/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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:37:33,518 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2019-11-07 01:37:33,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:37:33,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:37:33,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:37:33,608 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 [2019-11-07 01:37:33,636 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:37:33,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:37:33,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:37:33,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:37:33,638 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:37:33,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:37:33,639 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:37:33,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:37:33,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:37:33,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:37:33,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:37:33,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:37:33,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:37:33,640 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:37:33,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:37:33,640 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:37:33,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:37:33,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:37:33,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:37:33,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:37:33,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:37:33,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:37:33,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:37:33,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:37:33,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:37:33,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:37:33,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:37:33,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:37:33,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 01:37:33,992 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:37:34,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:37:34,018 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:37:34,020 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:37:34,021 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:37:34,022 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label07.c [2019-11-07 01:37:34,095 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3290e762d/c8bd5661274944bc940bb36ab4cbed4c/FLAG5481ee503 [2019-11-07 01:37:34,627 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:37:34,628 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label07.c [2019-11-07 01:37:34,650 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3290e762d/c8bd5661274944bc940bb36ab4cbed4c/FLAG5481ee503 [2019-11-07 01:37:34,893 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3290e762d/c8bd5661274944bc940bb36ab4cbed4c [2019-11-07 01:37:34,904 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:37:34,906 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:37:34,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:37:34,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:37:34,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:37:34,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:37:34" (1/1) ... [2019-11-07 01:37:34,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2efb5486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:37:34, skipping insertion in model container [2019-11-07 01:37:34,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:37:34" (1/1) ... [2019-11-07 01:37:34,924 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:37:34,983 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:37:35,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:37:35,423 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:37:35,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:37:35,689 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:37:35,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:37:35 WrapperNode [2019-11-07 01:37:35,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:37:35,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:37:35,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:37:35,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:37:35,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:37:35" (1/1) ... [2019-11-07 01:37:35,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:37:35" (1/1) ... [2019-11-07 01:37:35,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:37:35" (1/1) ... [2019-11-07 01:37:35,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:37:35" (1/1) ... [2019-11-07 01:37:35,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:37:35" (1/1) ... [2019-11-07 01:37:35,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:37:35" (1/1) ... [2019-11-07 01:37:35,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:37:35" (1/1) ... [2019-11-07 01:37:35,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:37:35,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:37:35,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:37:35,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:37:35,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:37:35" (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 [2019-11-07 01:37:35,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:37:35,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:37:35,848 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 01:37:35,849 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:37:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 01:37:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:37:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:37:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 01:37:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:37:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:37:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:37:37,874 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:37:37,874 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 01:37:37,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:37:37 BoogieIcfgContainer [2019-11-07 01:37:37,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:37:37,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:37:37,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:37:37,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:37:37,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:37:34" (1/3) ... [2019-11-07 01:37:37,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a2fc53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:37:37, skipping insertion in model container [2019-11-07 01:37:37,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:37:35" (2/3) ... [2019-11-07 01:37:37,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a2fc53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:37:37, skipping insertion in model container [2019-11-07 01:37:37,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:37:37" (3/3) ... [2019-11-07 01:37:37,885 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label07.c [2019-11-07 01:37:37,895 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:37:37,903 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:37:37,915 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:37:37,941 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:37:37,941 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:37:37,941 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:37:37,942 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:37:37,942 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:37:37,942 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:37:37,942 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:37:37,942 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:37:37,963 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2019-11-07 01:37:37,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-07 01:37:37,973 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:37:37,975 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] [2019-11-07 01:37:37,976 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:37:37,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:37:37,982 INFO L82 PathProgramCache]: Analyzing trace with hash -219355593, now seen corresponding path program 1 times [2019-11-07 01:37:37,992 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:37:37,992 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592244908] [2019-11-07 01:37:37,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:37:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:37:38,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:37:38,410 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592244908] [2019-11-07 01:37:38,411 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:37:38,411 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:37:38,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800968728] [2019-11-07 01:37:38,418 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:37:38,419 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:37:38,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:37:38,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:37:38,436 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 3 states. [2019-11-07 01:37:39,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:37:39,040 INFO L93 Difference]: Finished difference Result 273 states and 508 transitions. [2019-11-07 01:37:39,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:37:39,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2019-11-07 01:37:39,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:37:39,064 INFO L225 Difference]: With dead ends: 273 [2019-11-07 01:37:39,064 INFO L226 Difference]: Without dead ends: 175 [2019-11-07 01:37:39,071 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:37:39,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-11-07 01:37:39,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2019-11-07 01:37:39,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2019-11-07 01:37:39,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 317 transitions. [2019-11-07 01:37:39,137 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 317 transitions. Word has length 86 [2019-11-07 01:37:39,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:37:39,138 INFO L462 AbstractCegarLoop]: Abstraction has 175 states and 317 transitions. [2019-11-07 01:37:39,138 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:37:39,138 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 317 transitions. [2019-11-07 01:37:39,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-07 01:37:39,144 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:37:39,144 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-07 01:37:39,144 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:37:39,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:37:39,145 INFO L82 PathProgramCache]: Analyzing trace with hash -2133048630, now seen corresponding path program 1 times [2019-11-07 01:37:39,145 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:37:39,145 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645083168] [2019-11-07 01:37:39,146 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:37:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:37:39,313 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:37:39,313 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645083168] [2019-11-07 01:37:39,313 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:37:39,314 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:37:39,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56001545] [2019-11-07 01:37:39,316 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:37:39,316 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:37:39,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:37:39,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:37:39,317 INFO L87 Difference]: Start difference. First operand 175 states and 317 transitions. Second operand 3 states. [2019-11-07 01:37:39,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:37:39,725 INFO L93 Difference]: Finished difference Result 513 states and 950 transitions. [2019-11-07 01:37:39,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:37:39,726 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2019-11-07 01:37:39,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:37:39,731 INFO L225 Difference]: With dead ends: 513 [2019-11-07 01:37:39,731 INFO L226 Difference]: Without dead ends: 343 [2019-11-07 01:37:39,733 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:37:39,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2019-11-07 01:37:39,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2019-11-07 01:37:39,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2019-11-07 01:37:39,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 603 transitions. [2019-11-07 01:37:39,772 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 603 transitions. Word has length 99 [2019-11-07 01:37:39,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:37:39,773 INFO L462 AbstractCegarLoop]: Abstraction has 343 states and 603 transitions. [2019-11-07 01:37:39,773 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:37:39,773 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 603 transitions. [2019-11-07 01:37:39,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-11-07 01:37:39,782 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:37:39,786 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:37:39,786 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:37:39,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:37:39,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1238742912, now seen corresponding path program 1 times [2019-11-07 01:37:39,787 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:37:39,787 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626848645] [2019-11-07 01:37:39,787 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:37:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:37:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-07 01:37:40,049 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626848645] [2019-11-07 01:37:40,049 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218328466] [2019-11-07 01:37:40,049 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 [2019-11-07 01:37:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:37:40,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-07 01:37:40,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:37:40,284 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:37:40,284 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:37:40,459 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:37:40,460 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [670865614] [2019-11-07 01:37:40,505 INFO L159 IcfgInterpreter]: Started Sifa with 90 locations of interest [2019-11-07 01:37:40,505 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 01:37:40,512 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 01:37:40,522 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 01:37:40,523 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 01:37:40,688 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 89 for LOIs [2019-11-07 01:37:42,046 INFO L197 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 86 for LOIs [2019-11-07 01:37:46,366 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 60 [2019-11-07 01:37:46,854 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13095 conjuctions. This might take some time... [2019-11-07 01:37:47,011 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 60 [2019-11-07 01:37:47,343 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13095 conjuctions. This might take some time... [2019-11-07 01:37:47,500 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 60 [2019-11-07 01:37:47,927 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13095 conjuctions. This might take some time... [2019-11-07 01:37:49,919 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 52 for LOIs [2019-11-07 01:37:49,923 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 01:37:50,323 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-11-07 01:37:50,695 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2019-11-07 01:37:51,293 WARN L191 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 96 [2019-11-07 01:37:51,991 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 100 [2019-11-07 01:37:52,276 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 71 [2019-11-07 01:37:52,522 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 68 [2019-11-07 01:37:52,769 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 69 [2019-11-07 01:37:53,125 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 79 [2019-11-07 01:37:53,481 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 79 [2019-11-07 01:37:53,814 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 85 [2019-11-07 01:37:54,179 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-11-07 01:38:01,424 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-11-07 01:38:01,424 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 13] total 23 [2019-11-07 01:38:01,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612216943] [2019-11-07 01:38:01,427 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-11-07 01:38:01,427 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:38:01,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-11-07 01:38:01,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2019-11-07 01:38:01,428 INFO L87 Difference]: Start difference. First operand 343 states and 603 transitions. Second operand 23 states. [2019-11-07 01:38:01,608 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-11-07 01:38:01,986 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 91 [2019-11-07 01:38:02,492 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 96 [2019-11-07 01:38:03,069 WARN L191 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 93 [2019-11-07 01:38:03,431 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 91 [2019-11-07 01:38:03,809 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 93 [2019-11-07 01:38:04,142 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2019-11-07 01:38:04,414 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-11-07 01:38:07,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:38:07,618 INFO L93 Difference]: Finished difference Result 789 states and 1367 transitions. [2019-11-07 01:38:07,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-07 01:38:07,620 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 169 [2019-11-07 01:38:07,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:38:07,620 INFO L225 Difference]: With dead ends: 789 [2019-11-07 01:38:07,620 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:38:07,627 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 359 SyntacticMatches, 141 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2608 ImplicationChecksByTransitivity, 14.4s TimeCoverageRelationStatistics Valid=302, Invalid=820, Unknown=0, NotChecked=0, Total=1122 [2019-11-07 01:38:07,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:38:07,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:38:07,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:38:07,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:38:07,629 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169 [2019-11-07 01:38:07,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:38:07,630 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:38:07,630 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-11-07 01:38:07,630 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:38:07,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:38:07,836 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:38:07,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:38:08,211 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 87 [2019-11-07 01:38:08,417 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 26 [2019-11-07 01:38:08,657 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 87 [2019-11-07 01:38:08,906 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 87 [2019-11-07 01:38:08,909 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2019-11-07 01:38:08,909 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:38:08,909 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-07 01:38:08,910 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-07 01:38:08,910 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-07 01:38:08,910 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-07 01:38:08,910 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-07 01:38:08,910 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-07 01:38:08,910 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-07 01:38:08,910 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-07 01:38:08,911 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-07 01:38:08,911 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-07 01:38:08,911 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-07 01:38:08,911 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-07 01:38:08,911 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-07 01:38:08,911 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-07 01:38:08,911 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-07 01:38:08,911 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-07 01:38:08,912 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-07 01:38:08,912 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-07 01:38:08,912 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-07 01:38:08,912 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-07 01:38:08,912 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-07 01:38:08,912 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-07 01:38:08,912 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-07 01:38:08,913 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-07 01:38:08,913 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-07 01:38:08,913 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-07 01:38:08,913 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-07 01:38:08,913 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-07 01:38:08,913 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-07 01:38:08,913 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-07 01:38:08,913 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-07 01:38:08,914 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-07 01:38:08,914 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-07 01:38:08,914 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-07 01:38:08,914 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2019-11-07 01:38:08,914 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2019-11-07 01:38:08,914 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-07 01:38:08,914 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-07 01:38:08,915 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-07 01:38:08,915 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-07 01:38:08,915 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-07 01:38:08,915 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-07 01:38:08,915 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-07 01:38:08,915 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-07 01:38:08,916 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-07 01:38:08,916 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-07 01:38:08,916 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-07 01:38:08,916 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-07 01:38:08,916 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-07 01:38:08,916 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-07 01:38:08,916 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-07 01:38:08,917 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-07 01:38:08,917 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-07 01:38:08,917 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-07 01:38:08,917 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-07 01:38:08,917 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-07 01:38:08,917 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a17~0)| 8))) (.cse1 (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)))) (and (or (= 1 |old(~a11~0)|) .cse0 .cse1) (or .cse0 .cse1 (= 11 |old(~a28~0)|)))) [2019-11-07 01:38:08,917 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-07 01:38:08,918 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-07 01:38:08,918 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-07 01:38:08,918 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 589) no Hoare annotation was computed. [2019-11-07 01:38:08,918 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-07 01:38:08,918 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-07 01:38:08,918 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-07 01:38:08,919 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-07 01:38:08,919 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-07 01:38:08,919 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-07 01:38:08,919 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-07 01:38:08,919 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-07 01:38:08,919 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-07 01:38:08,919 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-07 01:38:08,919 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-07 01:38:08,919 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-07 01:38:08,920 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-07 01:38:08,920 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-07 01:38:08,920 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-07 01:38:08,920 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-07 01:38:08,920 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-07 01:38:08,920 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-07 01:38:08,920 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-07 01:38:08,920 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-07 01:38:08,921 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-07 01:38:08,921 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:38:08,921 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 21 ~u~0) (= 22 ~v~0) (= 3 ~c~0) (= 25 ~y~0) (= 24 ~x~0) (= ~a21~0 1) (= 6 ~f~0) (= 26 ~z~0) (= 1 ~a~0) (= ~a11~0 0) (= 4 ~d~0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= 5 ~e~0) (= 23 ~w~0)) [2019-11-07 01:38:08,921 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:38:08,921 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:38:08,922 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 7 |old(~a28~0)|)) (not (= 4 ~d~0)) (not (= 21 ~u~0)) (not (<= ~e~0 5)) (not (<= |old(~a11~0)| 0)) (not (= 22 ~v~0)) (not (= 1 ~a~0)) (not (<= 0 |old(~a11~0)|)) (not (<= ~a21~0 1)) (not (<= 23 ~w~0)) (not (= 0 |old(~a25~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|)) (not (= 3 ~c~0)) (not (<= ~w~0 23)) (not (<= 5 ~e~0)) (not (<= 1 ~a21~0)) (not (= 26 ~z~0)) (not (<= 25 ~y~0)) (not (= 1 |old(~a19~0)|)) (not (<= ~y~0 25)) (not (= 24 ~x~0)) (not (= 8 |old(~a17~0)|)) (not (= 6 ~f~0))) [2019-11-07 01:38:08,922 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (not (= 7 |old(~a28~0)|)) (and .cse0 (not (= ~a28~0 11))) (not (= 4 ~d~0)) (not (= 21 ~u~0)) (not (<= ~e~0 5)) (not (<= |old(~a11~0)| 0)) (not (= 22 ~v~0)) (not (= 1 ~a~0)) (not (<= 0 |old(~a11~0)|)) (not (<= ~a21~0 1)) (and .cse0 (not (= ~a11~0 1))) (not (<= 23 ~w~0)) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (not (<= ~w~0 23)) (not (<= 5 ~e~0)) (not (<= 1 ~a21~0)) (not (= 26 ~z~0)) (not (<= 25 ~y~0)) (not (= 1 |old(~a19~0)|)) (not (<= ~y~0 25)) (not (= 24 ~x~0)) (not (= 8 |old(~a17~0)|)) (not (= 6 ~f~0)))) [2019-11-07 01:38:08,922 INFO L443 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2019-11-07 01:38:08,922 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2019-11-07 01:38:08,923 INFO L439 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (not (= 7 |old(~a28~0)|)) (and .cse0 (not (= ~a28~0 11))) (not (= 4 ~d~0)) (not (= 21 ~u~0)) (not (<= ~e~0 5)) (not (<= |old(~a11~0)| 0)) (not (= 22 ~v~0)) (not (= 1 ~a~0)) (not (<= 0 |old(~a11~0)|)) (not (<= ~a21~0 1)) (and .cse0 (not (= ~a11~0 1))) (not (<= 23 ~w~0)) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (not (<= ~w~0 23)) (not (<= 5 ~e~0)) (not (<= 1 ~a21~0)) (not (= 26 ~z~0)) (not (<= 25 ~y~0)) (not (= 1 |old(~a19~0)|)) (not (<= ~y~0 25)) (not (= 24 ~x~0)) (not (= 8 |old(~a17~0)|)) (not (= 6 ~f~0)))) [2019-11-07 01:38:08,923 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-11-07 01:38:08,923 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-07 01:38:08,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:38:08 BoogieIcfgContainer [2019-11-07 01:38:08,945 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:38:08,947 INFO L168 Benchmark]: Toolchain (without parser) took 34040.94 ms. Allocated memory was 140.0 MB in the beginning and 843.6 MB in the end (delta: 703.6 MB). Free memory was 104.0 MB in the beginning and 228.2 MB in the end (delta: -124.2 MB). Peak memory consumption was 579.4 MB. Max. memory is 7.1 GB. [2019-11-07 01:38:08,948 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 123.2 MB in the beginning and 122.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 01:38:08,949 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.32 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 103.8 MB in the beginning and 170.0 MB in the end (delta: -66.1 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. [2019-11-07 01:38:08,950 INFO L168 Benchmark]: Boogie Preprocessor took 105.89 ms. Allocated memory is still 202.4 MB. Free memory was 170.0 MB in the beginning and 165.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-11-07 01:38:08,951 INFO L168 Benchmark]: RCFGBuilder took 2079.12 ms. Allocated memory was 202.4 MB in the beginning and 251.1 MB in the end (delta: 48.8 MB). Free memory was 165.2 MB in the beginning and 193.7 MB in the end (delta: -28.5 MB). Peak memory consumption was 119.5 MB. Max. memory is 7.1 GB. [2019-11-07 01:38:08,952 INFO L168 Benchmark]: TraceAbstraction took 31067.58 ms. Allocated memory was 251.1 MB in the beginning and 843.6 MB in the end (delta: 592.4 MB). Free memory was 193.7 MB in the beginning and 228.2 MB in the end (delta: -34.5 MB). Peak memory consumption was 557.9 MB. Max. memory is 7.1 GB. [2019-11-07 01:38:08,956 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 123.2 MB in the beginning and 122.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 783.32 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 103.8 MB in the beginning and 170.0 MB in the end (delta: -66.1 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.89 ms. Allocated memory is still 202.4 MB. Free memory was 170.0 MB in the beginning and 165.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2079.12 ms. Allocated memory was 202.4 MB in the beginning and 251.1 MB in the end (delta: 48.8 MB). Free memory was 165.2 MB in the beginning and 193.7 MB in the end (delta: -28.5 MB). Peak memory consumption was 119.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31067.58 ms. Allocated memory was 251.1 MB in the beginning and 843.6 MB in the end (delta: 592.4 MB). Free memory was 193.7 MB in the beginning and 228.2 MB in the end (delta: -34.5 MB). Peak memory consumption was 557.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 589]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((!(7 == \old(a28)) || (a17 <= 8 && !(a28 == 11))) || !(4 == d)) || !(21 == u)) || !(e <= 5)) || !(\old(a11) <= 0)) || !(22 == v)) || !(1 == a)) || !(0 <= \old(a11))) || !(a21 <= 1)) || (a17 <= 8 && !(a11 == 1))) || !(23 <= w)) || !(0 == \old(a25))) || !(3 == c)) || !(w <= 23)) || !(5 <= e)) || !(1 <= a21)) || !(26 == z)) || !(25 <= y)) || !(1 == \old(a19))) || !(y <= 25)) || !(24 == x)) || !(8 == \old(a17))) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 95 locations, 1 error locations. Result: SAFE, OverallTime: 30.9s, OverallIterations: 3, TraceHistogramMax: 3, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, HoareTripleCheckerStatistics: 75 SDtfs, 1179 SDslu, 52 SDs, 0 SdLazy, 2289 SolverSat, 466 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 541 GetRequests, 366 SyntacticMatches, 141 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2608 ImplicationChecksByTransitivity, 14.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=343occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 21 PreInvPairs, 37 NumberOfFragments, 469 HoareAnnotationTreeSize, 21 FomulaSimplifications, 191 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1191 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 523 NumberOfCodeBlocks, 523 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 687 ConstructedInterpolants, 0 QuantifiedInterpolants, 330020 SizeOfPredicates, 0 NumberOfNonLiveVariables, 477 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 259/265 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: OVERALL_TIME[ms]: 9416, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 93, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 165, TOOLS_POST_TIME[ms]: 68, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 41, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME[ms]: 65, TOOLS_QUANTIFIERELIM_APPLICATIONS: 184, TOOLS_QUANTIFIERELIM_TIME[ms]: 113, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 281, FLUID_YES_ANSWERS: 180, DOMAIN_JOIN_APPLICATIONS: 9, DOMAIN_JOIN_TIME[ms]: 928, DOMAIN_ALPHA_APPLICATIONS: 180, DOMAIN_ALPHA_TIME[ms]: 7757, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 90, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 93, DOMAIN_ISBOTTOM_TIME[ms]: 281, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 850, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 849, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 333, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 333, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 72, DAG_COMPRESSION_PROCESSED_NODES: 3464, DAG_COMPRESSION_RETAINED_NODES: 209, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...