java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 17:57:36,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 17:57:36,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 17:57:36,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 17:57:36,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 17:57:36,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 17:57:36,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 17:57:36,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 17:57:36,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 17:57:36,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 17:57:36,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 17:57:36,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 17:57:36,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 17:57:36,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 17:57:36,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 17:57:36,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 17:57:36,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 17:57:36,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 17:57:36,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 17:57:36,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 17:57:36,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 17:57:36,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 17:57:36,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 17:57:36,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 17:57:36,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 17:57:36,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 17:57:36,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 17:57:36,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 17:57:36,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 17:57:36,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 17:57:36,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 17:57:36,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 17:57:36,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 17:57:36,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 17:57:36,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 17:57:36,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 17:57:36,354 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 17:57:36,373 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 17:57:36,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 17:57:36,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 17:57:36,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 17:57:36,376 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 17:57:36,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 17:57:36,377 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 17:57:36,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 17:57:36,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 17:57:36,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 17:57:36,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 17:57:36,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 17:57:36,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 17:57:36,379 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 17:57:36,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 17:57:36,380 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 17:57:36,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 17:57:36,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 17:57:36,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 17:57:36,382 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 17:57:36,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 17:57:36,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 17:57:36,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 17:57:36,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 17:57:36,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 17:57:36,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 17:57:36,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 17:57:36,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 17:57:36,386 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 17:57:36,694 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 17:57:36,714 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 17:57:36,720 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 17:57:36,722 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 17:57:36,722 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 17:57:36,723 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label07.c [2019-10-13 17:57:36,805 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/194530926/c5583ba01918446f944c6be733695188/FLAG8531b9a2a [2019-10-13 17:57:37,338 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 17:57:37,339 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label07.c [2019-10-13 17:57:37,352 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/194530926/c5583ba01918446f944c6be733695188/FLAG8531b9a2a [2019-10-13 17:57:37,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/194530926/c5583ba01918446f944c6be733695188 [2019-10-13 17:57:37,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 17:57:37,636 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 17:57:37,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 17:57:37,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 17:57:37,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 17:57:37,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:57:37" (1/1) ... [2019-10-13 17:57:37,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11d05d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:37, skipping insertion in model container [2019-10-13 17:57:37,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:57:37" (1/1) ... [2019-10-13 17:57:37,650 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 17:57:37,715 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 17:57:38,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:57:38,345 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 17:57:38,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 17:57:38,472 INFO L192 MainTranslator]: Completed translation [2019-10-13 17:57:38,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:38 WrapperNode [2019-10-13 17:57:38,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 17:57:38,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 17:57:38,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 17:57:38,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 17:57:38,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:38" (1/1) ... [2019-10-13 17:57:38,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:38" (1/1) ... [2019-10-13 17:57:38,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:38" (1/1) ... [2019-10-13 17:57:38,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:38" (1/1) ... [2019-10-13 17:57:38,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:38" (1/1) ... [2019-10-13 17:57:38,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:38" (1/1) ... [2019-10-13 17:57:38,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:38" (1/1) ... [2019-10-13 17:57:38,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 17:57:38,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 17:57:38,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 17:57:38,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 17:57:38,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 17:57:38,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 17:57:38,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 17:57:38,672 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 17:57:38,672 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 17:57:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 17:57:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 17:57:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 17:57:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 17:57:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 17:57:38,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 17:57:38,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 17:57:39,853 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 17:57:39,854 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 17:57:39,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:57:39 BoogieIcfgContainer [2019-10-13 17:57:39,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 17:57:39,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 17:57:39,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 17:57:39,860 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 17:57:39,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:57:37" (1/3) ... [2019-10-13 17:57:39,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5ac7d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:57:39, skipping insertion in model container [2019-10-13 17:57:39,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:57:38" (2/3) ... [2019-10-13 17:57:39,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5ac7d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:57:39, skipping insertion in model container [2019-10-13 17:57:39,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:57:39" (3/3) ... [2019-10-13 17:57:39,864 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label07.c [2019-10-13 17:57:39,874 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 17:57:39,883 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 17:57:39,895 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 17:57:39,923 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 17:57:39,924 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 17:57:39,924 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 17:57:39,924 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 17:57:39,924 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 17:57:39,924 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 17:57:39,925 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 17:57:39,925 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 17:57:39,953 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2019-10-13 17:57:39,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 17:57:39,965 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:57:39,966 INFO L380 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] [2019-10-13 17:57:39,967 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:57:39,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:57:39,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1452048058, now seen corresponding path program 1 times [2019-10-13 17:57:39,983 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:57:39,983 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76103777] [2019-10-13 17:57:39,984 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:39,984 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:39,984 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:57:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:40,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:57:40,371 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76103777] [2019-10-13 17:57:40,372 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:57:40,372 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 17:57:40,373 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228450297] [2019-10-13 17:57:40,379 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 17:57:40,380 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:57:40,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 17:57:40,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 17:57:40,397 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2019-10-13 17:57:42,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:57:42,684 INFO L93 Difference]: Finished difference Result 730 states and 1300 transitions. [2019-10-13 17:57:42,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 17:57:42,686 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-10-13 17:57:42,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:57:42,705 INFO L225 Difference]: With dead ends: 730 [2019-10-13 17:57:42,705 INFO L226 Difference]: Without dead ends: 447 [2019-10-13 17:57:42,714 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:57:42,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-10-13 17:57:42,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2019-10-13 17:57:42,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2019-10-13 17:57:42,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 615 transitions. [2019-10-13 17:57:42,806 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 615 transitions. Word has length 51 [2019-10-13 17:57:42,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:57:42,807 INFO L462 AbstractCegarLoop]: Abstraction has 443 states and 615 transitions. [2019-10-13 17:57:42,807 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 17:57:42,807 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 615 transitions. [2019-10-13 17:57:42,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-13 17:57:42,815 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:57:42,819 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:57:42,820 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:57:42,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:57:42,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1838295646, now seen corresponding path program 1 times [2019-10-13 17:57:42,821 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:57:42,823 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710585326] [2019-10-13 17:57:42,823 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:42,823 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:42,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:57:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:43,184 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 17:57:43,184 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710585326] [2019-10-13 17:57:43,185 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596665496] [2019-10-13 17:57:43,185 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 [2019-10-13 17:57:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:43,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:57:43,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:57:43,350 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:57:43,350 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:57:43,351 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2019-10-13 17:57:43,351 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808856627] [2019-10-13 17:57:43,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:57:43,353 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:57:43,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:57:43,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 17:57:43,354 INFO L87 Difference]: Start difference. First operand 443 states and 615 transitions. Second operand 3 states. [2019-10-13 17:57:43,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:57:43,954 INFO L93 Difference]: Finished difference Result 880 states and 1243 transitions. [2019-10-13 17:57:43,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:57:43,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2019-10-13 17:57:43,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:57:43,965 INFO L225 Difference]: With dead ends: 880 [2019-10-13 17:57:43,966 INFO L226 Difference]: Without dead ends: 878 [2019-10-13 17:57:43,967 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 17:57:43,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2019-10-13 17:57:44,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 733. [2019-10-13 17:57:44,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2019-10-13 17:57:44,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1066 transitions. [2019-10-13 17:57:44,021 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1066 transitions. Word has length 121 [2019-10-13 17:57:44,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:57:44,022 INFO L462 AbstractCegarLoop]: Abstraction has 733 states and 1066 transitions. [2019-10-13 17:57:44,022 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:57:44,022 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1066 transitions. [2019-10-13 17:57:44,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-10-13 17:57:44,026 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:57:44,026 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 17:57:44,231 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:57:44,237 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:57:44,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:57:44,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1710375939, now seen corresponding path program 1 times [2019-10-13 17:57:44,237 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:57:44,238 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092969210] [2019-10-13 17:57:44,238 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:44,238 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:44,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:57:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:44,572 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:57:44,573 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092969210] [2019-10-13 17:57:44,573 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 17:57:44,573 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 17:57:44,574 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459081471] [2019-10-13 17:57:44,575 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 17:57:44,584 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:57:44,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 17:57:44,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-13 17:57:44,585 INFO L87 Difference]: Start difference. First operand 733 states and 1066 transitions. Second operand 9 states. [2019-10-13 17:57:45,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:57:45,976 INFO L93 Difference]: Finished difference Result 1784 states and 2650 transitions. [2019-10-13 17:57:45,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 17:57:45,977 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 124 [2019-10-13 17:57:45,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:57:45,984 INFO L225 Difference]: With dead ends: 1784 [2019-10-13 17:57:45,984 INFO L226 Difference]: Without dead ends: 1057 [2019-10-13 17:57:45,987 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2019-10-13 17:57:45,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2019-10-13 17:57:46,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 1035. [2019-10-13 17:57:46,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2019-10-13 17:57:46,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1370 transitions. [2019-10-13 17:57:46,043 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1370 transitions. Word has length 124 [2019-10-13 17:57:46,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:57:46,043 INFO L462 AbstractCegarLoop]: Abstraction has 1035 states and 1370 transitions. [2019-10-13 17:57:46,043 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 17:57:46,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1370 transitions. [2019-10-13 17:57:46,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-10-13 17:57:46,054 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:57:46,054 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2019-10-13 17:57:46,054 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:57:46,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:57:46,055 INFO L82 PathProgramCache]: Analyzing trace with hash -422057098, now seen corresponding path program 1 times [2019-10-13 17:57:46,057 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:57:46,058 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424608397] [2019-10-13 17:57:46,058 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:46,058 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:46,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:57:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:46,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:46,445 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 155 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 17:57:46,469 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424608397] [2019-10-13 17:57:46,469 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200902590] [2019-10-13 17:57:46,470 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 [2019-10-13 17:57:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:46,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:57:46,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:57:46,675 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 156 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 17:57:46,676 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 17:57:46,676 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-13 17:57:46,676 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518281065] [2019-10-13 17:57:46,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 17:57:46,677 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:57:46,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 17:57:46,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 17:57:46,678 INFO L87 Difference]: Start difference. First operand 1035 states and 1370 transitions. Second operand 11 states. [2019-10-13 17:57:50,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:57:50,340 INFO L93 Difference]: Finished difference Result 2746 states and 3948 transitions. [2019-10-13 17:57:50,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-13 17:57:50,340 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 219 [2019-10-13 17:57:50,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:57:50,352 INFO L225 Difference]: With dead ends: 2746 [2019-10-13 17:57:50,352 INFO L226 Difference]: Without dead ends: 1717 [2019-10-13 17:57:50,356 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2019-10-13 17:57:50,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1717 states. [2019-10-13 17:57:50,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1717 to 1395. [2019-10-13 17:57:50,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1395 states. [2019-10-13 17:57:50,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 1791 transitions. [2019-10-13 17:57:50,419 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 1791 transitions. Word has length 219 [2019-10-13 17:57:50,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:57:50,420 INFO L462 AbstractCegarLoop]: Abstraction has 1395 states and 1791 transitions. [2019-10-13 17:57:50,420 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 17:57:50,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1791 transitions. [2019-10-13 17:57:50,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-10-13 17:57:50,426 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 17:57:50,426 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 17:57:50,630 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:57:50,630 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 17:57:50,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 17:57:50,631 INFO L82 PathProgramCache]: Analyzing trace with hash 49734745, now seen corresponding path program 1 times [2019-10-13 17:57:50,631 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 17:57:50,631 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448093982] [2019-10-13 17:57:50,632 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:50,632 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 17:57:50,632 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 17:57:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:50,838 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-13 17:57:50,838 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448093982] [2019-10-13 17:57:50,838 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881749425] [2019-10-13 17:57:50,838 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 [2019-10-13 17:57:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 17:57:50,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 17:57:50,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 17:57:51,005 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-13 17:57:51,006 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 17:57:51,006 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-13 17:57:51,007 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265409359] [2019-10-13 17:57:51,007 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 17:57:51,007 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 17:57:51,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 17:57:51,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:57:51,008 INFO L87 Difference]: Start difference. First operand 1395 states and 1791 transitions. Second operand 3 states. [2019-10-13 17:57:51,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 17:57:51,583 INFO L93 Difference]: Finished difference Result 1840 states and 2402 transitions. [2019-10-13 17:57:51,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 17:57:51,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2019-10-13 17:57:51,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 17:57:51,584 INFO L225 Difference]: With dead ends: 1840 [2019-10-13 17:57:51,584 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 17:57:51,591 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 17:57:51,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 17:57:51,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 17:57:51,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 17:57:51,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 17:57:51,593 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2019-10-13 17:57:51,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 17:57:51,593 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 17:57:51,593 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 17:57:51,593 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 17:57:51,594 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 17:57:51,797 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 17:57:51,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 17:57:52,274 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 29 [2019-10-13 17:57:52,443 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:57:52,443 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2019-10-13 17:57:52,443 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:57:52,443 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-10-13 17:57:52,443 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,444 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,444 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,444 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,444 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,444 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,444 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-10-13 17:57:52,444 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-10-13 17:57:52,444 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-13 17:57:52,445 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-13 17:57:52,445 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-13 17:57:52,445 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-13 17:57:52,445 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-10-13 17:57:52,445 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-13 17:57:52,445 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-10-13 17:57:52,445 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-10-13 17:57:52,445 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-10-13 17:57:52,445 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,445 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,445 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,445 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,446 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,446 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-10-13 17:57:52,446 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-10-13 17:57:52,446 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-10-13 17:57:52,446 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-10-13 17:57:52,446 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-13 17:57:52,446 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-13 17:57:52,446 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-10-13 17:57:52,446 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-13 17:57:52,447 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-10-13 17:57:52,447 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-10-13 17:57:52,447 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-10-13 17:57:52,447 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-10-13 17:57:52,447 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-10-13 17:57:52,447 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-10-13 17:57:52,447 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,447 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,447 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,448 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,448 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,448 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-10-13 17:57:52,448 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-13 17:57:52,448 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-13 17:57:52,448 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-13 17:57:52,448 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-10-13 17:57:52,448 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-10-13 17:57:52,449 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-10-13 17:57:52,449 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-10-13 17:57:52,449 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-10-13 17:57:52,449 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-10-13 17:57:52,449 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,449 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,449 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,449 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,450 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,450 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-10-13 17:57:52,450 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-10-13 17:57:52,450 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-10-13 17:57:52,450 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-13 17:57:52,450 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-13 17:57:52,450 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-13 17:57:52,450 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-10-13 17:57:52,450 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-10-13 17:57:52,450 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-10-13 17:57:52,450 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-10-13 17:57:52,450 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-10-13 17:57:52,451 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-10-13 17:57:52,451 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-10-13 17:57:52,451 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,451 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,451 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,451 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,451 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,451 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-13 17:57:52,451 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-13 17:57:52,452 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-13 17:57:52,452 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-13 17:57:52,452 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-10-13 17:57:52,452 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-10-13 17:57:52,452 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-10-13 17:57:52,452 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-10-13 17:57:52,452 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-10-13 17:57:52,452 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,452 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,453 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,453 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,453 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,453 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,453 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,453 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-10-13 17:57:52,453 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-10-13 17:57:52,453 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-10-13 17:57:52,453 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-10-13 17:57:52,454 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-13 17:57:52,454 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-13 17:57:52,454 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-13 17:57:52,454 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-13 17:57:52,454 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-13 17:57:52,454 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-10-13 17:57:52,454 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-10-13 17:57:52,454 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-10-13 17:57:52,454 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-10-13 17:57:52,454 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,455 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,455 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,455 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,455 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-13 17:57:52,455 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,455 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,455 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-10-13 17:57:52,455 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-10-13 17:57:52,455 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-10-13 17:57:52,456 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-13 17:57:52,456 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-13 17:57:52,456 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-13 17:57:52,456 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-13 17:57:52,456 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-13 17:57:52,456 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-13 17:57:52,456 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-10-13 17:57:52,457 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-10-13 17:57:52,457 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-10-13 17:57:52,457 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-10-13 17:57:52,457 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,457 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,457 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,457 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,457 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,457 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,458 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-10-13 17:57:52,458 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-10-13 17:57:52,458 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-10-13 17:57:52,458 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-13 17:57:52,458 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-13 17:57:52,458 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-13 17:57:52,458 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 17:57:52,458 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-10-13 17:57:52,459 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-13 17:57:52,459 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-10-13 17:57:52,459 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-10-13 17:57:52,459 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse2 (= ~a10~0 |old(~a10~0)|)) (.cse4 (not (<= |old(~a19~0)| 9))) (.cse0 (= 2 |old(~a10~0)|)) (.cse1 (= ~a1~0 |old(~a1~0)|)) (.cse3 (= ~a19~0 |old(~a19~0)|))) (and (or .cse0 (not (<= |old(~a10~0)| 2)) (and .cse1 .cse2 .cse3)) (or (or .cse4 .cse0) (and .cse2 .cse3 .cse1)) (or .cse4 (not (<= 7 |old(~a19~0)|)) (not .cse0) (and .cse1 (= ~a10~0 2) .cse3)))) [2019-10-13 17:57:52,459 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-10-13 17:57:52,459 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-10-13 17:57:52,459 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-10-13 17:57:52,460 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,460 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,460 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,460 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,460 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,460 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,460 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-10-13 17:57:52,460 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-13 17:57:52,461 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-13 17:57:52,461 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-13 17:57:52,461 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-13 17:57:52,461 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-10-13 17:57:52,461 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-10-13 17:57:52,461 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-10-13 17:57:52,461 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-10-13 17:57:52,462 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-10-13 17:57:52,462 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-10-13 17:57:52,462 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-10-13 17:57:52,462 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-10-13 17:57:52,462 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,462 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 139) no Hoare annotation was computed. [2019-10-13 17:57:52,463 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,463 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,463 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,463 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,463 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,463 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-10-13 17:57:52,463 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-10-13 17:57:52,463 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-10-13 17:57:52,464 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-13 17:57:52,464 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-13 17:57:52,464 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-13 17:57:52,464 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-13 17:57:52,464 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-10-13 17:57:52,464 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-13 17:57:52,464 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-10-13 17:57:52,464 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-10-13 17:57:52,465 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-10-13 17:57:52,465 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,465 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,465 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,465 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,465 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,465 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-10-13 17:57:52,465 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-10-13 17:57:52,465 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-10-13 17:57:52,465 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-10-13 17:57:52,465 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-13 17:57:52,466 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-13 17:57:52,466 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-13 17:57:52,466 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-13 17:57:52,466 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-13 17:57:52,466 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-10-13 17:57:52,466 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-10-13 17:57:52,466 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-10-13 17:57:52,466 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-10-13 17:57:52,466 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 17:57:52,466 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a19~0 9) (<= ~a10~0 0) (<= 9 ~a19~0)) [2019-10-13 17:57:52,467 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 17:57:52,467 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 17:57:52,467 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= |old(~a19~0)| 9)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|))) [2019-10-13 17:57:52,467 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2019-10-13 17:57:52,467 INFO L439 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 9)) (.cse0 (not (= ~a10~0 2)))) (or (and .cse0 .cse1) (not (<= |old(~a19~0)| 9)) (and (<= 7 ~a19~0) .cse1) (not (<= |old(~a10~0)| 0)) (and .cse0 (<= ~a10~0 2)) (not (<= 9 |old(~a19~0)|)))) [2019-10-13 17:57:52,467 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-10-13 17:57:52,467 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-10-13 17:57:52,468 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 9)) (.cse0 (not (= ~a10~0 2)))) (or (and .cse0 .cse1) (not (<= |old(~a19~0)| 9)) (and (<= 7 ~a19~0) .cse1) (not (<= |old(~a10~0)| 0)) (and .cse0 (<= ~a10~0 2)) (not (<= 9 |old(~a19~0)|)))) [2019-10-13 17:57:52,468 INFO L443 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2019-10-13 17:57:52,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 05:57:52 BoogieIcfgContainer [2019-10-13 17:57:52,484 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 17:57:52,486 INFO L168 Benchmark]: Toolchain (without parser) took 14850.74 ms. Allocated memory was 137.9 MB in the beginning and 426.8 MB in the end (delta: 288.9 MB). Free memory was 101.2 MB in the beginning and 117.7 MB in the end (delta: -16.5 MB). Peak memory consumption was 272.4 MB. Max. memory is 7.1 GB. [2019-10-13 17:57:52,487 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 137.9 MB. Free memory was 121.2 MB in the beginning and 120.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 17:57:52,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 836.50 ms. Allocated memory was 137.9 MB in the beginning and 204.5 MB in the end (delta: 66.6 MB). Free memory was 101.0 MB in the beginning and 170.6 MB in the end (delta: -69.7 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2019-10-13 17:57:52,489 INFO L168 Benchmark]: Boogie Preprocessor took 128.45 ms. Allocated memory is still 204.5 MB. Free memory was 170.6 MB in the beginning and 165.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-10-13 17:57:52,490 INFO L168 Benchmark]: RCFGBuilder took 1253.42 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 165.6 MB in the beginning and 181.9 MB in the end (delta: -16.2 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2019-10-13 17:57:52,491 INFO L168 Benchmark]: TraceAbstraction took 12628.14 ms. Allocated memory was 236.5 MB in the beginning and 426.8 MB in the end (delta: 190.3 MB). Free memory was 181.9 MB in the beginning and 117.7 MB in the end (delta: 64.2 MB). Peak memory consumption was 254.5 MB. Max. memory is 7.1 GB. [2019-10-13 17:57:52,495 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 137.9 MB. Free memory was 121.2 MB in the beginning and 120.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 836.50 ms. Allocated memory was 137.9 MB in the beginning and 204.5 MB in the end (delta: 66.6 MB). Free memory was 101.0 MB in the beginning and 170.6 MB in the end (delta: -69.7 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.45 ms. Allocated memory is still 204.5 MB. Free memory was 170.6 MB in the beginning and 165.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1253.42 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 165.6 MB in the beginning and 181.9 MB in the end (delta: -16.2 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12628.14 ms. Allocated memory was 236.5 MB in the beginning and 426.8 MB in the end (delta: 190.3 MB). Free memory was 181.9 MB in the beginning and 117.7 MB in the end (delta: 64.2 MB). Peak memory consumption was 254.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 139]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((!(a10 == 2) && a19 <= 9) || !(\old(a19) <= 9)) || (7 <= a19 && a19 <= 9)) || !(\old(a10) <= 0)) || (!(a10 == 2) && a10 <= 2)) || !(9 <= \old(a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Result: SAFE, OverallTime: 12.5s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 159 SDtfs, 2563 SDslu, 226 SDs, 0 SdLazy, 4953 SolverSat, 1139 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 643 GetRequests, 591 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1395occurred 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, 493 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 43 PreInvPairs, 91 NumberOfFragments, 198 HoareAnnotationTreeSize, 43 FomulaSimplifications, 7930 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1010 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1307 NumberOfCodeBlocks, 1307 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1299 ConstructedInterpolants, 0 QuantifiedInterpolants, 561792 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1050 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 771/778 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...