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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label37.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 01:04:51,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 01:04:51,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 01:04:51,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 01:04:51,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 01:04:51,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 01:04:51,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 01:04:51,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 01:04:51,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 01:04:51,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 01:04:51,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 01:04:51,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 01:04:51,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 01:04:51,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 01:04:51,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 01:04:51,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 01:04:51,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 01:04:51,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 01:04:51,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 01:04:51,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 01:04:51,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 01:04:51,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 01:04:51,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 01:04:51,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 01:04:51,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-02 01:04:51,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 01:04:51,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 01:04:51,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 01:04:51,828 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 [2019-10-02 01:04:51,843 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 01:04:51,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 01:04:51,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 01:04:51,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 01:04:51,847 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 01:04:51,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 01:04:51,848 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 01:04:51,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 01:04:51,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 01:04:51,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 01:04:51,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 01:04:51,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 01:04:51,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 01:04:51,849 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 01:04:51,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 01:04:51,849 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 01:04:51,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 01:04:51,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 01:04:51,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 01:04:51,851 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 01:04:51,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 01:04:51,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 01:04:51,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 01:04:51,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 01:04:51,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 01:04:51,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 01:04:51,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 01:04:51,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 01:04:51,853 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 01:04:51,881 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 01:04:51,897 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 01:04:51,901 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 01:04:51,902 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 01:04:51,903 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 01:04:51,903 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label37.c [2019-10-02 01:04:51,983 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31bcc1771/c5433661f8b94e14a1dbbc61008f6da0/FLAG5e18f9fa0 [2019-10-02 01:04:52,593 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 01:04:52,596 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label37.c [2019-10-02 01:04:52,611 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31bcc1771/c5433661f8b94e14a1dbbc61008f6da0/FLAG5e18f9fa0 [2019-10-02 01:04:52,839 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31bcc1771/c5433661f8b94e14a1dbbc61008f6da0 [2019-10-02 01:04:52,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 01:04:52,850 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 01:04:52,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 01:04:52,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 01:04:52,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 01:04:52,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 01:04:52" (1/1) ... [2019-10-02 01:04:52,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69ecaa57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 01:04:52, skipping insertion in model container [2019-10-02 01:04:52,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 01:04:52" (1/1) ... [2019-10-02 01:04:52,864 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 01:04:52,921 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 01:04:53,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 01:04:53,449 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 01:04:53,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 01:04:53,590 INFO L192 MainTranslator]: Completed translation [2019-10-02 01:04:53,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 01:04:53 WrapperNode [2019-10-02 01:04:53,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 01:04:53,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 01:04:53,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 01:04:53,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 01:04:53,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 01:04:53" (1/1) ... [2019-10-02 01:04:53,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 01:04:53" (1/1) ... [2019-10-02 01:04:53,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 01:04:53" (1/1) ... [2019-10-02 01:04:53,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 01:04:53" (1/1) ... [2019-10-02 01:04:53,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 01:04:53" (1/1) ... [2019-10-02 01:04:53,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 01:04:53" (1/1) ... [2019-10-02 01:04:53,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 01:04:53" (1/1) ... [2019-10-02 01:04:53,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 01:04:53,707 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 01:04:53,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 01:04:53,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 01:04:53,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 01:04:53" (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 [2019-10-02 01:04:53,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 01:04:53,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 01:04:53,764 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-02 01:04:53,764 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 01:04:53,764 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-02 01:04:53,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 01:04:53,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 01:04:53,765 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-02 01:04:53,765 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 01:04:53,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 01:04:53,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 01:04:55,040 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 01:04:55,041 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-02 01:04:55,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 01:04:55 BoogieIcfgContainer [2019-10-02 01:04:55,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 01:04:55,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 01:04:55,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 01:04:55,048 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 01:04:55,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 01:04:52" (1/3) ... [2019-10-02 01:04:55,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@484add4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 01:04:55, skipping insertion in model container [2019-10-02 01:04:55,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 01:04:53" (2/3) ... [2019-10-02 01:04:55,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@484add4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 01:04:55, skipping insertion in model container [2019-10-02 01:04:55,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 01:04:55" (3/3) ... [2019-10-02 01:04:55,053 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label37.c [2019-10-02 01:04:55,064 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 01:04:55,073 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 01:04:55,088 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 01:04:55,138 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 01:04:55,139 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 01:04:55,139 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 01:04:55,139 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 01:04:55,139 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 01:04:55,140 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 01:04:55,140 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 01:04:55,140 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 01:04:55,140 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 01:04:55,164 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2019-10-02 01:04:55,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-02 01:04:55,178 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 01:04:55,179 INFO L411 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] [2019-10-02 01:04:55,180 INFO L418 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 01:04:55,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 01:04:55,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1887592417, now seen corresponding path program 1 times [2019-10-02 01:04:55,186 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 01:04:55,186 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 01:04:55,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 01:04:55,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 01:04:55,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 01:04:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 01:04:55,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 01:04:55,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 01:04:55,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 01:04:55,565 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 01:04:55,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 01:04:55,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 01:04:55,582 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2019-10-02 01:04:57,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 01:04:57,016 INFO L93 Difference]: Finished difference Result 733 states and 1294 transitions. [2019-10-02 01:04:57,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 01:04:57,019 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2019-10-02 01:04:57,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 01:04:57,049 INFO L225 Difference]: With dead ends: 733 [2019-10-02 01:04:57,049 INFO L226 Difference]: Without dead ends: 437 [2019-10-02 01:04:57,057 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 01:04:57,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2019-10-02 01:04:57,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 294. [2019-10-02 01:04:57,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2019-10-02 01:04:57,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 426 transitions. [2019-10-02 01:04:57,137 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 426 transitions. Word has length 60 [2019-10-02 01:04:57,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 01:04:57,137 INFO L475 AbstractCegarLoop]: Abstraction has 294 states and 426 transitions. [2019-10-02 01:04:57,138 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 01:04:57,138 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 426 transitions. [2019-10-02 01:04:57,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-02 01:04:57,149 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 01:04:57,152 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 01:04:57,152 INFO L418 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 01:04:57,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 01:04:57,152 INFO L82 PathProgramCache]: Analyzing trace with hash 597106810, now seen corresponding path program 1 times [2019-10-02 01:04:57,153 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 01:04:57,153 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 01:04:57,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 01:04:57,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 01:04:57,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 01:04:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 01:04:57,382 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 01:04:57,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 01:04:57,383 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 01:04:57,387 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 01:04:57,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 01:04:57,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-02 01:04:57,388 INFO L87 Difference]: Start difference. First operand 294 states and 426 transitions. Second operand 6 states. [2019-10-02 01:04:58,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 01:04:58,288 INFO L93 Difference]: Finished difference Result 890 states and 1324 transitions. [2019-10-02 01:04:58,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 01:04:58,291 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2019-10-02 01:04:58,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 01:04:58,298 INFO L225 Difference]: With dead ends: 890 [2019-10-02 01:04:58,298 INFO L226 Difference]: Without dead ends: 602 [2019-10-02 01:04:58,300 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-02 01:04:58,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2019-10-02 01:04:58,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 590. [2019-10-02 01:04:58,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2019-10-02 01:04:58,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 856 transitions. [2019-10-02 01:04:58,347 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 856 transitions. Word has length 134 [2019-10-02 01:04:58,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 01:04:58,348 INFO L475 AbstractCegarLoop]: Abstraction has 590 states and 856 transitions. [2019-10-02 01:04:58,348 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 01:04:58,348 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 856 transitions. [2019-10-02 01:04:58,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-02 01:04:58,352 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 01:04:58,352 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 01:04:58,352 INFO L418 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 01:04:58,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 01:04:58,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1573383766, now seen corresponding path program 1 times [2019-10-02 01:04:58,353 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 01:04:58,353 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 01:04:58,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 01:04:58,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 01:04:58,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 01:04:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 01:04:58,533 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 01:04:58,534 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 01:04:58,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 01:04:58,535 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 01:04:58,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 01:04:58,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-02 01:04:58,538 INFO L87 Difference]: Start difference. First operand 590 states and 856 transitions. Second operand 6 states. [2019-10-02 01:04:59,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 01:04:59,400 INFO L93 Difference]: Finished difference Result 1484 states and 2197 transitions. [2019-10-02 01:04:59,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 01:04:59,401 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2019-10-02 01:04:59,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 01:04:59,410 INFO L225 Difference]: With dead ends: 1484 [2019-10-02 01:04:59,410 INFO L226 Difference]: Without dead ends: 900 [2019-10-02 01:04:59,412 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-02 01:04:59,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2019-10-02 01:04:59,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 888. [2019-10-02 01:04:59,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 888 states. [2019-10-02 01:04:59,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1227 transitions. [2019-10-02 01:04:59,463 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1227 transitions. Word has length 136 [2019-10-02 01:04:59,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 01:04:59,464 INFO L475 AbstractCegarLoop]: Abstraction has 888 states and 1227 transitions. [2019-10-02 01:04:59,464 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 01:04:59,464 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1227 transitions. [2019-10-02 01:04:59,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-02 01:04:59,467 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 01:04:59,468 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 01:04:59,468 INFO L418 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 01:04:59,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 01:04:59,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1984546499, now seen corresponding path program 1 times [2019-10-02 01:04:59,469 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 01:04:59,469 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 01:04:59,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 01:04:59,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 01:04:59,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 01:04:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 01:04:59,636 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 01:04:59,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 01:04:59,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 01:04:59,639 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 01:04:59,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 01:04:59,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 01:04:59,639 INFO L87 Difference]: Start difference. First operand 888 states and 1227 transitions. Second operand 4 states. [2019-10-02 01:05:00,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 01:05:00,563 INFO L93 Difference]: Finished difference Result 2058 states and 2864 transitions. [2019-10-02 01:05:00,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 01:05:00,564 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2019-10-02 01:05:00,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 01:05:00,571 INFO L225 Difference]: With dead ends: 2058 [2019-10-02 01:05:00,571 INFO L226 Difference]: Without dead ends: 1176 [2019-10-02 01:05:00,574 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 01:05:00,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2019-10-02 01:05:00,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1176. [2019-10-02 01:05:00,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1176 states. [2019-10-02 01:05:00,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1521 transitions. [2019-10-02 01:05:00,611 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1521 transitions. Word has length 139 [2019-10-02 01:05:00,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 01:05:00,612 INFO L475 AbstractCegarLoop]: Abstraction has 1176 states and 1521 transitions. [2019-10-02 01:05:00,612 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 01:05:00,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1521 transitions. [2019-10-02 01:05:00,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-02 01:05:00,615 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 01:05:00,615 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 01:05:00,616 INFO L418 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 01:05:00,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 01:05:00,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1888530915, now seen corresponding path program 1 times [2019-10-02 01:05:00,616 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 01:05:00,617 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 01:05:00,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 01:05:00,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 01:05:00,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 01:05:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 01:05:00,759 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 01:05:00,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 01:05:00,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 01:05:00,760 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 01:05:00,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 01:05:00,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-02 01:05:00,761 INFO L87 Difference]: Start difference. First operand 1176 states and 1521 transitions. Second operand 6 states. [2019-10-02 01:05:01,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 01:05:01,640 INFO L93 Difference]: Finished difference Result 2845 states and 3820 transitions. [2019-10-02 01:05:01,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 01:05:01,641 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 155 [2019-10-02 01:05:01,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 01:05:01,654 INFO L225 Difference]: With dead ends: 2845 [2019-10-02 01:05:01,654 INFO L226 Difference]: Without dead ends: 1675 [2019-10-02 01:05:01,658 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-02 01:05:01,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2019-10-02 01:05:01,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1635. [2019-10-02 01:05:01,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1635 states. [2019-10-02 01:05:01,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 2017 transitions. [2019-10-02 01:05:01,726 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 2017 transitions. Word has length 155 [2019-10-02 01:05:01,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 01:05:01,726 INFO L475 AbstractCegarLoop]: Abstraction has 1635 states and 2017 transitions. [2019-10-02 01:05:01,727 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 01:05:01,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 2017 transitions. [2019-10-02 01:05:01,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-10-02 01:05:01,732 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 01:05:01,732 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2019-10-02 01:05:01,733 INFO L418 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 01:05:01,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 01:05:01,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1010882157, now seen corresponding path program 1 times [2019-10-02 01:05:01,733 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 01:05:01,734 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 01:05:01,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 01:05:01,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 01:05:01,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 01:05:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 01:05:01,890 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2019-10-02 01:05:01,891 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 01:05:01,891 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 01:05:01,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 01:05:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 01:05:01,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 01:05:02,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 01:05:02,169 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2019-10-02 01:05:02,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 01:05:02,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-10-02 01:05:02,176 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 01:05:02,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 01:05:02,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-02 01:05:02,177 INFO L87 Difference]: Start difference. First operand 1635 states and 2017 transitions. Second operand 5 states. [2019-10-02 01:05:03,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 01:05:03,198 INFO L93 Difference]: Finished difference Result 3109 states and 3939 transitions. [2019-10-02 01:05:03,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 01:05:03,199 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 228 [2019-10-02 01:05:03,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 01:05:03,199 INFO L225 Difference]: With dead ends: 3109 [2019-10-02 01:05:03,200 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 01:05:03,207 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-02 01:05:03,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 01:05:03,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 01:05:03,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 01:05:03,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 01:05:03,208 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 228 [2019-10-02 01:05:03,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 01:05:03,209 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 01:05:03,209 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 01:05:03,209 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 01:05:03,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 01:05:03,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-02 01:05:03,382 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 59 [2019-10-02 01:05:03,848 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 37 [2019-10-02 01:05:04,110 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2019-10-02 01:05:04,617 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2019-10-02 01:05:04,619 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-02 01:05:04,620 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|)) [2019-10-02 01:05:04,620 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-02 01:05:04,620 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-10-02 01:05:04,620 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,620 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,620 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,620 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,621 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,621 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,621 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-10-02 01:05:04,621 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-10-02 01:05:04,621 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-02 01:05:04,621 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-02 01:05:04,621 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-02 01:05:04,622 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-02 01:05:04,622 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-10-02 01:05:04,622 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-02 01:05:04,622 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-10-02 01:05:04,622 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-10-02 01:05:04,622 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-10-02 01:05:04,622 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,622 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,623 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,623 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,623 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,623 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-10-02 01:05:04,623 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-10-02 01:05:04,629 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-10-02 01:05:04,629 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-10-02 01:05:04,629 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-02 01:05:04,629 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-02 01:05:04,629 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-10-02 01:05:04,630 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-02 01:05:04,630 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-10-02 01:05:04,630 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-10-02 01:05:04,630 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-10-02 01:05:04,630 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-10-02 01:05:04,630 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-10-02 01:05:04,630 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-10-02 01:05:04,630 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,631 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,631 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,631 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,634 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,634 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 166) no Hoare annotation was computed. [2019-10-02 01:05:04,634 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-10-02 01:05:04,634 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-02 01:05:04,634 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-02 01:05:04,634 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-02 01:05:04,635 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-10-02 01:05:04,635 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-10-02 01:05:04,635 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-10-02 01:05:04,635 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-10-02 01:05:04,635 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-10-02 01:05:04,635 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-10-02 01:05:04,635 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,635 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,636 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,636 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,636 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,636 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-10-02 01:05:04,636 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-10-02 01:05:04,636 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-10-02 01:05:04,636 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-02 01:05:04,637 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-02 01:05:04,637 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-02 01:05:04,637 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-10-02 01:05:04,637 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-10-02 01:05:04,637 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-10-02 01:05:04,637 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-10-02 01:05:04,638 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-10-02 01:05:04,638 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-10-02 01:05:04,638 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-10-02 01:05:04,638 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,639 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,639 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,639 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,639 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,639 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-02 01:05:04,639 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-02 01:05:04,639 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-02 01:05:04,639 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-02 01:05:04,640 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-10-02 01:05:04,640 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-10-02 01:05:04,640 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-10-02 01:05:04,640 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-10-02 01:05:04,640 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-10-02 01:05:04,640 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,640 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,640 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,641 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,641 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,641 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,641 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,641 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-10-02 01:05:04,641 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-10-02 01:05:04,641 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-10-02 01:05:04,641 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-10-02 01:05:04,642 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-02 01:05:04,642 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-02 01:05:04,642 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-02 01:05:04,642 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-02 01:05:04,642 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-02 01:05:04,642 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-10-02 01:05:04,642 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-10-02 01:05:04,642 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-10-02 01:05:04,643 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-10-02 01:05:04,643 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,643 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,644 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,644 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,644 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-02 01:05:04,644 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,644 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,644 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-10-02 01:05:04,644 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-10-02 01:05:04,645 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-10-02 01:05:04,645 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-02 01:05:04,645 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-02 01:05:04,645 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-02 01:05:04,645 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-02 01:05:04,645 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-02 01:05:04,645 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-02 01:05:04,645 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-10-02 01:05:04,645 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-10-02 01:05:04,646 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-10-02 01:05:04,648 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-10-02 01:05:04,648 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,648 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,648 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,649 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,649 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,649 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,651 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-10-02 01:05:04,651 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-10-02 01:05:04,651 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-10-02 01:05:04,651 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-02 01:05:04,651 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-02 01:05:04,651 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-02 01:05:04,651 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-02 01:05:04,652 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-10-02 01:05:04,652 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-02 01:05:04,652 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-10-02 01:05:04,652 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-10-02 01:05:04,653 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse8 (= ~a10~0 |old(~a10~0)|)) (.cse0 (= ~a19~0 |old(~a19~0)|))) (let ((.cse4 (and .cse8 .cse0)) (.cse1 (= 3 |old(~a10~0)|)) (.cse2 (= 4 |old(~a10~0)|)) (.cse6 (and (<= ~a1~0 38) .cse8 .cse0)) (.cse5 (= 7 |old(~a19~0)|)) (.cse7 (not (<= |old(~a1~0)| 38))) (.cse3 (= 10 |old(~a19~0)|))) (and (or (and (= ~a10~0 1) .cse0) (not (= 1 |old(~a10~0)|))) (or .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse4 (not (<= 9 |old(~a19~0)|))) (or .cse1 .cse5 .cse3 .cse4) (or .cse1 .cse6 .cse2 .cse7) (or .cse6 .cse5 .cse7 .cse3)))) [2019-10-02 01:05:04,653 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-10-02 01:05:04,653 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-10-02 01:05:04,653 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-10-02 01:05:04,654 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,654 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,654 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,654 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,654 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,654 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,655 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-10-02 01:05:04,655 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-02 01:05:04,655 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-02 01:05:04,655 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-02 01:05:04,655 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-02 01:05:04,655 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-10-02 01:05:04,655 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-10-02 01:05:04,655 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-10-02 01:05:04,656 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-10-02 01:05:04,656 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-10-02 01:05:04,656 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-10-02 01:05:04,656 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-10-02 01:05:04,656 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-10-02 01:05:04,656 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,656 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,656 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,656 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,657 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,657 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,657 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-10-02 01:05:04,657 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-10-02 01:05:04,657 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-10-02 01:05:04,657 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-02 01:05:04,657 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-02 01:05:04,657 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-02 01:05:04,658 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-02 01:05:04,658 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-10-02 01:05:04,658 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-02 01:05:04,658 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-10-02 01:05:04,658 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-10-02 01:05:04,658 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-10-02 01:05:04,658 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,658 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,659 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,659 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,659 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,659 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-10-02 01:05:04,659 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-10-02 01:05:04,659 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-10-02 01:05:04,659 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-10-02 01:05:04,659 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-02 01:05:04,660 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-02 01:05:04,660 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-02 01:05:04,660 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-02 01:05:04,660 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-02 01:05:04,660 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-10-02 01:05:04,660 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-10-02 01:05:04,660 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-10-02 01:05:04,660 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-10-02 01:05:04,660 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-02 01:05:04,661 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a10~0 3)) (<= ~a1~0 23) (not (= 1 ~a10~0)) (not (= 10 ~a19~0)) (not (= ~a10~0 4)) (<= 9 ~a19~0)) [2019-10-02 01:05:04,661 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-02 01:05:04,661 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-02 01:05:04,661 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (= 3 |old(~a10~0)|) (= 4 |old(~a10~0)|) (= 10 |old(~a19~0)|) (= 1 |old(~a10~0)|) (not (<= |old(~a1~0)| 23)) (and (<= ~a1~0 23) (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|)) (not (<= 9 |old(~a19~0)|))) [2019-10-02 01:05:04,661 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2019-10-02 01:05:04,661 INFO L439 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= ~a10~0 3))) (.cse2 (not (= ~a10~0 4))) (.cse1 (<= ~a1~0 38)) (.cse3 (not (= ~a19~0 7))) (.cse4 (not (= 10 ~a19~0)))) (or (= ~a10~0 1) (= 4 |old(~a10~0)|) (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4) (= 1 |old(~a10~0)|) (and .cse0 .cse4 .cse2) (and .cse4 (<= 9 ~a19~0)) (= 10 |old(~a19~0)|) (not (<= |old(~a1~0)| 23)) (= 3 |old(~a10~0)|) (and .cse1 .cse3 .cse4) (not (<= 9 |old(~a19~0)|)))) [2019-10-02 01:05:04,662 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-10-02 01:05:04,662 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-10-02 01:05:04,662 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a10~0 3))) (.cse2 (not (= ~a10~0 4))) (.cse1 (<= ~a1~0 38)) (.cse3 (not (= ~a19~0 7))) (.cse4 (not (= 10 ~a19~0)))) (or (= ~a10~0 1) (= 4 |old(~a10~0)|) (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4) (= 1 |old(~a10~0)|) (and .cse0 .cse4 .cse2) (and .cse4 (<= 9 ~a19~0)) (= 10 |old(~a19~0)|) (not (<= |old(~a1~0)| 23)) (= 3 |old(~a10~0)|) (and .cse1 .cse3 .cse4) (not (<= 9 |old(~a19~0)|)))) [2019-10-02 01:05:04,662 INFO L443 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2019-10-02 01:05:04,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 01:05:04 BoogieIcfgContainer [2019-10-02 01:05:04,684 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 01:05:04,686 INFO L168 Benchmark]: Toolchain (without parser) took 11835.66 ms. Allocated memory was 133.2 MB in the beginning and 425.2 MB in the end (delta: 292.0 MB). Free memory was 87.2 MB in the beginning and 226.0 MB in the end (delta: -138.8 MB). Peak memory consumption was 254.1 MB. Max. memory is 7.1 GB. [2019-10-02 01:05:04,687 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-02 01:05:04,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.66 ms. Allocated memory was 133.2 MB in the beginning and 203.4 MB in the end (delta: 70.3 MB). Free memory was 87.0 MB in the beginning and 167.7 MB in the end (delta: -80.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. [2019-10-02 01:05:04,691 INFO L168 Benchmark]: Boogie Preprocessor took 115.36 ms. Allocated memory is still 203.4 MB. Free memory was 167.7 MB in the beginning and 162.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-10-02 01:05:04,692 INFO L168 Benchmark]: RCFGBuilder took 1335.35 ms. Allocated memory was 203.4 MB in the beginning and 227.5 MB in the end (delta: 24.1 MB). Free memory was 162.5 MB in the beginning and 179.5 MB in the end (delta: -17.0 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. [2019-10-02 01:05:04,698 INFO L168 Benchmark]: TraceAbstraction took 9640.00 ms. Allocated memory was 227.5 MB in the beginning and 425.2 MB in the end (delta: 197.7 MB). Free memory was 179.5 MB in the beginning and 226.0 MB in the end (delta: -46.5 MB). Peak memory consumption was 252.0 MB. Max. memory is 7.1 GB. [2019-10-02 01:05:04,709 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 740.66 ms. Allocated memory was 133.2 MB in the beginning and 203.4 MB in the end (delta: 70.3 MB). Free memory was 87.0 MB in the beginning and 167.7 MB in the end (delta: -80.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.36 ms. Allocated memory is still 203.4 MB. Free memory was 167.7 MB in the beginning and 162.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1335.35 ms. Allocated memory was 203.4 MB in the beginning and 227.5 MB in the end (delta: 24.1 MB). Free memory was 162.5 MB in the beginning and 179.5 MB in the end (delta: -17.0 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9640.00 ms. Allocated memory was 227.5 MB in the beginning and 425.2 MB in the end (delta: 197.7 MB). Free memory was 179.5 MB in the beginning and 226.0 MB in the end (delta: -46.5 MB). Peak memory consumption was 252.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 166]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((((((((a10 == 1 || 4 == \old(a10)) || ((!(a10 == 3) && a1 <= 38) && !(a10 == 4))) || ((!(a10 == 3) && !(a19 == 7)) && !(10 == a19))) || 1 == \old(a10)) || ((!(a10 == 3) && !(10 == a19)) && !(a10 == 4))) || (!(10 == a19) && 9 <= a19)) || 10 == \old(a19)) || !(\old(a1) <= 23)) || 3 == \old(a10)) || ((a1 <= 38 && !(a19 == 7)) && !(10 == a19))) || !(9 <= \old(a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 9.5s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 6.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 186 SDtfs, 2629 SDslu, 191 SDs, 0 SdLazy, 3970 SolverSat, 851 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 281 GetRequests, 249 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1635occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 207 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 56 PreInvPairs, 114 NumberOfFragments, 330 HoareAnnotationTreeSize, 56 FomulaSimplifications, 3820 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1864 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1080 NumberOfCodeBlocks, 1080 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1073 ConstructedInterpolants, 0 QuantifiedInterpolants, 530178 SizeOfPredicates, 2 NumberOfNonLiveVariables, 398 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 484/584 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...