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1858 states and 2367 transitions. [2020-07-20 06:00:12,550 INFO L78 Accepts]: Start accepts. Automaton has 1858 states and 2367 transitions. Word has length 299 [2020-07-20 06:00:12,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 06:00:12,551 INFO L479 AbstractCegarLoop]: Abstraction has 1858 states and 2367 transitions. [2020-07-20 06:00:12,551 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 06:00:12,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 2367 transitions. [2020-07-20 06:00:12,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-07-20 06:00:12,558 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 06:00:12,558 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 06:00:12,772 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 06:00:12,773 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 06:00:12,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 06:00:12,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1386256083, now seen corresponding path program 1 times [2020-07-20 06:00:12,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 06:00:12,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822965481] [2020-07-20 06:00:12,775 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6eb27035 [2020-07-20 06:00:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:13,248 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 99 proven. 136 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-07-20 06:00:13,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822965481] [2020-07-20 06:00:13,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232161548] [2020-07-20 06:00:13,249 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6d76a7c1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 06:00:13,407 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6d76a7c1 issued 4 check-sat command(s) [2020-07-20 06:00:13,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 06:00:13,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 06:00:13,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 06:00:13,502 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-07-20 06:00:13,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 06:00:13,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-07-20 06:00:13,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897529027] [2020-07-20 06:00:13,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 06:00:13,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 06:00:13,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 06:00:13,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-20 06:00:13,506 INFO L87 Difference]: Start difference. First operand 1858 states and 2367 transitions. Second operand 3 states. [2020-07-20 06:00:14,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 06:00:14,482 INFO L93 Difference]: Finished difference Result 3900 states and 5198 transitions. [2020-07-20 06:00:14,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 06:00:14,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 305 [2020-07-20 06:00:14,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 06:00:14,503 INFO L225 Difference]: With dead ends: 3900 [2020-07-20 06:00:14,504 INFO L226 Difference]: Without dead ends: 2412 [2020-07-20 06:00:14,508 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-20 06:00:14,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2412 states. [2020-07-20 06:00:14,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2412 to 2228. [2020-07-20 06:00:14,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2228 states. [2020-07-20 06:00:14,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 2902 transitions. [2020-07-20 06:00:14,572 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 2902 transitions. Word has length 305 [2020-07-20 06:00:14,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 06:00:14,573 INFO L479 AbstractCegarLoop]: Abstraction has 2228 states and 2902 transitions. [2020-07-20 06:00:14,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 06:00:14,573 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 2902 transitions. [2020-07-20 06:00:14,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-07-20 06:00:14,581 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 06:00:14,582 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 06:00:14,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 06:00:14,795 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 06:00:14,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 06:00:14,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1050948947, now seen corresponding path program 1 times [2020-07-20 06:00:14,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 06:00:14,796 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512096684] [2020-07-20 06:00:14,796 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6eb27035 [2020-07-20 06:00:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 06:00:15,302 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 99 proven. 136 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-07-20 06:00:15,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512096684] [2020-07-20 06:00:15,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485391978] [2020-07-20 06:00:15,304 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3b1c5146 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 06:00:15,635 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3b1c5146 issued 4 check-sat command(s) [2020-07-20 06:00:15,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 06:00:15,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 06:00:15,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 06:00:15,830 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2020-07-20 06:00:15,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 06:00:15,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-07-20 06:00:15,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939298828] [2020-07-20 06:00:15,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 06:00:15,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 06:00:15,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 06:00:15,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-20 06:00:15,836 INFO L87 Difference]: Start difference. First operand 2228 states and 2902 transitions. Second operand 3 states. [2020-07-20 06:00:16,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 06:00:16,876 INFO L93 Difference]: Finished difference Result 5190 states and 6970 transitions. [2020-07-20 06:00:16,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 06:00:16,877 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 337 [2020-07-20 06:00:16,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 06:00:16,878 INFO L225 Difference]: With dead ends: 5190 [2020-07-20 06:00:16,878 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 06:00:16,889 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 340 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-20 06:00:16,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 06:00:16,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 06:00:16,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 06:00:16,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 06:00:16,890 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 337 [2020-07-20 06:00:16,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 06:00:16,890 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 06:00:16,890 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 06:00:16,890 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 06:00:16,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 06:00:17,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 06:00:17,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 06:00:17,903 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 28 [2020-07-20 06:00:18,004 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 06:00:18,005 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a24~0 |old(~a24~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-07-20 06:00:18,005 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 06:00:18,005 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-07-20 06:00:18,005 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-07-20 06:00:18,005 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,005 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,005 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,006 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-07-20 06:00:18,006 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-20 06:00:18,006 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-20 06:00:18,006 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-20 06:00:18,006 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-07-20 06:00:18,006 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-07-20 06:00:18,007 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-07-20 06:00:18,008 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-07-20 06:00:18,008 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,008 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,008 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,008 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-07-20 06:00:18,008 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-07-20 06:00:18,008 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-20 06:00:18,008 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-20 06:00:18,009 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-20 06:00:18,009 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-07-20 06:00:18,009 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-07-20 06:00:18,011 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-07-20 06:00:18,011 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,011 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,012 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,012 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-07-20 06:00:18,012 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 06:00:18,012 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-20 06:00:18,012 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-20 06:00:18,012 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-07-20 06:00:18,012 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-07-20 06:00:18,012 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-07-20 06:00:18,013 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-07-20 06:00:18,013 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-07-20 06:00:18,020 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,021 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,021 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,021 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-07-20 06:00:18,021 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-20 06:00:18,021 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-20 06:00:18,021 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-20 06:00:18,021 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-07-20 06:00:18,022 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-07-20 06:00:18,022 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-07-20 06:00:18,022 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,022 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,022 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,022 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-07-20 06:00:18,022 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-20 06:00:18,022 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-20 06:00:18,023 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-20 06:00:18,023 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-07-20 06:00:18,023 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-07-20 06:00:18,023 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-07-20 06:00:18,023 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-07-20 06:00:18,023 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-07-20 06:00:18,023 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,026 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,026 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,027 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,027 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-07-20 06:00:18,027 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 06:00:18,027 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 06:00:18,027 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-20 06:00:18,027 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-07-20 06:00:18,027 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-07-20 06:00:18,027 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-07-20 06:00:18,027 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-07-20 06:00:18,028 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,028 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,028 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,028 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-20 06:00:18,028 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-20 06:00:18,028 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-20 06:00:18,028 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-07-20 06:00:18,028 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-07-20 06:00:18,028 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-07-20 06:00:18,029 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-07-20 06:00:18,029 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-07-20 06:00:18,029 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,029 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,029 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,029 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-07-20 06:00:18,031 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-07-20 06:00:18,031 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 06:00:18,032 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-20 06:00:18,032 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-20 06:00:18,032 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-07-20 06:00:18,032 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|)))) (and (or (not (<= |old(~a21~0)| 6)) .cse0) (or .cse0 (not (<= 9 |old(~a21~0)|))) (or (= 6 |old(~a15~0)|) .cse0) (or .cse0 (not (< 11 |old(~a12~0)|))))) [2020-07-20 06:00:18,032 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-07-20 06:00:18,032 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-07-20 06:00:18,032 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,033 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,033 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,033 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 06:00:18,033 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 06:00:18,033 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-20 06:00:18,034 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-07-20 06:00:18,035 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-07-20 06:00:18,035 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-07-20 06:00:18,035 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-07-20 06:00:18,035 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-07-20 06:00:18,035 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,035 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,035 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,036 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-07-20 06:00:18,036 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-07-20 06:00:18,036 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-20 06:00:18,036 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-20 06:00:18,036 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-20 06:00:18,036 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-07-20 06:00:18,037 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-07-20 06:00:18,037 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-07-20 06:00:18,037 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,037 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,037 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,037 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-07-20 06:00:18,037 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-20 06:00:18,038 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-20 06:00:18,038 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-20 06:00:18,038 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-07-20 06:00:18,038 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-07-20 06:00:18,038 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-07-20 06:00:18,038 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-07-20 06:00:18,038 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,038 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,038 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,039 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-07-20 06:00:18,039 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 06:00:18,039 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-20 06:00:18,039 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-20 06:00:18,039 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-07-20 06:00:18,039 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-07-20 06:00:18,039 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-07-20 06:00:18,040 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-07-20 06:00:18,040 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,040 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,040 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-07-20 06:00:18,040 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-20 06:00:18,040 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-20 06:00:18,040 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-07-20 06:00:18,040 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-07-20 06:00:18,041 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-07-20 06:00:18,041 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-07-20 06:00:18,041 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-07-20 06:00:18,041 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2020-07-20 06:00:18,041 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,041 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,042 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-07-20 06:00:18,042 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-20 06:00:18,042 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-20 06:00:18,042 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-07-20 06:00:18,042 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-07-20 06:00:18,042 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-07-20 06:00:18,042 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,042 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,043 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-07-20 06:00:18,043 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-07-20 06:00:18,043 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-20 06:00:18,043 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-20 06:00:18,043 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-07-20 06:00:18,043 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-07-20 06:00:18,043 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-07-20 06:00:18,043 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-07-20 06:00:18,044 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,044 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,044 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-07-20 06:00:18,044 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-07-20 06:00:18,044 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-20 06:00:18,045 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 06:00:18,045 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-07-20 06:00:18,046 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-07-20 06:00:18,046 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-07-20 06:00:18,046 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,046 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,047 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,047 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-07-20 06:00:18,047 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-07-20 06:00:18,047 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-20 06:00:18,047 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 06:00:18,047 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-07-20 06:00:18,047 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-07-20 06:00:18,047 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,048 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,048 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-20 06:00:18,048 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,048 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-07-20 06:00:18,048 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-07-20 06:00:18,048 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-07-20 06:00:18,048 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-20 06:00:18,049 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 06:00:18,049 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-20 06:00:18,050 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-07-20 06:00:18,050 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-07-20 06:00:18,050 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-07-20 06:00:18,050 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-07-20 06:00:18,050 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,050 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,050 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,050 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-07-20 06:00:18,051 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-20 06:00:18,051 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 06:00:18,051 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-20 06:00:18,051 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-07-20 06:00:18,051 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-07-20 06:00:18,051 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-07-20 06:00:18,051 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-07-20 06:00:18,051 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,051 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,051 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,052 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-07-20 06:00:18,052 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-07-20 06:00:18,052 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-20 06:00:18,052 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-20 06:00:18,052 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-20 06:00:18,052 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-07-20 06:00:18,052 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-07-20 06:00:18,052 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-07-20 06:00:18,052 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,053 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,053 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,053 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-07-20 06:00:18,053 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-20 06:00:18,053 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-20 06:00:18,053 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-20 06:00:18,053 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-07-20 06:00:18,053 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-07-20 06:00:18,053 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-07-20 06:00:18,054 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-07-20 06:00:18,054 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-07-20 06:00:18,054 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,054 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,054 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-07-20 06:00:18,054 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-07-20 06:00:18,054 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-20 06:00:18,054 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-20 06:00:18,054 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-20 06:00:18,055 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-07-20 06:00:18,055 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 06:00:18,055 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= (+ ~a12~0 49) 0) (<= ~a15~0 8) (<= 8 ~a15~0)) [2020-07-20 06:00:18,056 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 06:00:18,056 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 06:00:18,056 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= |old(~a15~0)| 8)) (not (<= 8 |old(~a15~0)|)) (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (<= ~a15~0 8) (= ~a21~0 |old(~a21~0)|) (<= 8 ~a15~0))) [2020-07-20 06:00:18,057 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-07-20 06:00:18,057 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (<= ~a21~0 6) (< 11 ~a12~0) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= |old(~a15~0)| 8)) (not (= 6 ~a15~0)) (<= 9 ~a21~0) (not (<= 8 |old(~a15~0)|))) [2020-07-20 06:00:18,057 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-07-20 06:00:18,057 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-07-20 06:00:18,057 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (<= ~a21~0 6) (< 11 ~a12~0) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= |old(~a15~0)| 8)) (not (= 6 ~a15~0)) (<= 9 ~a21~0) (not (<= 8 |old(~a15~0)|))) [2020-07-20 06:00:18,058 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-07-20 06:00:18,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 06:00:18 BoogieIcfgContainer [2020-07-20 06:00:18,085 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 06:00:18,096 INFO L168 Benchmark]: Toolchain (without parser) took 20057.85 ms. Allocated memory was 138.9 MB in the beginning and 551.0 MB in the end (delta: 412.1 MB). Free memory was 101.9 MB in the beginning and 480.3 MB in the end (delta: -378.4 MB). Peak memory consumption was 432.7 MB. Max. memory is 7.1 GB. [2020-07-20 06:00:18,098 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.9 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. [2020-07-20 06:00:18,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 814.09 ms. Allocated memory was 138.9 MB in the beginning and 206.6 MB in the end (delta: 67.6 MB). Free memory was 101.5 MB in the beginning and 169.1 MB in the end (delta: -67.6 MB). Peak memory consumption was 39.2 MB. Max. memory is 7.1 GB. [2020-07-20 06:00:18,101 INFO L168 Benchmark]: Boogie Preprocessor took 143.93 ms. Allocated memory is still 206.6 MB. Free memory was 169.1 MB in the beginning and 163.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2020-07-20 06:00:18,105 INFO L168 Benchmark]: RCFGBuilder took 1433.76 ms. Allocated memory was 206.6 MB in the beginning and 240.6 MB in the end (delta: 34.1 MB). Free memory was 163.3 MB in the beginning and 157.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 78.4 MB. Max. memory is 7.1 GB. [2020-07-20 06:00:18,106 INFO L168 Benchmark]: TraceAbstraction took 17660.30 ms. Allocated memory was 240.6 MB in the beginning and 551.0 MB in the end (delta: 310.4 MB). Free memory was 157.3 MB in the beginning and 480.3 MB in the end (delta: -322.9 MB). Peak memory consumption was 386.4 MB. Max. memory is 7.1 GB. [2020-07-20 06:00:18,114 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.9 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 814.09 ms. Allocated memory was 138.9 MB in the beginning and 206.6 MB in the end (delta: 67.6 MB). Free memory was 101.5 MB in the beginning and 169.1 MB in the end (delta: -67.6 MB). Peak memory consumption was 39.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 143.93 ms. Allocated memory is still 206.6 MB. Free memory was 169.1 MB in the beginning and 163.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1433.76 ms. Allocated memory was 206.6 MB in the beginning and 240.6 MB in the end (delta: 34.1 MB). Free memory was 163.3 MB in the beginning and 157.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 78.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17660.30 ms. Allocated memory was 240.6 MB in the beginning and 551.0 MB in the end (delta: 310.4 MB). Free memory was 157.3 MB in the beginning and 480.3 MB in the end (delta: -322.9 MB). Peak memory consumption was 386.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((((a21 <= 6 || 11 < a12) || !(\old(a12) + 49 <= 0)) || !(\old(a15) <= 8)) || !(6 == a15)) || 9 <= a21) || !(8 <= \old(a15)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.6s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 11.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1251 SDtfs, 3457 SDslu, 179 SDs, 0 SdLazy, 5650 SolverSat, 1526 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1213 GetRequests, 1157 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2228occurred 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: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 964 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 60 PreInvPairs, 96 NumberOfFragments, 203 HoareAnnotationTreeSize, 60 FomulaSimplifications, 9266 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1644 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 2551 NumberOfCodeBlocks, 2551 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 2540 ConstructedInterpolants, 0 QuantifiedInterpolants, 1476417 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1970 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 1834/2310 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...