/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 18:59:03,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 18:59:03,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 18:59:03,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 18:59:03,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 18:59:03,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 18:59:03,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 18:59:03,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 18:59:03,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 18:59:03,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 18:59:03,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 18:59:03,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 18:59:03,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 18:59:03,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 18:59:03,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 18:59:03,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 18:59:03,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 18:59:03,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 18:59:03,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 18:59:03,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 18:59:03,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 18:59:03,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 18:59:03,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 18:59:03,800 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 18:59:03,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-06 18:59:03,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 18:59:03,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 18:59:03,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 18:59:03,813 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 [2019-11-06 18:59:03,831 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 18:59:03,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 18:59:03,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 18:59:03,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 18:59:03,833 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 18:59:03,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 18:59:03,834 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 18:59:03,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 18:59:03,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 18:59:03,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 18:59:03,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 18:59:03,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 18:59:03,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 18:59:03,836 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 18:59:03,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 18:59:03,837 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 18:59:03,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 18:59:03,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 18:59:03,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 18:59:03,837 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 18:59:03,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 18:59:03,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 18:59:03,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 18:59:03,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 18:59:03,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 18:59:03,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 18:59:03,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 18:59:03,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 18:59:03,840 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 18:59:04,140 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 18:59:04,164 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 18:59:04,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 18:59:04,170 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 18:59:04,170 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 18:59:04,171 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label34.c [2019-11-06 18:59:04,250 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5418f736d/9a519a9052f14eb9b478c8a9b8c2c693/FLAG14d02dc81 [2019-11-06 18:59:04,846 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 18:59:04,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label34.c [2019-11-06 18:59:04,869 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5418f736d/9a519a9052f14eb9b478c8a9b8c2c693/FLAG14d02dc81 [2019-11-06 18:59:05,146 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5418f736d/9a519a9052f14eb9b478c8a9b8c2c693 [2019-11-06 18:59:05,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 18:59:05,159 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 18:59:05,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 18:59:05,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 18:59:05,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 18:59:05,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:59:05" (1/1) ... [2019-11-06 18:59:05,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a277098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:05, skipping insertion in model container [2019-11-06 18:59:05,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:59:05" (1/1) ... [2019-11-06 18:59:05,179 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 18:59:05,243 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 18:59:05,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 18:59:05,757 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 18:59:05,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 18:59:05,980 INFO L192 MainTranslator]: Completed translation [2019-11-06 18:59:05,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:05 WrapperNode [2019-11-06 18:59:05,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 18:59:05,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 18:59:05,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 18:59:05,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 18:59:05,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:05" (1/1) ... [2019-11-06 18:59:05,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:05" (1/1) ... [2019-11-06 18:59:06,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:05" (1/1) ... [2019-11-06 18:59:06,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:05" (1/1) ... [2019-11-06 18:59:06,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:05" (1/1) ... [2019-11-06 18:59:06,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:05" (1/1) ... [2019-11-06 18:59:06,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:05" (1/1) ... [2019-11-06 18:59:06,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 18:59:06,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 18:59:06,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 18:59:06,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 18:59:06,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:05" (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 [2019-11-06 18:59:06,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 18:59:06,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 18:59:06,163 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-06 18:59:06,163 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 18:59:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-06 18:59:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 18:59:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 18:59:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 18:59:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 18:59:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 18:59:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 18:59:07,329 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 18:59:07,329 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 18:59:07,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:59:07 BoogieIcfgContainer [2019-11-06 18:59:07,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 18:59:07,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 18:59:07,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 18:59:07,338 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 18:59:07,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 06:59:05" (1/3) ... [2019-11-06 18:59:07,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e6504bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:59:07, skipping insertion in model container [2019-11-06 18:59:07,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:59:05" (2/3) ... [2019-11-06 18:59:07,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e6504bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:59:07, skipping insertion in model container [2019-11-06 18:59:07,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:59:07" (3/3) ... [2019-11-06 18:59:07,349 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label34.c [2019-11-06 18:59:07,361 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 18:59:07,368 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 18:59:07,379 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 18:59:07,406 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 18:59:07,407 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 18:59:07,407 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 18:59:07,407 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 18:59:07,407 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 18:59:07,407 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 18:59:07,408 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 18:59:07,408 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 18:59:07,432 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2019-11-06 18:59:07,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-11-06 18:59:07,444 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:07,446 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:59:07,448 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:07,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:07,453 INFO L82 PathProgramCache]: Analyzing trace with hash -524262186, now seen corresponding path program 1 times [2019-11-06 18:59:07,463 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:07,463 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969280003] [2019-11-06 18:59:07,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:07,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:59:07,991 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969280003] [2019-11-06 18:59:07,992 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 18:59:07,992 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 18:59:07,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121107349] [2019-11-06 18:59:07,999 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 18:59:08,000 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:08,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 18:59:08,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 18:59:08,017 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2019-11-06 18:59:09,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:09,642 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2019-11-06 18:59:09,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 18:59:09,645 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2019-11-06 18:59:09,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:09,663 INFO L225 Difference]: With dead ends: 627 [2019-11-06 18:59:09,663 INFO L226 Difference]: Without dead ends: 327 [2019-11-06 18:59:09,671 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-06 18:59:09,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2019-11-06 18:59:09,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2019-11-06 18:59:09,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2019-11-06 18:59:09,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2019-11-06 18:59:09,800 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 104 [2019-11-06 18:59:09,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:09,801 INFO L462 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2019-11-06 18:59:09,802 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 18:59:09,802 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2019-11-06 18:59:09,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-11-06 18:59:09,811 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:09,812 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:59:09,812 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:09,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:09,813 INFO L82 PathProgramCache]: Analyzing trace with hash -297868677, now seen corresponding path program 1 times [2019-11-06 18:59:09,813 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:09,813 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690688415] [2019-11-06 18:59:09,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:10,085 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:59:10,086 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690688415] [2019-11-06 18:59:10,087 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 18:59:10,088 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-06 18:59:10,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638055480] [2019-11-06 18:59:10,093 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 18:59:10,093 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:10,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 18:59:10,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-11-06 18:59:10,094 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand 8 states. [2019-11-06 18:59:11,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:11,785 INFO L93 Difference]: Finished difference Result 974 states and 1529 transitions. [2019-11-06 18:59:11,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-06 18:59:11,786 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 119 [2019-11-06 18:59:11,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:11,793 INFO L225 Difference]: With dead ends: 974 [2019-11-06 18:59:11,793 INFO L226 Difference]: Without dead ends: 661 [2019-11-06 18:59:11,796 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2019-11-06 18:59:11,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2019-11-06 18:59:11,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 625. [2019-11-06 18:59:11,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2019-11-06 18:59:11,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 924 transitions. [2019-11-06 18:59:11,854 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 924 transitions. Word has length 119 [2019-11-06 18:59:11,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:11,854 INFO L462 AbstractCegarLoop]: Abstraction has 625 states and 924 transitions. [2019-11-06 18:59:11,855 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-06 18:59:11,855 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 924 transitions. [2019-11-06 18:59:11,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-11-06 18:59:11,860 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:11,861 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:59:11,861 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:11,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:11,861 INFO L82 PathProgramCache]: Analyzing trace with hash -734504192, now seen corresponding path program 1 times [2019-11-06 18:59:11,862 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:11,862 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285848414] [2019-11-06 18:59:11,862 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:12,174 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-06 18:59:12,175 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285848414] [2019-11-06 18:59:12,175 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349765581] [2019-11-06 18:59:12,175 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-06 18:59:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:12,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:59:12,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:59:12,359 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:59:12,359 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 18:59:12,359 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 12 [2019-11-06 18:59:12,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177729091] [2019-11-06 18:59:12,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-06 18:59:12,361 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:12,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-06 18:59:12,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2019-11-06 18:59:12,362 INFO L87 Difference]: Start difference. First operand 625 states and 924 transitions. Second operand 12 states. [2019-11-06 18:59:14,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:14,038 INFO L93 Difference]: Finished difference Result 1246 states and 1870 transitions. [2019-11-06 18:59:14,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 18:59:14,039 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 127 [2019-11-06 18:59:14,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:14,044 INFO L225 Difference]: With dead ends: 1246 [2019-11-06 18:59:14,044 INFO L226 Difference]: Without dead ends: 627 [2019-11-06 18:59:14,046 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2019-11-06 18:59:14,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2019-11-06 18:59:14,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 310. [2019-11-06 18:59:14,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2019-11-06 18:59:14,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 437 transitions. [2019-11-06 18:59:14,070 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 437 transitions. Word has length 127 [2019-11-06 18:59:14,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:14,070 INFO L462 AbstractCegarLoop]: Abstraction has 310 states and 437 transitions. [2019-11-06 18:59:14,070 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-06 18:59:14,070 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 437 transitions. [2019-11-06 18:59:14,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-06 18:59:14,072 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:14,073 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:59:14,278 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:14,278 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:14,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:14,279 INFO L82 PathProgramCache]: Analyzing trace with hash -33343506, now seen corresponding path program 1 times [2019-11-06 18:59:14,279 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:14,279 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310030586] [2019-11-06 18:59:14,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:14,482 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:59:14,483 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310030586] [2019-11-06 18:59:14,483 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 18:59:14,483 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 18:59:14,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781091394] [2019-11-06 18:59:14,484 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 18:59:14,485 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:14,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 18:59:14,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-06 18:59:14,485 INFO L87 Difference]: Start difference. First operand 310 states and 437 transitions. Second operand 9 states. [2019-11-06 18:59:16,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:16,505 INFO L93 Difference]: Finished difference Result 1090 states and 1577 transitions. [2019-11-06 18:59:16,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-06 18:59:16,506 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 126 [2019-11-06 18:59:16,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:16,510 INFO L225 Difference]: With dead ends: 1090 [2019-11-06 18:59:16,510 INFO L226 Difference]: Without dead ends: 786 [2019-11-06 18:59:16,512 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2019-11-06 18:59:16,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2019-11-06 18:59:16,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 760. [2019-11-06 18:59:16,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 760 states. [2019-11-06 18:59:16,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1044 transitions. [2019-11-06 18:59:16,550 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1044 transitions. Word has length 126 [2019-11-06 18:59:16,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:16,550 INFO L462 AbstractCegarLoop]: Abstraction has 760 states and 1044 transitions. [2019-11-06 18:59:16,550 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 18:59:16,551 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1044 transitions. [2019-11-06 18:59:16,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-11-06 18:59:16,554 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:16,554 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:59:16,555 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:16,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:16,555 INFO L82 PathProgramCache]: Analyzing trace with hash 683432550, now seen corresponding path program 1 times [2019-11-06 18:59:16,555 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:16,556 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045145090] [2019-11-06 18:59:16,556 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:16,884 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:59:16,885 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045145090] [2019-11-06 18:59:16,885 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920044426] [2019-11-06 18:59:16,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-06 18:59:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:16,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:59:17,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:59:17,063 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:59:17,063 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:59:17,063 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-11-06 18:59:17,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806852061] [2019-11-06 18:59:17,064 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 18:59:17,064 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:17,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 18:59:17,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-06 18:59:17,065 INFO L87 Difference]: Start difference. First operand 760 states and 1044 transitions. Second operand 3 states. [2019-11-06 18:59:17,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:17,544 INFO L93 Difference]: Finished difference Result 2099 states and 2947 transitions. [2019-11-06 18:59:17,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 18:59:17,549 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2019-11-06 18:59:17,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:17,562 INFO L225 Difference]: With dead ends: 2099 [2019-11-06 18:59:17,562 INFO L226 Difference]: Without dead ends: 1345 [2019-11-06 18:59:17,565 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-06 18:59:17,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2019-11-06 18:59:17,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1199. [2019-11-06 18:59:17,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1199 states. [2019-11-06 18:59:17,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 1542 transitions. [2019-11-06 18:59:17,619 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 1542 transitions. Word has length 130 [2019-11-06 18:59:17,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:17,622 INFO L462 AbstractCegarLoop]: Abstraction has 1199 states and 1542 transitions. [2019-11-06 18:59:17,622 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 18:59:17,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1542 transitions. [2019-11-06 18:59:17,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-06 18:59:17,627 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:17,627 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1] [2019-11-06 18:59:17,835 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:17,835 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:17,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:17,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1661178263, now seen corresponding path program 1 times [2019-11-06 18:59:17,836 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:17,836 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580270870] [2019-11-06 18:59:17,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:18,062 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-06 18:59:18,062 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580270870] [2019-11-06 18:59:18,063 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521811197] [2019-11-06 18:59:18,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-06 18:59:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:18,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:59:18,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:59:18,279 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-06 18:59:18,279 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:59:18,280 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-11-06 18:59:18,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101342474] [2019-11-06 18:59:18,281 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 18:59:18,282 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:18,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 18:59:18,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-06 18:59:18,291 INFO L87 Difference]: Start difference. First operand 1199 states and 1542 transitions. Second operand 3 states. [2019-11-06 18:59:18,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:18,878 INFO L93 Difference]: Finished difference Result 2835 states and 3746 transitions. [2019-11-06 18:59:18,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 18:59:18,883 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2019-11-06 18:59:18,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:18,893 INFO L225 Difference]: With dead ends: 2835 [2019-11-06 18:59:18,893 INFO L226 Difference]: Without dead ends: 1642 [2019-11-06 18:59:18,897 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 145 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-06 18:59:18,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1642 states. [2019-11-06 18:59:18,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1642 to 1642. [2019-11-06 18:59:18,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1642 states. [2019-11-06 18:59:18,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1642 states and 2055 transitions. [2019-11-06 18:59:18,951 INFO L78 Accepts]: Start accepts. Automaton has 1642 states and 2055 transitions. Word has length 139 [2019-11-06 18:59:18,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:18,951 INFO L462 AbstractCegarLoop]: Abstraction has 1642 states and 2055 transitions. [2019-11-06 18:59:18,951 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 18:59:18,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 2055 transitions. [2019-11-06 18:59:18,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-06 18:59:18,957 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:18,957 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:59:19,162 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:19,162 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:19,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:19,163 INFO L82 PathProgramCache]: Analyzing trace with hash 593119161, now seen corresponding path program 1 times [2019-11-06 18:59:19,164 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:19,164 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387975258] [2019-11-06 18:59:19,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:19,405 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 18:59:19,405 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387975258] [2019-11-06 18:59:19,406 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284876056] [2019-11-06 18:59:19,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-06 18:59:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:19,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:59:19,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:59:19,549 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:59:19,549 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 18:59:19,550 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 13 [2019-11-06 18:59:19,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089331395] [2019-11-06 18:59:19,551 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-06 18:59:19,551 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:19,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-06 18:59:19,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2019-11-06 18:59:19,552 INFO L87 Difference]: Start difference. First operand 1642 states and 2055 transitions. Second operand 13 states. [2019-11-06 18:59:20,047 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-11-06 18:59:21,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:21,911 INFO L93 Difference]: Finished difference Result 3782 states and 4916 transitions. [2019-11-06 18:59:21,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-06 18:59:21,911 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 155 [2019-11-06 18:59:21,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:21,923 INFO L225 Difference]: With dead ends: 3782 [2019-11-06 18:59:21,923 INFO L226 Difference]: Without dead ends: 2146 [2019-11-06 18:59:21,928 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=202, Invalid=554, Unknown=0, NotChecked=0, Total=756 [2019-11-06 18:59:21,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2146 states. [2019-11-06 18:59:21,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2146 to 1832. [2019-11-06 18:59:21,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1832 states. [2019-11-06 18:59:21,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1832 states and 2338 transitions. [2019-11-06 18:59:21,992 INFO L78 Accepts]: Start accepts. Automaton has 1832 states and 2338 transitions. Word has length 155 [2019-11-06 18:59:21,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:21,993 INFO L462 AbstractCegarLoop]: Abstraction has 1832 states and 2338 transitions. [2019-11-06 18:59:21,993 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-06 18:59:21,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states and 2338 transitions. [2019-11-06 18:59:21,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-11-06 18:59:22,000 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:22,000 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:59:22,204 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:22,204 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:22,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:22,206 INFO L82 PathProgramCache]: Analyzing trace with hash -198506092, now seen corresponding path program 1 times [2019-11-06 18:59:22,206 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:22,207 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335715339] [2019-11-06 18:59:22,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:22,364 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 57 proven. 7 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-06 18:59:22,364 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335715339] [2019-11-06 18:59:22,365 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981754025] [2019-11-06 18:59:22,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-06 18:59:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:22,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-06 18:59:22,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:59:22,513 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-06 18:59:22,514 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:59:22,514 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2019-11-06 18:59:22,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703420946] [2019-11-06 18:59:22,515 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 18:59:22,516 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:22,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 18:59:22,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-06 18:59:22,516 INFO L87 Difference]: Start difference. First operand 1832 states and 2338 transitions. Second operand 5 states. [2019-11-06 18:59:23,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:23,229 INFO L93 Difference]: Finished difference Result 4575 states and 6039 transitions. [2019-11-06 18:59:23,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-06 18:59:23,229 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 163 [2019-11-06 18:59:23,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:23,243 INFO L225 Difference]: With dead ends: 4575 [2019-11-06 18:59:23,243 INFO L226 Difference]: Without dead ends: 2749 [2019-11-06 18:59:23,249 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-11-06 18:59:23,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2749 states. [2019-11-06 18:59:23,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2749 to 2715. [2019-11-06 18:59:23,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2715 states. [2019-11-06 18:59:23,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2715 states and 3333 transitions. [2019-11-06 18:59:23,328 INFO L78 Accepts]: Start accepts. Automaton has 2715 states and 3333 transitions. Word has length 163 [2019-11-06 18:59:23,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:23,328 INFO L462 AbstractCegarLoop]: Abstraction has 2715 states and 3333 transitions. [2019-11-06 18:59:23,328 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 18:59:23,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2715 states and 3333 transitions. [2019-11-06 18:59:23,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-11-06 18:59:23,338 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:59:23,339 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:59:23,551 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:23,551 INFO L410 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:59:23,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:59:23,551 INFO L82 PathProgramCache]: Analyzing trace with hash 590210542, now seen corresponding path program 1 times [2019-11-06 18:59:23,551 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:59:23,552 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227412801] [2019-11-06 18:59:23,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:59:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:23,734 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-06 18:59:23,734 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227412801] [2019-11-06 18:59:23,735 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293389124] [2019-11-06 18:59:23,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-06 18:59:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:59:23,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-06 18:59:23,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:59:23,895 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-06 18:59:23,896 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:59:23,896 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-11-06 18:59:23,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005821679] [2019-11-06 18:59:23,897 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 18:59:23,898 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:59:23,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 18:59:23,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-06 18:59:23,899 INFO L87 Difference]: Start difference. First operand 2715 states and 3333 transitions. Second operand 3 states. [2019-11-06 18:59:24,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:59:24,514 INFO L93 Difference]: Finished difference Result 4684 states and 5764 transitions. [2019-11-06 18:59:24,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 18:59:24,515 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2019-11-06 18:59:24,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:59:24,515 INFO L225 Difference]: With dead ends: 4684 [2019-11-06 18:59:24,516 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 18:59:24,524 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 216 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-06 18:59:24,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 18:59:24,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 18:59:24,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 18:59:24,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 18:59:24,525 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 210 [2019-11-06 18:59:24,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:59:24,525 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 18:59:24,525 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 18:59:24,525 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 18:59:24,526 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 18:59:24,730 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:59:24,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 18:59:25,022 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 106 [2019-11-06 18:59:25,177 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 106 [2019-11-06 18:59:25,626 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 37 [2019-11-06 18:59:25,881 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 31 [2019-11-06 18:59:26,112 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 31 [2019-11-06 18:59:26,115 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 18:59:26,116 INFO L439 ceAbstractionStarter]: 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)|)) [2019-11-06 18:59:26,116 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 18:59:26,116 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,116 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,116 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,116 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,116 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,117 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-06 18:59:26,117 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-06 18:59:26,117 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-06 18:59:26,117 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-06 18:59:26,117 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-06 18:59:26,117 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-06 18:59:26,117 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-06 18:59:26,117 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-06 18:59:26,118 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-06 18:59:26,118 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-06 18:59:26,118 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-06 18:59:26,118 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-06 18:59:26,118 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-06 18:59:26,118 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,118 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,118 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,119 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,119 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-06 18:59:26,119 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,119 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-06 18:59:26,119 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-06 18:59:26,119 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-06 18:59:26,119 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-06 18:59:26,119 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-06 18:59:26,119 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-06 18:59:26,120 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-06 18:59:26,120 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-06 18:59:26,120 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-06 18:59:26,120 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-06 18:59:26,120 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-06 18:59:26,120 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-06 18:59:26,120 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-06 18:59:26,120 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-06 18:59:26,120 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-06 18:59:26,121 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,121 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,121 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,121 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,121 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,121 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 466) no Hoare annotation was computed. [2019-11-06 18:59:26,121 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-06 18:59:26,121 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-06 18:59:26,121 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-06 18:59:26,121 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-06 18:59:26,121 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-06 18:59:26,122 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-06 18:59:26,122 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-06 18:59:26,122 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-06 18:59:26,122 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-06 18:59:26,122 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-06 18:59:26,122 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-06 18:59:26,122 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,122 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,122 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,122 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,122 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,122 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-06 18:59:26,122 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-06 18:59:26,122 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-06 18:59:26,123 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-06 18:59:26,123 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-06 18:59:26,123 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-06 18:59:26,123 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-06 18:59:26,123 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-06 18:59:26,123 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-06 18:59:26,123 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-06 18:59:26,123 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-06 18:59:26,123 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-06 18:59:26,123 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-06 18:59:26,123 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,123 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,123 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,124 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,124 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,124 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-06 18:59:26,124 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-06 18:59:26,124 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-06 18:59:26,124 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-06 18:59:26,124 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-06 18:59:26,124 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-06 18:59:26,124 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-06 18:59:26,124 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-06 18:59:26,124 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-06 18:59:26,124 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-06 18:59:26,124 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-06 18:59:26,124 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-06 18:59:26,124 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-06 18:59:26,125 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-06 18:59:26,125 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-06 18:59:26,125 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-06 18:59:26,125 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,125 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,125 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,125 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,125 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-06 18:59:26,125 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,125 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-06 18:59:26,125 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,125 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-06 18:59:26,125 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-06 18:59:26,125 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-06 18:59:26,125 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,126 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,126 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-06 18:59:26,126 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-06 18:59:26,126 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-06 18:59:26,126 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-06 18:59:26,126 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-06 18:59:26,126 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-06 18:59:26,126 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-06 18:59:26,126 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-06 18:59:26,126 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-06 18:59:26,126 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-06 18:59:26,126 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-06 18:59:26,126 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,126 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,126 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,127 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,127 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,127 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,127 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-06 18:59:26,127 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-06 18:59:26,127 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-06 18:59:26,127 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-06 18:59:26,127 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-06 18:59:26,127 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-06 18:59:26,127 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-06 18:59:26,127 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-06 18:59:26,127 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-06 18:59:26,128 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-06 18:59:26,128 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-06 18:59:26,128 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,128 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,128 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,128 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,128 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,128 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,128 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-06 18:59:26,128 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-06 18:59:26,128 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-06 18:59:26,128 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-06 18:59:26,128 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-06 18:59:26,128 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-06 18:59:26,128 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-06 18:59:26,129 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-06 18:59:26,129 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-06 18:59:26,129 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-06 18:59:26,129 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-06 18:59:26,129 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-06 18:59:26,129 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-06 18:59:26,129 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-06 18:59:26,129 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,129 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,130 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,130 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|)) (.cse5 (= ~a28~0 |old(~a28~0)|)) (.cse6 (= ~a25~0 |old(~a25~0)|))) (let ((.cse2 (not (<= |old(~a25~0)| 0))) (.cse1 (not (<= |old(~a17~0)| 8))) (.cse0 (and .cse3 (= ~a17~0 |old(~a17~0)|) .cse4 .cse5 .cse6))) (and (or (not (= 1 |old(~a25~0)|)) .cse0 .cse1) (or .cse2 (and .cse3 (= ~a17~0 8) .cse4 .cse5 .cse6) (not (= 8 |old(~a17~0)|))) (or (or (not (<= 10 |old(~a28~0)|)) .cse2 .cse1) .cse0)))) [2019-11-06 18:59:26,130 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,130 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,130 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,130 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-06 18:59:26,130 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-06 18:59:26,130 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-06 18:59:26,131 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-06 18:59:26,131 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-06 18:59:26,131 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-06 18:59:26,131 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-06 18:59:26,131 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-06 18:59:26,131 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-06 18:59:26,131 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-06 18:59:26,131 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-06 18:59:26,132 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-06 18:59:26,132 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-06 18:59:26,132 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,132 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,132 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,132 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,132 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,132 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,132 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-06 18:59:26,133 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-06 18:59:26,133 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-06 18:59:26,133 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-06 18:59:26,133 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-06 18:59:26,133 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-06 18:59:26,133 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-06 18:59:26,133 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-06 18:59:26,133 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-06 18:59:26,134 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-06 18:59:26,134 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-06 18:59:26,134 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-06 18:59:26,134 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-06 18:59:26,134 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-06 18:59:26,134 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-06 18:59:26,134 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-06 18:59:26,134 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,134 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,135 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,135 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,135 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:59:26,135 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-06 18:59:26,135 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-06 18:59:26,135 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-06 18:59:26,135 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-06 18:59:26,135 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-06 18:59:26,136 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-06 18:59:26,136 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-06 18:59:26,136 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-06 18:59:26,136 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-06 18:59:26,136 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-06 18:59:26,136 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-06 18:59:26,136 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-06 18:59:26,136 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-06 18:59:26,136 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-06 18:59:26,136 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-06 18:59:26,137 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-06 18:59:26,137 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-06 18:59:26,137 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-06 18:59:26,137 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-06 18:59:26,137 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 18:59:26,137 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a28~0 7) (= ~a17~0 8) (= ~a19~0 1) (not (= ~a19~0 ~a11~0)) (<= ~a25~0 0)) [2019-11-06 18:59:26,137 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 18:59:26,137 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 18:59:26,138 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= 1 |old(~a19~0)|)) (= |old(~a11~0)| |old(~a19~0)|) (not (<= |old(~a25~0)| 0)) (not (= 8 |old(~a17~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|))) [2019-11-06 18:59:26,138 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8)) (.cse1 (<= ~a25~0 0))) (or (not (<= |old(~a28~0)| 7)) (and (= ~a25~0 1) .cse0) (and (<= 10 ~a28~0) .cse1 .cse0) (= |old(~a11~0)| |old(~a19~0)|) (not (<= |old(~a25~0)| 0)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a17~0 8) .cse1))) [2019-11-06 18:59:26,138 INFO L443 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2019-11-06 18:59:26,138 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2019-11-06 18:59:26,138 INFO L439 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8)) (.cse1 (<= ~a25~0 0))) (or (not (<= |old(~a28~0)| 7)) (and (= ~a25~0 1) .cse0) (and (<= 10 ~a28~0) .cse1 .cse0) (= |old(~a11~0)| |old(~a19~0)|) (not (<= |old(~a25~0)| 0)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a17~0 8) .cse1))) [2019-11-06 18:59:26,138 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-11-06 18:59:26,138 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-06 18:59:26,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 06:59:26 BoogieIcfgContainer [2019-11-06 18:59:26,157 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 18:59:26,158 INFO L168 Benchmark]: Toolchain (without parser) took 21000.07 ms. Allocated memory was 135.3 MB in the beginning and 497.0 MB in the end (delta: 361.8 MB). Free memory was 98.2 MB in the beginning and 150.3 MB in the end (delta: -52.1 MB). Peak memory consumption was 309.7 MB. Max. memory is 7.1 GB. [2019-11-06 18:59:26,159 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 135.3 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-06 18:59:26,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 819.37 ms. Allocated memory was 135.3 MB in the beginning and 200.8 MB in the end (delta: 65.5 MB). Free memory was 98.0 MB in the beginning and 164.1 MB in the end (delta: -66.1 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. [2019-11-06 18:59:26,161 INFO L168 Benchmark]: Boogie Preprocessor took 129.81 ms. Allocated memory is still 200.8 MB. Free memory was 164.1 MB in the beginning and 159.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-11-06 18:59:26,162 INFO L168 Benchmark]: RCFGBuilder took 1218.92 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 159.6 MB in the beginning and 175.8 MB in the end (delta: -16.1 MB). Peak memory consumption was 85.8 MB. Max. memory is 7.1 GB. [2019-11-06 18:59:26,163 INFO L168 Benchmark]: TraceAbstraction took 18823.70 ms. Allocated memory was 228.1 MB in the beginning and 497.0 MB in the end (delta: 269.0 MB). Free memory was 175.8 MB in the beginning and 150.3 MB in the end (delta: 25.5 MB). Peak memory consumption was 294.4 MB. Max. memory is 7.1 GB. [2019-11-06 18:59:26,167 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 135.3 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 819.37 ms. Allocated memory was 135.3 MB in the beginning and 200.8 MB in the end (delta: 65.5 MB). Free memory was 98.0 MB in the beginning and 164.1 MB in the end (delta: -66.1 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.81 ms. Allocated memory is still 200.8 MB. Free memory was 164.1 MB in the beginning and 159.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1218.92 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 159.6 MB in the beginning and 175.8 MB in the end (delta: -16.1 MB). Peak memory consumption was 85.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18823.70 ms. Allocated memory was 228.1 MB in the beginning and 497.0 MB in the end (delta: 269.0 MB). Free memory was 175.8 MB in the beginning and 150.3 MB in the end (delta: 25.5 MB). Peak memory consumption was 294.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 466]: 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: ((((((!(\old(a28) <= 7) || (a25 == 1 && a17 <= 8)) || ((10 <= a28 && a25 <= 0) && a17 <= 8)) || \old(a11) == \old(a19)) || !(\old(a25) <= 0)) || !(1 == \old(a19))) || !(8 == \old(a17))) || (a17 == 8 && a25 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Result: SAFE, OverallTime: 18.7s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 11.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, HoareTripleCheckerStatistics: 744 SDtfs, 5314 SDslu, 429 SDs, 0 SdLazy, 6420 SolverSat, 1923 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1061 GetRequests, 965 SyntacticMatches, 5 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2715occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 881 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 82 PreInvPairs, 110 NumberOfFragments, 275 HoareAnnotationTreeSize, 82 FomulaSimplifications, 122025 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6228 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2197 NumberOfCodeBlocks, 2197 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2182 ConstructedInterpolants, 0 QuantifiedInterpolants, 923900 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2429 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 15 InterpolantComputations, 7 PerfectInterpolantSequences, 746/769 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...