/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/Problem02_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 05:54:20,537 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-20 05:54:20,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 05:54:20,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 05:54:20,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 05:54:20,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 05:54:20,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 05:54:20,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 05:54:20,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 05:54:20,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 05:54:20,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 05:54:20,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 05:54:20,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 05:54:20,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 05:54:20,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 05:54:20,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 05:54:20,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 05:54:20,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 05:54:20,595 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 05:54:20,612 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 05:54:20,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 05:54:20,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 05:54:20,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 05:54:20,614 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 05:54:20,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 05:54:20,614 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 05:54:20,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 05:54:20,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 05:54:20,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 05:54:20,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 05:54:20,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 05:54:20,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 05:54:20,616 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 05:54:20,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 05:54:20,616 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 05:54:20,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 05:54:20,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 05:54:20,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 05:54:20,617 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 05:54:20,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 05:54:20,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 05:54:20,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 05:54:20,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 05:54:20,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 05:54:20,618 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 05:54:20,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 05:54:20,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 05:54:20,619 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 05:54:20,619 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 05:54:21,007 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 05:54:21,023 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 05:54:21,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 05:54:21,029 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 05:54:21,029 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 05:54:21,030 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label40.c [2020-07-20 05:54:21,096 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/585246292/edd8e0b84c2c4948944ce4746359891f/FLAG52f37adc2 [2020-07-20 05:54:21,698 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 05:54:21,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label40.c [2020-07-20 05:54:21,713 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/585246292/edd8e0b84c2c4948944ce4746359891f/FLAG52f37adc2 [2020-07-20 05:54:21,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/585246292/edd8e0b84c2c4948944ce4746359891f [2020-07-20 05:54:21,962 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 05:54:21,966 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 05:54:21,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 05:54:21,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 05:54:21,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 05:54:21,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:54:21" (1/1) ... [2020-07-20 05:54:21,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2954c7b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:54:21, skipping insertion in model container [2020-07-20 05:54:21,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:54:21" (1/1) ... [2020-07-20 05:54:21,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 05:54:22,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 05:54:22,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:54:22,601 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 05:54:22,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:54:22,721 INFO L208 MainTranslator]: Completed translation [2020-07-20 05:54:22,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:54:22 WrapperNode [2020-07-20 05:54:22,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 05:54:22,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 05:54:22,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 05:54:22,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 05:54:22,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:54:22" (1/1) ... [2020-07-20 05:54:22,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:54:22" (1/1) ... [2020-07-20 05:54:22,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:54:22" (1/1) ... [2020-07-20 05:54:22,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:54:22" (1/1) ... [2020-07-20 05:54:22,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:54:22" (1/1) ... [2020-07-20 05:54:22,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:54:22" (1/1) ... [2020-07-20 05:54:22,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:54:22" (1/1) ... [2020-07-20 05:54:22,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 05:54:22,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 05:54:22,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 05:54:22,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 05:54:22,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:54:22" (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 05:54:22,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 05:54:22,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 05:54:22,908 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 05:54:22,909 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 05:54:22,909 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 05:54:22,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 05:54:22,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 05:54:22,910 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 05:54:22,910 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 05:54:22,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 05:54:22,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 05:54:24,187 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 05:54:24,188 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 05:54:24,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:54:24 BoogieIcfgContainer [2020-07-20 05:54:24,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 05:54:24,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 05:54:24,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 05:54:24,202 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 05:54:24,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:54:21" (1/3) ... [2020-07-20 05:54:24,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@233ae12b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:54:24, skipping insertion in model container [2020-07-20 05:54:24,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:54:22" (2/3) ... [2020-07-20 05:54:24,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@233ae12b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:54:24, skipping insertion in model container [2020-07-20 05:54:24,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:54:24" (3/3) ... [2020-07-20 05:54:24,207 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label40.c [2020-07-20 05:54:24,221 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 05:54:24,230 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 05:54:24,247 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 05:54:24,275 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 05:54:24,275 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 05:54:24,276 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 05:54:24,276 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 05:54:24,276 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 05:54:24,277 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 05:54:24,277 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 05:54:24,277 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 05:54:24,303 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-20 05:54:24,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-07-20 05:54:24,315 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:54:24,316 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:54:24,317 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:54:24,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:54:24,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1033095319, now seen corresponding path program 1 times [2020-07-20 05:54:24,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:54:24,336 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801285169] [2020-07-20 05:54:24,337 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1764c30e [2020-07-20 05:54:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:24,929 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 05:54:24,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801285169] [2020-07-20 05:54:24,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 05:54:24,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 05:54:24,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625691930] [2020-07-20 05:54:24,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 05:54:24,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:54:24,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 05:54:24,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 05:54:24,958 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2020-07-20 05:54:26,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:54:26,615 INFO L93 Difference]: Finished difference Result 644 states and 1094 transitions. [2020-07-20 05:54:26,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 05:54:26,617 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2020-07-20 05:54:26,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:54:26,635 INFO L225 Difference]: With dead ends: 644 [2020-07-20 05:54:26,635 INFO L226 Difference]: Without dead ends: 334 [2020-07-20 05:54:26,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 05:54:26,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2020-07-20 05:54:26,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 327. [2020-07-20 05:54:26,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-07-20 05:54:26,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 478 transitions. [2020-07-20 05:54:26,733 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 478 transitions. Word has length 95 [2020-07-20 05:54:26,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:54:26,734 INFO L479 AbstractCegarLoop]: Abstraction has 327 states and 478 transitions. [2020-07-20 05:54:26,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 05:54:26,734 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 478 transitions. [2020-07-20 05:54:26,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-20 05:54:26,741 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:54:26,741 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:54:26,742 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 05:54:26,742 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:54:26,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:54:26,743 INFO L82 PathProgramCache]: Analyzing trace with hash -377311506, now seen corresponding path program 1 times [2020-07-20 05:54:26,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:54:26,743 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513338046] [2020-07-20 05:54:26,744 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1764c30e [2020-07-20 05:54:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:27,015 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:54:27,016 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513338046] [2020-07-20 05:54:27,016 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089544846] [2020-07-20 05:54:27,017 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5310a57b No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:54:27,172 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5310a57b issued 4 check-sat command(s) [2020-07-20 05:54:27,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:54:27,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:54:27,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:54:27,259 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:54:27,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 05:54:27,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-20 05:54:27,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898143667] [2020-07-20 05:54:27,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 05:54:27,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:54:27,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 05:54:27,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 05:54:27,264 INFO L87 Difference]: Start difference. First operand 327 states and 478 transitions. Second operand 3 states. [2020-07-20 05:54:27,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:54:27,884 INFO L93 Difference]: Finished difference Result 943 states and 1397 transitions. [2020-07-20 05:54:27,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 05:54:27,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-07-20 05:54:27,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:54:27,896 INFO L225 Difference]: With dead ends: 943 [2020-07-20 05:54:27,896 INFO L226 Difference]: Without dead ends: 622 [2020-07-20 05:54:27,901 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 05:54:27,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2020-07-20 05:54:27,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 621. [2020-07-20 05:54:27,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-07-20 05:54:27,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 878 transitions. [2020-07-20 05:54:27,970 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 878 transitions. Word has length 103 [2020-07-20 05:54:27,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:54:27,972 INFO L479 AbstractCegarLoop]: Abstraction has 621 states and 878 transitions. [2020-07-20 05:54:27,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 05:54:27,973 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 878 transitions. [2020-07-20 05:54:27,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-20 05:54:27,984 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:54:27,985 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:54:28,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-20 05:54:28,200 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:54:28,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:54:28,200 INFO L82 PathProgramCache]: Analyzing trace with hash 549151607, now seen corresponding path program 1 times [2020-07-20 05:54:28,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:54:28,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469391181] [2020-07-20 05:54:28,201 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1764c30e [2020-07-20 05:54:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:28,408 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 05:54:28,409 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469391181] [2020-07-20 05:54:28,409 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379190241] [2020-07-20 05:54:28,410 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@743fe5e8 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 05:54:28,521 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@743fe5e8 issued 4 check-sat command(s) [2020-07-20 05:54:28,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:54:28,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:54:28,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:54:28,587 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:54:28,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:54:28,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-20 05:54:28,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279069460] [2020-07-20 05:54:28,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 05:54:28,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:54:28,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 05:54:28,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-20 05:54:28,591 INFO L87 Difference]: Start difference. First operand 621 states and 878 transitions. Second operand 11 states. [2020-07-20 05:54:30,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:54:30,240 INFO L93 Difference]: Finished difference Result 1690 states and 2493 transitions. [2020-07-20 05:54:30,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 05:54:30,240 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 113 [2020-07-20 05:54:30,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:54:30,248 INFO L225 Difference]: With dead ends: 1690 [2020-07-20 05:54:30,248 INFO L226 Difference]: Without dead ends: 1075 [2020-07-20 05:54:30,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-07-20 05:54:30,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2020-07-20 05:54:30,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 902. [2020-07-20 05:54:30,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 902 states. [2020-07-20 05:54:30,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1243 transitions. [2020-07-20 05:54:30,296 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1243 transitions. Word has length 113 [2020-07-20 05:54:30,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:54:30,296 INFO L479 AbstractCegarLoop]: Abstraction has 902 states and 1243 transitions. [2020-07-20 05:54:30,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 05:54:30,296 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1243 transitions. [2020-07-20 05:54:30,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-07-20 05:54:30,300 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:54:30,300 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:54:30,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:54:30,514 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:54:30,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:54:30,515 INFO L82 PathProgramCache]: Analyzing trace with hash -587723324, now seen corresponding path program 1 times [2020-07-20 05:54:30,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:54:30,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516347396] [2020-07-20 05:54:30,517 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1764c30e [2020-07-20 05:54:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:30,655 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:54:30,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516347396] [2020-07-20 05:54:30,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 05:54:30,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 05:54:30,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282932157] [2020-07-20 05:54:30,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 05:54:30,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:54:30,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 05:54:30,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:54:30,658 INFO L87 Difference]: Start difference. First operand 902 states and 1243 transitions. Second operand 8 states. [2020-07-20 05:54:32,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:54:32,653 INFO L93 Difference]: Finished difference Result 2567 states and 3685 transitions. [2020-07-20 05:54:32,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 05:54:32,654 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 115 [2020-07-20 05:54:32,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:54:32,666 INFO L225 Difference]: With dead ends: 2567 [2020-07-20 05:54:32,666 INFO L226 Difference]: Without dead ends: 1671 [2020-07-20 05:54:32,670 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-07-20 05:54:32,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2020-07-20 05:54:32,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1358. [2020-07-20 05:54:32,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1358 states. [2020-07-20 05:54:32,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1358 states and 1769 transitions. [2020-07-20 05:54:32,726 INFO L78 Accepts]: Start accepts. Automaton has 1358 states and 1769 transitions. Word has length 115 [2020-07-20 05:54:32,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:54:32,726 INFO L479 AbstractCegarLoop]: Abstraction has 1358 states and 1769 transitions. [2020-07-20 05:54:32,726 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 05:54:32,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 1769 transitions. [2020-07-20 05:54:32,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-07-20 05:54:32,730 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:54:32,730 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:54:32,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 05:54:32,731 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:54:32,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:54:32,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1133854759, now seen corresponding path program 1 times [2020-07-20 05:54:32,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:54:32,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123504591] [2020-07-20 05:54:32,732 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1764c30e [2020-07-20 05:54:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:32,999 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:54:33,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123504591] [2020-07-20 05:54:33,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293532516] [2020-07-20 05:54:33,001 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@18849f5d 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 05:54:33,103 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@18849f5d issued 4 check-sat command(s) [2020-07-20 05:54:33,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:54:33,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:54:33,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:54:33,173 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:54:33,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 05:54:33,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-20 05:54:33,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251579730] [2020-07-20 05:54:33,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 05:54:33,175 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:54:33,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 05:54:33,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 05:54:33,175 INFO L87 Difference]: Start difference. First operand 1358 states and 1769 transitions. Second operand 3 states. [2020-07-20 05:54:33,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:54:33,748 INFO L93 Difference]: Finished difference Result 3144 states and 4111 transitions. [2020-07-20 05:54:33,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 05:54:33,749 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-07-20 05:54:33,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:54:33,758 INFO L225 Difference]: With dead ends: 3144 [2020-07-20 05:54:33,758 INFO L226 Difference]: Without dead ends: 1204 [2020-07-20 05:54:33,763 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 05:54:33,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2020-07-20 05:54:33,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1204. [2020-07-20 05:54:33,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1204 states. [2020-07-20 05:54:33,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1506 transitions. [2020-07-20 05:54:33,811 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1506 transitions. Word has length 121 [2020-07-20 05:54:33,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:54:33,812 INFO L479 AbstractCegarLoop]: Abstraction has 1204 states and 1506 transitions. [2020-07-20 05:54:33,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 05:54:33,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1506 transitions. [2020-07-20 05:54:33,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-07-20 05:54:33,823 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:54:33,824 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:54:34,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:54:34,038 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:54:34,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:54:34,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1603396301, now seen corresponding path program 1 times [2020-07-20 05:54:34,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:54:34,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183359881] [2020-07-20 05:54:34,041 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1764c30e [2020-07-20 05:54:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:34,183 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 05:54:34,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183359881] [2020-07-20 05:54:34,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164865547] [2020-07-20 05:54:34,184 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@256cc043 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:54:34,300 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@256cc043 issued 4 check-sat command(s) [2020-07-20 05:54:34,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:54:34,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 05:54:34,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:54:34,437 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-20 05:54:34,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 05:54:34,438 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2020-07-20 05:54:34,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798894599] [2020-07-20 05:54:34,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 05:54:34,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:54:34,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 05:54:34,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-20 05:54:34,440 INFO L87 Difference]: Start difference. First operand 1204 states and 1506 transitions. Second operand 5 states. [2020-07-20 05:54:35,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:54:35,537 INFO L93 Difference]: Finished difference Result 3492 states and 4559 transitions. [2020-07-20 05:54:35,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 05:54:35,540 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2020-07-20 05:54:35,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:54:35,560 INFO L225 Difference]: With dead ends: 3492 [2020-07-20 05:54:35,560 INFO L226 Difference]: Without dead ends: 2294 [2020-07-20 05:54:35,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-07-20 05:54:35,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2294 states. [2020-07-20 05:54:35,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2294 to 2261. [2020-07-20 05:54:35,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2261 states. [2020-07-20 05:54:35,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 2261 states and 2865 transitions. [2020-07-20 05:54:35,706 INFO L78 Accepts]: Start accepts. Automaton has 2261 states and 2865 transitions. Word has length 124 [2020-07-20 05:54:35,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:54:35,708 INFO L479 AbstractCegarLoop]: Abstraction has 2261 states and 2865 transitions. [2020-07-20 05:54:35,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 05:54:35,708 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2865 transitions. [2020-07-20 05:54:35,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-20 05:54:35,719 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:54:35,720 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:54:35,934 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:54:35,935 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:54:35,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:54:35,937 INFO L82 PathProgramCache]: Analyzing trace with hash -5916666, now seen corresponding path program 1 times [2020-07-20 05:54:35,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:54:35,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666730668] [2020-07-20 05:54:35,938 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1764c30e [2020-07-20 05:54:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:36,128 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 05:54:36,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666730668] [2020-07-20 05:54:36,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289582439] [2020-07-20 05:54:36,129 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@35c323db No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:54:36,250 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@35c323db issued 4 check-sat command(s) [2020-07-20 05:54:36,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:54:36,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:54:36,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:54:36,351 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-20 05:54:36,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 05:54:36,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-20 05:54:36,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47818571] [2020-07-20 05:54:36,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 05:54:36,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:54:36,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 05:54:36,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:54:36,359 INFO L87 Difference]: Start difference. First operand 2261 states and 2865 transitions. Second operand 3 states. [2020-07-20 05:54:36,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:54:36,946 INFO L93 Difference]: Finished difference Result 4518 states and 5734 transitions. [2020-07-20 05:54:36,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 05:54:36,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2020-07-20 05:54:36,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:54:36,959 INFO L225 Difference]: With dead ends: 4518 [2020-07-20 05:54:36,959 INFO L226 Difference]: Without dead ends: 2263 [2020-07-20 05:54:36,966 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:54:36,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2020-07-20 05:54:37,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 2261. [2020-07-20 05:54:37,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2261 states. [2020-07-20 05:54:37,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 2261 states and 2835 transitions. [2020-07-20 05:54:37,042 INFO L78 Accepts]: Start accepts. Automaton has 2261 states and 2835 transitions. Word has length 146 [2020-07-20 05:54:37,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:54:37,042 INFO L479 AbstractCegarLoop]: Abstraction has 2261 states and 2835 transitions. [2020-07-20 05:54:37,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 05:54:37,043 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2835 transitions. [2020-07-20 05:54:37,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-07-20 05:54:37,049 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:54:37,050 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:54:37,262 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-20 05:54:37,263 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:54:37,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:54:37,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1143201553, now seen corresponding path program 1 times [2020-07-20 05:54:37,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:54:37,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525984315] [2020-07-20 05:54:37,265 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1764c30e [2020-07-20 05:54:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:37,481 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 05:54:37,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525984315] [2020-07-20 05:54:37,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912007818] [2020-07-20 05:54:37,483 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1c77b8af No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:54:37,619 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1c77b8af issued 4 check-sat command(s) [2020-07-20 05:54:37,620 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:54:37,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 05:54:37,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:54:37,655 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 70 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:54:37,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:54:37,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2020-07-20 05:54:37,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297308138] [2020-07-20 05:54:37,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 05:54:37,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:54:37,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 05:54:37,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 05:54:37,659 INFO L87 Difference]: Start difference. First operand 2261 states and 2835 transitions. Second operand 7 states. [2020-07-20 05:54:38,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:54:38,888 INFO L93 Difference]: Finished difference Result 5873 states and 7654 transitions. [2020-07-20 05:54:38,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 05:54:38,889 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 162 [2020-07-20 05:54:38,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:54:38,921 INFO L225 Difference]: With dead ends: 5873 [2020-07-20 05:54:38,922 INFO L226 Difference]: Without dead ends: 3618 [2020-07-20 05:54:38,930 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-20 05:54:38,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3618 states. [2020-07-20 05:54:39,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3618 to 3290. [2020-07-20 05:54:39,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3290 states. [2020-07-20 05:54:39,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3290 states to 3290 states and 3973 transitions. [2020-07-20 05:54:39,040 INFO L78 Accepts]: Start accepts. Automaton has 3290 states and 3973 transitions. Word has length 162 [2020-07-20 05:54:39,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:54:39,040 INFO L479 AbstractCegarLoop]: Abstraction has 3290 states and 3973 transitions. [2020-07-20 05:54:39,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 05:54:39,041 INFO L276 IsEmpty]: Start isEmpty. Operand 3290 states and 3973 transitions. [2020-07-20 05:54:39,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-07-20 05:54:39,049 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:54:39,049 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 05:54:39,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:54:39,264 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:54:39,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:54:39,264 INFO L82 PathProgramCache]: Analyzing trace with hash -955310860, now seen corresponding path program 1 times [2020-07-20 05:54:39,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:54:39,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872183473] [2020-07-20 05:54:39,265 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1764c30e [2020-07-20 05:54:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:39,466 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 05:54:39,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872183473] [2020-07-20 05:54:39,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670719102] [2020-07-20 05:54:39,467 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@a4c90a1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:54:39,696 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@a4c90a1 issued 4 check-sat command(s) [2020-07-20 05:54:39,696 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:54:39,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:54:39,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:54:39,769 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 87 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 05:54:39,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:54:39,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-07-20 05:54:39,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31992502] [2020-07-20 05:54:39,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 05:54:39,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:54:39,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 05:54:39,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 05:54:39,772 INFO L87 Difference]: Start difference. First operand 3290 states and 3973 transitions. Second operand 10 states. [2020-07-20 05:54:42,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:54:42,023 INFO L93 Difference]: Finished difference Result 6315 states and 7683 transitions. [2020-07-20 05:54:42,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-20 05:54:42,024 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 181 [2020-07-20 05:54:42,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:54:42,040 INFO L225 Difference]: With dead ends: 6315 [2020-07-20 05:54:42,040 INFO L226 Difference]: Without dead ends: 3175 [2020-07-20 05:54:42,049 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2020-07-20 05:54:42,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3175 states. [2020-07-20 05:54:42,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3175 to 2860. [2020-07-20 05:54:42,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2860 states. [2020-07-20 05:54:42,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 2860 states and 3276 transitions. [2020-07-20 05:54:42,142 INFO L78 Accepts]: Start accepts. Automaton has 2860 states and 3276 transitions. Word has length 181 [2020-07-20 05:54:42,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:54:42,142 INFO L479 AbstractCegarLoop]: Abstraction has 2860 states and 3276 transitions. [2020-07-20 05:54:42,142 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 05:54:42,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2860 states and 3276 transitions. [2020-07-20 05:54:42,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-07-20 05:54:42,154 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:54:42,155 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 05:54:42,367 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:54:42,368 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:54:42,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:54:42,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1874149379, now seen corresponding path program 1 times [2020-07-20 05:54:42,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:54:42,369 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083376419] [2020-07-20 05:54:42,370 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1764c30e [2020-07-20 05:54:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:42,643 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 136 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 05:54:42,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083376419] [2020-07-20 05:54:42,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551728732] [2020-07-20 05:54:42,644 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@76f53155 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:54:42,784 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@76f53155 issued 4 check-sat command(s) [2020-07-20 05:54:42,785 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:54:42,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 05:54:42,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:54:42,899 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-20 05:54:42,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 05:54:42,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 9 [2020-07-20 05:54:42,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516084080] [2020-07-20 05:54:42,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 05:54:42,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:54:42,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 05:54:42,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-20 05:54:42,903 INFO L87 Difference]: Start difference. First operand 2860 states and 3276 transitions. Second operand 9 states. [2020-07-20 05:54:43,275 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-07-20 05:54:46,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:54:46,219 INFO L93 Difference]: Finished difference Result 8728 states and 9922 transitions. [2020-07-20 05:54:46,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-20 05:54:46,219 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 206 [2020-07-20 05:54:46,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:54:46,245 INFO L225 Difference]: With dead ends: 8728 [2020-07-20 05:54:46,246 INFO L226 Difference]: Without dead ends: 5559 [2020-07-20 05:54:46,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=175, Invalid=581, Unknown=0, NotChecked=0, Total=756 [2020-07-20 05:54:46,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5559 states. [2020-07-20 05:54:46,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5559 to 5543. [2020-07-20 05:54:46,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5543 states. [2020-07-20 05:54:46,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5543 states to 5543 states and 6084 transitions. [2020-07-20 05:54:46,413 INFO L78 Accepts]: Start accepts. Automaton has 5543 states and 6084 transitions. Word has length 206 [2020-07-20 05:54:46,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:54:46,414 INFO L479 AbstractCegarLoop]: Abstraction has 5543 states and 6084 transitions. [2020-07-20 05:54:46,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 05:54:46,414 INFO L276 IsEmpty]: Start isEmpty. Operand 5543 states and 6084 transitions. [2020-07-20 05:54:46,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-07-20 05:54:46,437 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:54:46,437 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-20 05:54:46,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-20 05:54:46,651 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:54:46,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:54:46,652 INFO L82 PathProgramCache]: Analyzing trace with hash -544683209, now seen corresponding path program 1 times [2020-07-20 05:54:46,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:54:46,653 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806649922] [2020-07-20 05:54:46,653 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1764c30e [2020-07-20 05:54:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 05:54:46,967 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 231 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-20 05:54:46,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806649922] [2020-07-20 05:54:46,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538772714] [2020-07-20 05:54:46,968 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@714ce0ee No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:54:47,121 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@714ce0ee issued 4 check-sat command(s) [2020-07-20 05:54:47,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 05:54:47,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 05:54:47,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 05:54:47,241 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-07-20 05:54:47,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 05:54:47,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-20 05:54:47,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868185732] [2020-07-20 05:54:47,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 05:54:47,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 05:54:47,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 05:54:47,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:54:47,245 INFO L87 Difference]: Start difference. First operand 5543 states and 6084 transitions. Second operand 3 states. [2020-07-20 05:54:47,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 05:54:47,912 INFO L93 Difference]: Finished difference Result 9881 states and 10832 transitions. [2020-07-20 05:54:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 05:54:47,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 254 [2020-07-20 05:54:47,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 05:54:47,913 INFO L225 Difference]: With dead ends: 9881 [2020-07-20 05:54:47,914 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 05:54:47,931 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 05:54:47,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 05:54:47,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 05:54:47,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 05:54:47,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 05:54:47,932 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 254 [2020-07-20 05:54:47,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 05:54:47,933 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 05:54:47,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 05:54:47,933 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 05:54:47,933 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 05:54:48,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 05:54:48,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 05:54:48,943 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 200 [2020-07-20 05:54:49,187 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 200 [2020-07-20 05:54:50,842 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 210 DAG size of output: 78 [2020-07-20 05:54:51,996 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 200 DAG size of output: 72 [2020-07-20 05:54:53,110 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 200 DAG size of output: 72 [2020-07-20 05:54:53,116 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 05:54:53,117 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-20 05:54:53,117 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 05:54:53,117 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,117 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,117 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,117 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,118 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,118 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-20 05:54:53,118 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-20 05:54:53,118 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 05:54:53,118 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-20 05:54:53,118 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-20 05:54:53,118 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 05:54:53,119 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-20 05:54:53,119 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-20 05:54:53,119 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-20 05:54:53,119 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-20 05:54:53,119 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-20 05:54:53,119 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-20 05:54:53,119 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-20 05:54:53,119 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,120 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,120 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,120 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,120 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-20 05:54:53,120 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,120 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-20 05:54:53,120 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-20 05:54:53,121 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 05:54:53,121 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-20 05:54:53,121 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-20 05:54:53,121 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-20 05:54:53,121 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-20 05:54:53,121 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-20 05:54:53,121 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-20 05:54:53,121 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-20 05:54:53,122 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-20 05:54:53,122 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-20 05:54:53,122 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-20 05:54:53,122 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-20 05:54:53,122 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-20 05:54:53,122 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,122 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,123 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,123 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,123 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,123 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2020-07-20 05:54:53,123 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-20 05:54:53,123 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-20 05:54:53,124 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-20 05:54:53,124 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 05:54:53,124 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-20 05:54:53,124 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 05:54:53,124 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-20 05:54:53,124 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 05:54:53,124 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-20 05:54:53,124 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-20 05:54:53,125 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-20 05:54:53,125 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,125 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,125 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,125 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,125 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,125 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-20 05:54:53,126 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-20 05:54:53,126 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-20 05:54:53,126 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-20 05:54:53,126 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-20 05:54:53,126 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-20 05:54:53,126 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-20 05:54:53,126 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-20 05:54:53,126 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-20 05:54:53,127 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-20 05:54:53,127 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-20 05:54:53,127 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-20 05:54:53,127 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-20 05:54:53,127 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,127 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,127 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,127 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,127 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,128 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-20 05:54:53,128 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 05:54:53,128 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-20 05:54:53,128 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-20 05:54:53,128 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 05:54:53,128 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-20 05:54:53,128 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-20 05:54:53,128 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-20 05:54:53,129 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-20 05:54:53,129 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-20 05:54:53,129 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-20 05:54:53,129 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-20 05:54:53,129 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-20 05:54:53,129 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-20 05:54:53,130 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-20 05:54:53,130 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-20 05:54:53,130 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,130 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,130 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,130 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,130 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-20 05:54:53,130 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,131 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-20 05:54:53,131 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,131 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-20 05:54:53,131 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-20 05:54:53,131 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-20 05:54:53,131 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,131 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,131 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 05:54:53,132 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-20 05:54:53,132 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-20 05:54:53,132 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 05:54:53,132 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 05:54:53,132 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-20 05:54:53,132 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-20 05:54:53,132 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-20 05:54:53,132 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-20 05:54:53,133 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-20 05:54:53,133 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-20 05:54:53,133 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,133 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,133 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,133 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,133 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,133 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,134 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-20 05:54:53,134 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 05:54:53,134 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-20 05:54:53,134 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 05:54:53,134 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 05:54:53,134 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 05:54:53,134 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-20 05:54:53,134 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-20 05:54:53,135 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-20 05:54:53,135 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-20 05:54:53,135 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-20 05:54:53,135 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,135 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,135 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,135 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,135 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,136 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,136 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-20 05:54:53,136 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-20 05:54:53,136 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-20 05:54:53,136 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 05:54:53,136 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 05:54:53,136 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-20 05:54:53,136 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 05:54:53,137 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 05:54:53,137 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-20 05:54:53,137 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-20 05:54:53,137 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-20 05:54:53,137 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-20 05:54:53,137 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-20 05:54:53,137 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-20 05:54:53,137 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,137 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,138 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,138 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse24 (<= ~a17~0 8)) (.cse5 (= 1 ~a25~0)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|)) (.cse3 (= ~a28~0 |old(~a28~0)|)) (.cse16 (= ~a25~0 |old(~a25~0)|))) (let ((.cse11 (not (<= 10 |old(~a28~0)|))) (.cse8 (not (<= |old(~a11~0)| 0))) (.cse20 (and .cse1 .cse2 .cse4 .cse3 .cse16)) (.cse18 (and .cse1 .cse24 .cse2 .cse4 .cse3 .cse5)) (.cse0 (not (= 1 |old(~a19~0)|))) (.cse9 (not (<= 9 |old(~a28~0)|))) (.cse6 (not (= 1 |old(~a25~0)|))) (.cse12 (and .cse1 .cse2 .cse4 .cse3 .cse5)) (.cse7 (not (<= |old(~a17~0)| 8))) (.cse17 (not (<= |old(~a28~0)| 7))) (.cse23 (not (<= |old(~a17~0)| 7))) (.cse19 (and .cse1 .cse24 .cse2 .cse4 .cse3 .cse16)) (.cse13 (not (= 8 |old(~a17~0)|))) (.cse22 (and .cse1 .cse2 .cse3 .cse4 .cse16)) (.cse14 (not (<= |old(~a25~0)| 0))) (.cse15 (= 10 |old(~a28~0)|)) (.cse10 (not (<= |old(~a19~0)| 0))) (.cse21 (= |old(~a11~0)| |old(~a19~0)|))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8) (or .cse9 .cse6 .cse10 .cse11 .cse12 .cse7 .cse8) (or .cse0 .cse13 .cse9 .cse14 .cse15 (and .cse1 .cse4 .cse3 (= 8 ~a17~0) .cse16)) (or .cse0 .cse17 .cse6 .cse18 .cse7) (or .cse14 .cse15 .cse10 .cse19 .cse7 (= 9 |old(~a28~0)|)) (or .cse0 .cse14 .cse20 .cse11 .cse21 .cse7) (or .cse0 .cse13 .cse17 .cse22 .cse14 .cse8) (or .cse9 .cse20 .cse23 .cse7) (or .cse17 .cse18 .cse6 .cse10 .cse7) (or .cse0 .cse9 .cse6 .cse12 .cse7) (or .cse17 .cse23 .cse19) (or .cse13 .cse22 .cse14 .cse15 .cse10 .cse21)))) [2020-07-20 05:54:53,138 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,138 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,138 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,139 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-20 05:54:53,139 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-20 05:54:53,139 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-20 05:54:53,139 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 05:54:53,139 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-20 05:54:53,139 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-20 05:54:53,139 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 05:54:53,139 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 05:54:53,139 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-20 05:54:53,140 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-20 05:54:53,140 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-20 05:54:53,140 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-20 05:54:53,140 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-20 05:54:53,140 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,140 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,140 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,140 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,141 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,141 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,141 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-20 05:54:53,141 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-20 05:54:53,141 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 05:54:53,141 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-20 05:54:53,141 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-20 05:54:53,141 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 05:54:53,141 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 05:54:53,142 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-20 05:54:53,142 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-20 05:54:53,142 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-20 05:54:53,142 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-20 05:54:53,142 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-20 05:54:53,142 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-20 05:54:53,142 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-20 05:54:53,142 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-20 05:54:53,143 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-20 05:54:53,143 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,143 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,143 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,143 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,143 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-20 05:54:53,143 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-20 05:54:53,143 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-20 05:54:53,143 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-20 05:54:53,144 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-20 05:54:53,144 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-20 05:54:53,144 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-20 05:54:53,144 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-20 05:54:53,144 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 05:54:53,144 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 05:54:53,144 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 05:54:53,144 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-20 05:54:53,145 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-20 05:54:53,145 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-20 05:54:53,145 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-20 05:54:53,145 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-20 05:54:53,145 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-20 05:54:53,145 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-20 05:54:53,145 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-20 05:54:53,145 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-20 05:54:53,145 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 05:54:53,146 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a25~0 0) (= 8 ~a17~0) (<= ~a28~0 7)) [2020-07-20 05:54:53,146 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 05:54:53,146 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 05:54:53,146 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a28~0)| 7)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a25~0)| 0)) (not (<= |old(~a11~0)| 0))) [2020-07-20 05:54:53,146 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse7 (<= ~a17~0 7)) (.cse4 (<= ~a19~0 0)) (.cse2 (not (= ~a11~0 ~a19~0))) (.cse8 (<= ~a28~0 7)) (.cse12 (<= ~a11~0 |old(~a11~0)|)) (.cse5 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (<= ~a17~0 8)) (.cse9 (= 1 ~a25~0)) (.cse11 (= 1 ~a19~0)) (.cse0 (not (= 10 ~a28~0))) (.cse1 (<= ~a25~0 0)) (.cse10 (<= 9 ~a28~0)) (.cse3 (= 8 ~a17~0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (<= |old(~a28~0)| 7)) (and .cse5 .cse6 .cse7 .cse8) (and .cse5 .cse0 .cse6 .cse1 (not (= 9 ~a28~0)) .cse4) (and .cse5 .cse6 .cse4 .cse8 .cse9) (and .cse5 .cse6 .cse7 .cse10) (not (<= |old(~a11~0)| 0)) (and .cse11 .cse5 .cse6 .cse10 .cse9) (and .cse12 .cse5 .cse6 (<= 10 ~a28~0) .cse10 .cse4 .cse9) (not (= 8 |old(~a17~0)|)) (and .cse11 .cse6 .cse1 .cse2 .cse10) (not (<= |old(~a25~0)| 0)) (and .cse11 .cse5 .cse6 .cse8 .cse9) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (and .cse12 .cse11 .cse5 .cse6 .cse9) (and .cse11 .cse0 .cse1 .cse10 .cse3))) [2020-07-20 05:54:53,147 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-20 05:54:53,147 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-20 05:54:53,147 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse7 (<= ~a17~0 7)) (.cse4 (<= ~a19~0 0)) (.cse2 (not (= ~a11~0 ~a19~0))) (.cse8 (<= ~a28~0 7)) (.cse12 (<= ~a11~0 |old(~a11~0)|)) (.cse5 (<= ~a17~0 |old(~a17~0)|)) (.cse6 (<= ~a17~0 8)) (.cse9 (= 1 ~a25~0)) (.cse11 (= 1 ~a19~0)) (.cse0 (not (= 10 ~a28~0))) (.cse1 (<= ~a25~0 0)) (.cse10 (<= 9 ~a28~0)) (.cse3 (= 8 ~a17~0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (<= |old(~a28~0)| 7)) (and .cse5 .cse6 .cse7 .cse8) (and .cse5 .cse0 .cse6 .cse1 (not (= 9 ~a28~0)) .cse4) (and .cse5 .cse6 .cse4 .cse8 .cse9) (and .cse5 .cse6 .cse7 .cse10) (not (<= |old(~a11~0)| 0)) (and .cse11 .cse5 .cse6 .cse10 .cse9) (and .cse12 .cse5 .cse6 (<= 10 ~a28~0) .cse10 .cse4 .cse9) (not (= 8 |old(~a17~0)|)) (and .cse11 .cse6 .cse1 .cse2 .cse10) (not (<= |old(~a25~0)| 0)) (and .cse11 .cse5 .cse6 .cse8 .cse9) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (and .cse12 .cse11 .cse5 .cse6 .cse9) (and .cse11 .cse0 .cse1 .cse10 .cse3))) [2020-07-20 05:54:53,147 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-20 05:54:53,147 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-20 05:54:53,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:54:53 BoogieIcfgContainer [2020-07-20 05:54:53,174 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 05:54:53,176 INFO L168 Benchmark]: Toolchain (without parser) took 31212.36 ms. Allocated memory was 137.9 MB in the beginning and 645.9 MB in the end (delta: 508.0 MB). Free memory was 99.8 MB in the beginning and 504.7 MB in the end (delta: -404.9 MB). Peak memory consumption was 483.5 MB. Max. memory is 7.1 GB. [2020-07-20 05:54:53,177 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 05:54:53,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 755.34 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 99.4 MB in the beginning and 167.7 MB in the end (delta: -68.3 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. [2020-07-20 05:54:53,178 INFO L168 Benchmark]: Boogie Preprocessor took 108.66 ms. Allocated memory is still 201.3 MB. Free memory was 167.7 MB in the beginning and 163.2 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-07-20 05:54:53,179 INFO L168 Benchmark]: RCFGBuilder took 1364.75 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 162.5 MB in the beginning and 178.0 MB in the end (delta: -15.5 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. [2020-07-20 05:54:53,180 INFO L168 Benchmark]: TraceAbstraction took 28976.29 ms. Allocated memory was 230.7 MB in the beginning and 645.9 MB in the end (delta: 415.2 MB). Free memory was 178.0 MB in the beginning and 504.7 MB in the end (delta: -326.8 MB). Peak memory consumption was 468.8 MB. Max. memory is 7.1 GB. [2020-07-20 05:54:53,183 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 755.34 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 99.4 MB in the beginning and 167.7 MB in the end (delta: -68.3 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.66 ms. Allocated memory is still 201.3 MB. Free memory was 167.7 MB in the beginning and 163.2 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1364.75 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 162.5 MB in the beginning and 178.0 MB in the end (delta: -15.5 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28976.29 ms. Allocated memory was 230.7 MB in the beginning and 645.9 MB in the end (delta: 415.2 MB). Free memory was 178.0 MB in the beginning and 504.7 MB in the end (delta: -326.8 MB). Peak memory consumption was 468.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((((((((!(1 == \old(a19)) || ((((!(10 == a28) && a25 <= 0) && !(a11 == a19)) && 8 == a17) && a19 <= 0)) || !(\old(a28) <= 7)) || (((a17 <= \old(a17) && a17 <= 8) && a17 <= 7) && a28 <= 7)) || (((((a17 <= \old(a17) && !(10 == a28)) && a17 <= 8) && a25 <= 0) && !(9 == a28)) && a19 <= 0)) || ((((a17 <= \old(a17) && a17 <= 8) && a19 <= 0) && a28 <= 7) && 1 == a25)) || (((a17 <= \old(a17) && a17 <= 8) && a17 <= 7) && 9 <= a28)) || !(\old(a11) <= 0)) || ((((1 == a19 && a17 <= \old(a17)) && a17 <= 8) && 9 <= a28) && 1 == a25)) || ((((((a11 <= \old(a11) && a17 <= \old(a17)) && a17 <= 8) && 10 <= a28) && 9 <= a28) && a19 <= 0) && 1 == a25)) || !(8 == \old(a17))) || ((((1 == a19 && a17 <= 8) && a25 <= 0) && !(a11 == a19)) && 9 <= a28)) || !(\old(a25) <= 0)) || ((((1 == a19 && a17 <= \old(a17)) && a17 <= 8) && a28 <= 7) && 1 == a25)) || ((((a11 == \old(a11) && a17 == \old(a17)) && a19 == \old(a19)) && a28 == \old(a28)) && a25 == \old(a25))) || ((((a11 <= \old(a11) && 1 == a19) && a17 <= \old(a17)) && a17 <= 8) && 1 == a25)) || ((((1 == a19 && !(10 == a28)) && a25 <= 0) && 9 <= a28) && 8 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.8s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 15.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1160 SDtfs, 5859 SDslu, 534 SDs, 0 SdLazy, 8661 SolverSat, 1616 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1589 GetRequests, 1470 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5543occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 1188 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 178 PreInvPairs, 252 NumberOfFragments, 969 HoareAnnotationTreeSize, 178 FomulaSimplifications, 54753 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 18100 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 3030 NumberOfCodeBlocks, 3030 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 3010 ConstructedInterpolants, 0 QuantifiedInterpolants, 1255130 SizeOfPredicates, 15 NumberOfNonLiveVariables, 3625 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 20 InterpolantComputations, 7 PerfectInterpolantSequences, 1262/1383 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...