/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/Problem01_label13.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 18:55:30,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 18:55:30,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 18:55:30,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-06 18:55:30,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 18:55:30,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 18:55:30,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 18:55:30,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 18:55:30,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 18:55:30,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 18:55:30,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 18:55:30,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 18:55:30,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 18:55:30,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 18:55:30,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 18:55:30,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 18:55:30,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-06 18:55:30,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 18:55:30,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 18:55:30,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 18:55:30,426 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 18:55:30,448 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 18:55:30,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 18:55:30,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 18:55:30,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 18:55:30,450 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 18:55:30,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 18:55:30,451 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 18:55:30,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 18:55:30,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 18:55:30,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 18:55:30,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 18:55:30,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 18:55:30,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 18:55:30,454 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 18:55:30,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 18:55:30,454 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 18:55:30,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 18:55:30,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 18:55:30,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 18:55:30,455 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 18:55:30,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 18:55:30,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 18:55:30,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 18:55:30,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 18:55:30,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 18:55:30,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 18:55:30,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 18:55:30,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 18:55:30,457 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 18:55:30,773 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 18:55:30,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 18:55:30,788 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 18:55:30,790 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 18:55:30,790 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 18:55:30,791 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label13.c [2019-11-06 18:55:30,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce7645643/6b59c589dabf4f4a894cb8a2ff0f71fd/FLAG70793c651 [2019-11-06 18:55:31,383 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 18:55:31,386 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label13.c [2019-11-06 18:55:31,402 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce7645643/6b59c589dabf4f4a894cb8a2ff0f71fd/FLAG70793c651 [2019-11-06 18:55:31,614 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce7645643/6b59c589dabf4f4a894cb8a2ff0f71fd [2019-11-06 18:55:31,622 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 18:55:31,624 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 18:55:31,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 18:55:31,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 18:55:31,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 18:55:31,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:55:31" (1/1) ... [2019-11-06 18:55:31,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e7dad74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:31, skipping insertion in model container [2019-11-06 18:55:31,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:55:31" (1/1) ... [2019-11-06 18:55:31,640 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 18:55:31,686 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 18:55:32,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 18:55:32,184 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 18:55:32,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 18:55:32,320 INFO L192 MainTranslator]: Completed translation [2019-11-06 18:55:32,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:32 WrapperNode [2019-11-06 18:55:32,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 18:55:32,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 18:55:32,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 18:55:32,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 18:55:32,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:32" (1/1) ... [2019-11-06 18:55:32,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:32" (1/1) ... [2019-11-06 18:55:32,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:32" (1/1) ... [2019-11-06 18:55:32,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:32" (1/1) ... [2019-11-06 18:55:32,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:32" (1/1) ... [2019-11-06 18:55:32,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:32" (1/1) ... [2019-11-06 18:55:32,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:32" (1/1) ... [2019-11-06 18:55:32,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 18:55:32,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 18:55:32,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 18:55:32,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 18:55:32,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:32" (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 18:55:32,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 18:55:32,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 18:55:32,544 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-06 18:55:32,544 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 18:55:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-06 18:55:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 18:55:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 18:55:32,545 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 18:55:32,546 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 18:55:32,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 18:55:32,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 18:55:33,713 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 18:55:33,713 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 18:55:33,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:55:33 BoogieIcfgContainer [2019-11-06 18:55:33,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 18:55:33,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 18:55:33,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 18:55:33,721 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 18:55:33,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 06:55:31" (1/3) ... [2019-11-06 18:55:33,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5268f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:55:33, skipping insertion in model container [2019-11-06 18:55:33,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:32" (2/3) ... [2019-11-06 18:55:33,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5268f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:55:33, skipping insertion in model container [2019-11-06 18:55:33,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:55:33" (3/3) ... [2019-11-06 18:55:33,725 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label13.c [2019-11-06 18:55:33,737 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 18:55:33,746 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 18:55:33,759 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 18:55:33,787 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 18:55:33,787 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 18:55:33,787 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 18:55:33,788 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 18:55:33,788 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 18:55:33,788 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 18:55:33,788 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 18:55:33,788 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 18:55:33,813 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2019-11-06 18:55:33,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-11-06 18:55:33,827 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:55:33,828 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, 1, 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 18:55:33,830 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:55:33,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:55:33,837 INFO L82 PathProgramCache]: Analyzing trace with hash -2118591881, now seen corresponding path program 1 times [2019-11-06 18:55:33,846 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:55:33,846 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495166630] [2019-11-06 18:55:33,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:55:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:34,447 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 18:55:34,448 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495166630] [2019-11-06 18:55:34,449 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 18:55:34,449 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 18:55:34,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926042503] [2019-11-06 18:55:34,457 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 18:55:34,457 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:55:34,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 18:55:34,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 18:55:34,475 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2019-11-06 18:55:36,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:55:36,047 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2019-11-06 18:55:36,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 18:55:36,051 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2019-11-06 18:55:36,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:55:36,067 INFO L225 Difference]: With dead ends: 557 [2019-11-06 18:55:36,067 INFO L226 Difference]: Without dead ends: 286 [2019-11-06 18:55:36,075 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 18:55:36,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-11-06 18:55:36,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2019-11-06 18:55:36,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-11-06 18:55:36,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 408 transitions. [2019-11-06 18:55:36,151 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 408 transitions. Word has length 129 [2019-11-06 18:55:36,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:55:36,152 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 408 transitions. [2019-11-06 18:55:36,153 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 18:55:36,153 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 408 transitions. [2019-11-06 18:55:36,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-06 18:55:36,158 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:55:36,158 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 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 18:55:36,158 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:55:36,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:55:36,159 INFO L82 PathProgramCache]: Analyzing trace with hash -2105809670, now seen corresponding path program 1 times [2019-11-06 18:55:36,159 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:55:36,159 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252260989] [2019-11-06 18:55:36,159 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:55:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:36,446 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:55:36,446 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252260989] [2019-11-06 18:55:36,446 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 18:55:36,447 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-06 18:55:36,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453219093] [2019-11-06 18:55:36,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 18:55:36,449 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:55:36,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 18:55:36,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-06 18:55:36,450 INFO L87 Difference]: Start difference. First operand 280 states and 408 transitions. Second operand 8 states. [2019-11-06 18:55:38,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:55:38,358 INFO L93 Difference]: Finished difference Result 987 states and 1481 transitions. [2019-11-06 18:55:38,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-06 18:55:38,358 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2019-11-06 18:55:38,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:55:38,366 INFO L225 Difference]: With dead ends: 987 [2019-11-06 18:55:38,366 INFO L226 Difference]: Without dead ends: 713 [2019-11-06 18:55:38,369 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2019-11-06 18:55:38,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2019-11-06 18:55:38,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 699. [2019-11-06 18:55:38,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-11-06 18:55:38,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 978 transitions. [2019-11-06 18:55:38,423 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 978 transitions. Word has length 138 [2019-11-06 18:55:38,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:55:38,423 INFO L462 AbstractCegarLoop]: Abstraction has 699 states and 978 transitions. [2019-11-06 18:55:38,423 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-06 18:55:38,424 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 978 transitions. [2019-11-06 18:55:38,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-11-06 18:55:38,430 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:55:38,430 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 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 18:55:38,431 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:55:38,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:55:38,431 INFO L82 PathProgramCache]: Analyzing trace with hash 600184111, now seen corresponding path program 1 times [2019-11-06 18:55:38,431 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:55:38,432 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957050099] [2019-11-06 18:55:38,432 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:55:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:38,666 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 18:55:38,666 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957050099] [2019-11-06 18:55:38,667 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29815305] [2019-11-06 18:55:38,667 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 18:55:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:38,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:55:38,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:55:38,901 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-06 18:55:38,901 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:55:38,901 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2019-11-06 18:55:38,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610699119] [2019-11-06 18:55:38,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 18:55:38,903 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:55:38,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 18:55:38,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-11-06 18:55:38,904 INFO L87 Difference]: Start difference. First operand 699 states and 978 transitions. Second operand 3 states. [2019-11-06 18:55:39,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:55:39,485 INFO L93 Difference]: Finished difference Result 2079 states and 2984 transitions. [2019-11-06 18:55:39,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 18:55:39,486 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2019-11-06 18:55:39,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:55:39,495 INFO L225 Difference]: With dead ends: 2079 [2019-11-06 18:55:39,496 INFO L226 Difference]: Without dead ends: 1386 [2019-11-06 18:55:39,498 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-11-06 18:55:39,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1386 states. [2019-11-06 18:55:39,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1386 to 1112. [2019-11-06 18:55:39,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2019-11-06 18:55:39,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1528 transitions. [2019-11-06 18:55:39,559 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1528 transitions. Word has length 163 [2019-11-06 18:55:39,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:55:39,562 INFO L462 AbstractCegarLoop]: Abstraction has 1112 states and 1528 transitions. [2019-11-06 18:55:39,562 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 18:55:39,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1528 transitions. [2019-11-06 18:55:39,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-11-06 18:55:39,572 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:55:39,573 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-06 18:55:39,777 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:55:39,778 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:55:39,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:55:39,779 INFO L82 PathProgramCache]: Analyzing trace with hash 1121452227, now seen corresponding path program 1 times [2019-11-06 18:55:39,779 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:55:39,780 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141465719] [2019-11-06 18:55:39,780 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:55:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:40,095 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 18:55:40,096 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141465719] [2019-11-06 18:55:40,096 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332146675] [2019-11-06 18:55:40,097 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 18:55:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:40,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:55:40,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:55:40,325 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:55:40,326 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 18:55:40,326 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-11-06 18:55:40,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748298905] [2019-11-06 18:55:40,328 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 18:55:40,329 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:55:40,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 18:55:40,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-11-06 18:55:40,329 INFO L87 Difference]: Start difference. First operand 1112 states and 1528 transitions. Second operand 11 states. [2019-11-06 18:55:44,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:55:44,710 INFO L93 Difference]: Finished difference Result 3532 states and 5712 transitions. [2019-11-06 18:55:44,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2019-11-06 18:55:44,711 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 212 [2019-11-06 18:55:44,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:55:44,732 INFO L225 Difference]: With dead ends: 3532 [2019-11-06 18:55:44,732 INFO L226 Difference]: Without dead ends: 2426 [2019-11-06 18:55:44,738 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=268, Invalid=992, Unknown=0, NotChecked=0, Total=1260 [2019-11-06 18:55:44,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2426 states. [2019-11-06 18:55:44,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2426 to 1563. [2019-11-06 18:55:44,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1563 states. [2019-11-06 18:55:44,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1563 states and 2099 transitions. [2019-11-06 18:55:44,846 INFO L78 Accepts]: Start accepts. Automaton has 1563 states and 2099 transitions. Word has length 212 [2019-11-06 18:55:44,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:55:44,846 INFO L462 AbstractCegarLoop]: Abstraction has 1563 states and 2099 transitions. [2019-11-06 18:55:44,847 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 18:55:44,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 2099 transitions. [2019-11-06 18:55:44,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-11-06 18:55:44,853 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:55:44,853 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-06 18:55:45,057 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:55:45,058 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:55:45,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:55:45,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1334176843, now seen corresponding path program 1 times [2019-11-06 18:55:45,059 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:55:45,059 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198647121] [2019-11-06 18:55:45,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:55:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:45,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:45,313 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-06 18:55:45,313 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198647121] [2019-11-06 18:55:45,314 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124656051] [2019-11-06 18:55:45,314 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 18:55:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:45,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:55:45,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:55:45,488 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-06 18:55:45,489 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:55:45,489 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2019-11-06 18:55:45,489 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534604367] [2019-11-06 18:55:45,490 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 18:55:45,490 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:55:45,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 18:55:45,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-06 18:55:45,491 INFO L87 Difference]: Start difference. First operand 1563 states and 2099 transitions. Second operand 3 states. [2019-11-06 18:55:46,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:55:46,012 INFO L93 Difference]: Finished difference Result 2266 states and 3014 transitions. [2019-11-06 18:55:46,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 18:55:46,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 216 [2019-11-06 18:55:46,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:55:46,014 INFO L225 Difference]: With dead ends: 2266 [2019-11-06 18:55:46,014 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 18:55:46,019 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 221 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-06 18:55:46,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 18:55:46,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 18:55:46,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 18:55:46,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 18:55:46,020 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 216 [2019-11-06 18:55:46,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:55:46,020 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 18:55:46,020 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 18:55:46,020 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 18:55:46,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 18:55:46,221 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:55:46,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 18:55:46,492 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 17 [2019-11-06 18:55:46,618 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 17 [2019-11-06 18:55:46,973 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 38 [2019-11-06 18:55:47,054 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 18:55:47,054 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~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)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2019-11-06 18:55:47,055 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 18:55:47,055 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-11-06 18:55:47,055 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2019-11-06 18:55:47,055 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-11-06 18:55:47,055 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,056 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,056 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,056 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,056 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,056 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,056 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-11-06 18:55:47,056 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-11-06 18:55:47,057 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-11-06 18:55:47,057 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-11-06 18:55:47,057 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-11-06 18:55:47,057 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-11-06 18:55:47,057 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-11-06 18:55:47,057 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-11-06 18:55:47,057 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-11-06 18:55:47,058 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-11-06 18:55:47,058 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,058 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,058 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,058 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,058 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,058 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,059 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-11-06 18:55:47,059 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-11-06 18:55:47,059 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-11-06 18:55:47,059 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-11-06 18:55:47,059 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-11-06 18:55:47,059 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-11-06 18:55:47,059 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-11-06 18:55:47,059 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-11-06 18:55:47,060 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-11-06 18:55:47,060 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-11-06 18:55:47,060 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-11-06 18:55:47,060 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-11-06 18:55:47,060 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-11-06 18:55:47,060 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-11-06 18:55:47,060 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-11-06 18:55:47,060 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,061 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,061 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,061 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,061 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,061 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-11-06 18:55:47,061 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-11-06 18:55:47,061 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-11-06 18:55:47,061 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-11-06 18:55:47,062 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-11-06 18:55:47,062 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-11-06 18:55:47,062 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-11-06 18:55:47,062 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-11-06 18:55:47,062 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-11-06 18:55:47,062 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,062 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,062 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,063 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,063 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,063 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-11-06 18:55:47,063 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-11-06 18:55:47,063 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-11-06 18:55:47,063 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-11-06 18:55:47,063 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-11-06 18:55:47,063 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-11-06 18:55:47,064 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-11-06 18:55:47,064 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-11-06 18:55:47,064 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-11-06 18:55:47,064 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-11-06 18:55:47,064 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-11-06 18:55:47,064 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-11-06 18:55:47,064 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-11-06 18:55:47,064 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,065 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,065 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,065 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,065 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,065 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-11-06 18:55:47,065 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-11-06 18:55:47,065 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-11-06 18:55:47,066 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-11-06 18:55:47,066 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-11-06 18:55:47,066 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-11-06 18:55:47,066 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-11-06 18:55:47,066 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-11-06 18:55:47,066 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-11-06 18:55:47,066 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,067 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,067 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,067 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,067 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,067 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,067 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-11-06 18:55:47,067 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,067 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-11-06 18:55:47,068 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-11-06 18:55:47,068 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-11-06 18:55:47,068 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-11-06 18:55:47,068 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-11-06 18:55:47,068 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-11-06 18:55:47,068 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-11-06 18:55:47,068 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-11-06 18:55:47,068 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-11-06 18:55:47,069 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-11-06 18:55:47,069 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-11-06 18:55:47,069 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-11-06 18:55:47,069 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-11-06 18:55:47,069 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,069 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,069 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,070 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,070 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,070 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-11-06 18:55:47,070 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-11-06 18:55:47,070 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-11-06 18:55:47,070 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-11-06 18:55:47,070 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-11-06 18:55:47,070 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-11-06 18:55:47,071 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-11-06 18:55:47,071 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-11-06 18:55:47,071 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,071 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,071 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,071 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,071 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,071 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-11-06 18:55:47,071 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-11-06 18:55:47,072 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-11-06 18:55:47,072 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-11-06 18:55:47,072 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-11-06 18:55:47,072 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-11-06 18:55:47,072 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-11-06 18:55:47,072 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-11-06 18:55:47,072 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-11-06 18:55:47,072 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-11-06 18:55:47,073 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~a21~0)|))) (.cse1 (and (= ~a21~0 |old(~a21~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|)))) (and (or .cse0 (not (<= |old(~a7~0)| 0)) .cse1) (or .cse1 (not (<= |old(~a16~0)| 5))) (or (not (<= |old(~a17~0)| 0)) .cse1) (or .cse0 .cse1 (not (<= 15 |old(~a8~0)|))))) [2019-11-06 18:55:47,073 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-11-06 18:55:47,073 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,073 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,073 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,073 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,074 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-11-06 18:55:47,074 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,074 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,074 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-11-06 18:55:47,074 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-11-06 18:55:47,074 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-11-06 18:55:47,074 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-11-06 18:55:47,074 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-11-06 18:55:47,075 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-11-06 18:55:47,075 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-11-06 18:55:47,075 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-11-06 18:55:47,075 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-11-06 18:55:47,075 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-11-06 18:55:47,075 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-11-06 18:55:47,075 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-11-06 18:55:47,075 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,076 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,076 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,076 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,076 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,076 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-11-06 18:55:47,076 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,076 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-11-06 18:55:47,076 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-11-06 18:55:47,076 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-11-06 18:55:47,077 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-11-06 18:55:47,077 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-11-06 18:55:47,077 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-11-06 18:55:47,077 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-11-06 18:55:47,077 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-11-06 18:55:47,077 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-11-06 18:55:47,077 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-11-06 18:55:47,077 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-11-06 18:55:47,078 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-11-06 18:55:47,078 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-11-06 18:55:47,078 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-11-06 18:55:47,078 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,078 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,078 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,078 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,078 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,079 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:47,079 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-11-06 18:55:47,079 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-11-06 18:55:47,079 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-11-06 18:55:47,079 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-06 18:55:47,079 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-11-06 18:55:47,079 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-11-06 18:55:47,080 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-11-06 18:55:47,080 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-11-06 18:55:47,080 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-11-06 18:55:47,080 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-11-06 18:55:47,080 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 18:55:47,080 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 15 ~a8~0) (<= ~a16~0 5) (= ~a21~0 1) (<= ~a7~0 0)) [2019-11-06 18:55:47,080 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 18:55:47,081 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 18:55:47,081 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a21~0)|)) (not (<= |old(~a16~0)| 5)) (and (= ~a21~0 |old(~a21~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= 15 |old(~a8~0)|))) [2019-11-06 18:55:47,081 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-11-06 18:55:47,081 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1))) (or (not (= 1 |old(~a21~0)|)) (not (<= |old(~a16~0)| 5)) (and (<= 15 ~a8~0) .cse0) (and .cse0 (<= ~a7~0 0)) (<= ~a16~0 5) (not (<= |old(~a7~0)| 0)) (<= ~a17~0 0) (not (<= 15 |old(~a8~0)|)))) [2019-11-06 18:55:47,081 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-11-06 18:55:47,081 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-11-06 18:55:47,082 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1))) (or (not (= 1 |old(~a21~0)|)) (not (<= |old(~a16~0)| 5)) (and (<= 15 ~a8~0) .cse0) (and .cse0 (<= ~a7~0 0)) (<= ~a16~0 5) (not (<= |old(~a7~0)| 0)) (<= ~a17~0 0) (not (<= 15 |old(~a8~0)|)))) [2019-11-06 18:55:47,082 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-11-06 18:55:47,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 06:55:47 BoogieIcfgContainer [2019-11-06 18:55:47,112 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 18:55:47,116 INFO L168 Benchmark]: Toolchain (without parser) took 15491.26 ms. Allocated memory was 137.9 MB in the beginning and 423.6 MB in the end (delta: 285.7 MB). Free memory was 101.4 MB in the beginning and 85.0 MB in the end (delta: 16.4 MB). Peak memory consumption was 302.1 MB. Max. memory is 7.1 GB. [2019-11-06 18:55:47,119 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 137.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-06 18:55:47,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.76 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 101.0 MB in the beginning and 169.0 MB in the end (delta: -68.0 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. [2019-11-06 18:55:47,124 INFO L168 Benchmark]: Boogie Preprocessor took 156.27 ms. Allocated memory is still 202.9 MB. Free memory was 169.0 MB in the beginning and 163.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-11-06 18:55:47,125 INFO L168 Benchmark]: RCFGBuilder took 1237.60 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 163.8 MB in the beginning and 179.2 MB in the end (delta: -15.4 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2019-11-06 18:55:47,127 INFO L168 Benchmark]: TraceAbstraction took 13395.63 ms. Allocated memory was 234.9 MB in the beginning and 423.6 MB in the end (delta: 188.7 MB). Free memory was 179.2 MB in the beginning and 85.0 MB in the end (delta: 94.2 MB). Peak memory consumption was 282.9 MB. Max. memory is 7.1 GB. [2019-11-06 18:55:47,137 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 137.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 695.76 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 101.0 MB in the beginning and 169.0 MB in the end (delta: -68.0 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 156.27 ms. Allocated memory is still 202.9 MB. Free memory was 169.0 MB in the beginning and 163.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1237.60 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 163.8 MB in the beginning and 179.2 MB in the end (delta: -15.4 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13395.63 ms. Allocated memory was 234.9 MB in the beginning and 423.6 MB in the end (delta: 188.7 MB). Free memory was 179.2 MB in the beginning and 85.0 MB in the end (delta: 94.2 MB). Peak memory consumption was 282.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 545]: 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: 583]: Loop Invariant Derived loop invariant: ((((((!(1 == \old(a21)) || !(\old(a16) <= 5)) || (15 <= a8 && a21 == 1)) || (a21 == 1 && a7 <= 0)) || a16 <= 5) || !(\old(a7) <= 0)) || a17 <= 0) || !(15 <= \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Result: SAFE, OverallTime: 13.2s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 9.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, HoareTripleCheckerStatistics: 360 SDtfs, 2378 SDslu, 249 SDs, 0 SdLazy, 4815 SolverSat, 1207 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 685 GetRequests, 622 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1563occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 1157 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 39 PreInvPairs, 73 NumberOfFragments, 287 HoareAnnotationTreeSize, 39 FomulaSimplifications, 36522 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1583 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1449 NumberOfCodeBlocks, 1449 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1441 ConstructedInterpolants, 0 QuantifiedInterpolants, 701952 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1456 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 444/452 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...