/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/locks/test_locks_5.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 03:58:25,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 03:58:25,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 03:58:25,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 03:58:25,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 03:58:25,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 03:58:25,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 03:58:25,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 03:58:25,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 03:58:25,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 03:58:25,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 03:58:25,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 03:58:25,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 03:58:25,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 03:58:25,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 03:58:25,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 03:58:25,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 03:58:25,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 03:58:25,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 03:58:25,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 03:58:25,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 03:58:25,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 03:58:25,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 03:58:25,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 03:58:25,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 03:58:25,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 03:58:25,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 03:58:25,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 03:58:25,481 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 03:58:25,495 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 03:58:25,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 03:58:25,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 03:58:25,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 03:58:25,497 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 03:58:25,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 03:58:25,498 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 03:58:25,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 03:58:25,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 03:58:25,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 03:58:25,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 03:58:25,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 03:58:25,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 03:58:25,499 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 03:58:25,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 03:58:25,499 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 03:58:25,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 03:58:25,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 03:58:25,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 03:58:25,500 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 03:58:25,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 03:58:25,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 03:58:25,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 03:58:25,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 03:58:25,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 03:58:25,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 03:58:25,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 03:58:25,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 03:58:25,502 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 03:58:25,809 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 03:58:25,826 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 03:58:25,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 03:58:25,831 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 03:58:25,831 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 03:58:25,832 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_5.c [2019-11-07 03:58:25,908 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c610b6af5/926a0c8c51cd4cdba117e3038a913768/FLAG18a4b5f89 [2019-11-07 03:58:26,386 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 03:58:26,387 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_5.c [2019-11-07 03:58:26,396 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c610b6af5/926a0c8c51cd4cdba117e3038a913768/FLAG18a4b5f89 [2019-11-07 03:58:26,742 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c610b6af5/926a0c8c51cd4cdba117e3038a913768 [2019-11-07 03:58:26,754 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 03:58:26,762 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 03:58:26,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 03:58:26,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 03:58:26,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 03:58:26,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:58:26" (1/1) ... [2019-11-07 03:58:26,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@582cc358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:58:26, skipping insertion in model container [2019-11-07 03:58:26,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:58:26" (1/1) ... [2019-11-07 03:58:26,812 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 03:58:26,858 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 03:58:27,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:58:27,157 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 03:58:27,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:58:27,205 INFO L192 MainTranslator]: Completed translation [2019-11-07 03:58:27,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:58:27 WrapperNode [2019-11-07 03:58:27,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 03:58:27,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 03:58:27,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 03:58:27,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 03:58:27,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:58:27" (1/1) ... [2019-11-07 03:58:27,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:58:27" (1/1) ... [2019-11-07 03:58:27,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:58:27" (1/1) ... [2019-11-07 03:58:27,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:58:27" (1/1) ... [2019-11-07 03:58:27,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:58:27" (1/1) ... [2019-11-07 03:58:27,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:58:27" (1/1) ... [2019-11-07 03:58:27,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:58:27" (1/1) ... [2019-11-07 03:58:27,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 03:58:27,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 03:58:27,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 03:58:27,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 03:58:27,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:58:27" (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 03:58:27,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 03:58:27,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 03:58:27,393 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 03:58:27,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 03:58:27,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 03:58:27,394 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 03:58:27,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 03:58:27,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 03:58:27,796 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 03:58:27,796 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 03:58:27,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:58:27 BoogieIcfgContainer [2019-11-07 03:58:27,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 03:58:27,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 03:58:27,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 03:58:27,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 03:58:27,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:58:26" (1/3) ... [2019-11-07 03:58:27,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51a7924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:58:27, skipping insertion in model container [2019-11-07 03:58:27,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:58:27" (2/3) ... [2019-11-07 03:58:27,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51a7924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:58:27, skipping insertion in model container [2019-11-07 03:58:27,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:58:27" (3/3) ... [2019-11-07 03:58:27,806 INFO L109 eAbstractionObserver]: Analyzing ICFG test_locks_5.c [2019-11-07 03:58:27,818 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 03:58:27,829 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 03:58:27,841 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 03:58:27,869 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 03:58:27,869 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 03:58:27,869 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 03:58:27,869 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 03:58:27,870 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 03:58:27,870 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 03:58:27,870 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 03:58:27,870 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 03:58:27,885 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-11-07 03:58:27,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-07 03:58:27,891 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:58:27,892 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:58:27,893 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:58:27,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:58:27,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1420080456, now seen corresponding path program 1 times [2019-11-07 03:58:27,906 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:58:27,906 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49929020] [2019-11-07 03:58:27,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:58:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:58:28,079 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 03:58:28,080 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49929020] [2019-11-07 03:58:28,081 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:58:28,081 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 03:58:28,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623054055] [2019-11-07 03:58:28,087 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 03:58:28,088 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:58:28,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 03:58:28,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-07 03:58:28,105 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 4 states. [2019-11-07 03:58:28,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:58:28,172 INFO L93 Difference]: Finished difference Result 46 states and 66 transitions. [2019-11-07 03:58:28,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 03:58:28,175 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-07 03:58:28,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:58:28,186 INFO L225 Difference]: With dead ends: 46 [2019-11-07 03:58:28,187 INFO L226 Difference]: Without dead ends: 31 [2019-11-07 03:58:28,190 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-07 03:58:28,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-07 03:58:28,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 19. [2019-11-07 03:58:28,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-07 03:58:28,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 27 transitions. [2019-11-07 03:58:28,231 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 27 transitions. Word has length 10 [2019-11-07 03:58:28,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:58:28,231 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 27 transitions. [2019-11-07 03:58:28,231 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 03:58:28,232 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2019-11-07 03:58:28,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-07 03:58:28,232 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:58:28,233 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:58:28,233 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:58:28,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:58:28,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1073036176, now seen corresponding path program 1 times [2019-11-07 03:58:28,234 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:58:28,234 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325808665] [2019-11-07 03:58:28,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:58:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:58:28,295 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 03:58:28,296 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325808665] [2019-11-07 03:58:28,296 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:58:28,296 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 03:58:28,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081782012] [2019-11-07 03:58:28,298 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 03:58:28,298 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:58:28,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 03:58:28,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-07 03:58:28,299 INFO L87 Difference]: Start difference. First operand 19 states and 27 transitions. Second operand 4 states. [2019-11-07 03:58:28,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:58:28,332 INFO L93 Difference]: Finished difference Result 31 states and 43 transitions. [2019-11-07 03:58:28,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 03:58:28,332 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-07 03:58:28,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:58:28,334 INFO L225 Difference]: With dead ends: 31 [2019-11-07 03:58:28,334 INFO L226 Difference]: Without dead ends: 29 [2019-11-07 03:58:28,335 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-07 03:58:28,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-07 03:58:28,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 19. [2019-11-07 03:58:28,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-07 03:58:28,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2019-11-07 03:58:28,340 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 26 transitions. Word has length 11 [2019-11-07 03:58:28,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:58:28,341 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 26 transitions. [2019-11-07 03:58:28,341 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 03:58:28,341 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2019-11-07 03:58:28,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-07 03:58:28,342 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:58:28,342 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:58:28,342 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:58:28,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:58:28,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1095401571, now seen corresponding path program 1 times [2019-11-07 03:58:28,343 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:58:28,344 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141183632] [2019-11-07 03:58:28,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:58:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:58:28,390 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 03:58:28,390 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141183632] [2019-11-07 03:58:28,391 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:58:28,391 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 03:58:28,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249538026] [2019-11-07 03:58:28,392 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 03:58:28,392 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:58:28,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 03:58:28,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-07 03:58:28,393 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. Second operand 4 states. [2019-11-07 03:58:28,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:58:28,431 INFO L93 Difference]: Finished difference Result 29 states and 38 transitions. [2019-11-07 03:58:28,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 03:58:28,433 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-11-07 03:58:28,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:58:28,434 INFO L225 Difference]: With dead ends: 29 [2019-11-07 03:58:28,435 INFO L226 Difference]: Without dead ends: 27 [2019-11-07 03:58:28,435 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-07 03:58:28,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-07 03:58:28,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2019-11-07 03:58:28,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-07 03:58:28,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2019-11-07 03:58:28,440 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 25 transitions. Word has length 12 [2019-11-07 03:58:28,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:58:28,441 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 25 transitions. [2019-11-07 03:58:28,441 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 03:58:28,441 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2019-11-07 03:58:28,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-07 03:58:28,442 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:58:28,442 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:58:28,443 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:58:28,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:58:28,443 INFO L82 PathProgramCache]: Analyzing trace with hash 402505349, now seen corresponding path program 1 times [2019-11-07 03:58:28,443 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:58:28,444 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100593973] [2019-11-07 03:58:28,444 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:58:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:58:28,500 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 03:58:28,502 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100593973] [2019-11-07 03:58:28,502 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:58:28,502 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 03:58:28,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462132964] [2019-11-07 03:58:28,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 03:58:28,505 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:58:28,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 03:58:28,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-07 03:58:28,506 INFO L87 Difference]: Start difference. First operand 19 states and 25 transitions. Second operand 4 states. [2019-11-07 03:58:28,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:58:28,531 INFO L93 Difference]: Finished difference Result 27 states and 33 transitions. [2019-11-07 03:58:28,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 03:58:28,532 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-11-07 03:58:28,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:58:28,533 INFO L225 Difference]: With dead ends: 27 [2019-11-07 03:58:28,533 INFO L226 Difference]: Without dead ends: 25 [2019-11-07 03:58:28,534 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-07 03:58:28,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-07 03:58:28,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 19. [2019-11-07 03:58:28,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-07 03:58:28,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2019-11-07 03:58:28,538 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 24 transitions. Word has length 13 [2019-11-07 03:58:28,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:58:28,538 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 24 transitions. [2019-11-07 03:58:28,539 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 03:58:28,539 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2019-11-07 03:58:28,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-07 03:58:28,539 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:58:28,540 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:58:28,540 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:58:28,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:58:28,540 INFO L82 PathProgramCache]: Analyzing trace with hash -407020046, now seen corresponding path program 1 times [2019-11-07 03:58:28,541 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:58:28,541 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873850209] [2019-11-07 03:58:28,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:58:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:58:28,590 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 03:58:28,591 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873850209] [2019-11-07 03:58:28,591 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:58:28,591 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 03:58:28,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517375327] [2019-11-07 03:58:28,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 03:58:28,592 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:58:28,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 03:58:28,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-07 03:58:28,593 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. Second operand 4 states. [2019-11-07 03:58:28,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:58:28,618 INFO L93 Difference]: Finished difference Result 21 states and 26 transitions. [2019-11-07 03:58:28,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 03:58:28,620 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-11-07 03:58:28,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:58:28,620 INFO L225 Difference]: With dead ends: 21 [2019-11-07 03:58:28,620 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 03:58:28,621 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-07 03:58:28,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 03:58:28,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 03:58:28,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 03:58:28,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 03:58:28,622 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-11-07 03:58:28,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:58:28,623 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 03:58:28,623 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 03:58:28,623 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 03:58:28,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 03:58:28,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 03:58:28,651 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2019-11-07 03:58:28,651 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 03:58:28,651 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 03:58:28,652 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-11-07 03:58:28,652 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 03:58:28,652 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 03:58:28,652 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-07 03:58:28,652 INFO L446 ceAbstractionStarter]: At program point L89(lines 5 93) the Hoare annotation is: true [2019-11-07 03:58:28,653 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 4 93) no Hoare annotation was computed. [2019-11-07 03:58:28,653 INFO L443 ceAbstractionStarter]: For program point L73-1(lines 24 88) no Hoare annotation was computed. [2019-11-07 03:58:28,653 INFO L443 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2019-11-07 03:58:28,653 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 91) no Hoare annotation was computed. [2019-11-07 03:58:28,653 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 24 88) no Hoare annotation was computed. [2019-11-07 03:58:28,654 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 24 88) no Hoare annotation was computed. [2019-11-07 03:58:28,654 INFO L443 ceAbstractionStarter]: For program point L74(line 74) no Hoare annotation was computed. [2019-11-07 03:58:28,654 INFO L446 ceAbstractionStarter]: At program point L83-1(lines 24 88) the Hoare annotation is: true [2019-11-07 03:58:28,654 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-07 03:58:28,654 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 4 93) no Hoare annotation was computed. [2019-11-07 03:58:28,654 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 24 88) no Hoare annotation was computed. [2019-11-07 03:58:28,655 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 4 93) the Hoare annotation is: true [2019-11-07 03:58:28,655 INFO L443 ceAbstractionStarter]: For program point L26(lines 26 28) no Hoare annotation was computed. [2019-11-07 03:58:28,655 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-11-07 03:58:28,655 INFO L439 ceAbstractionStarter]: At program point L84-1(lines 5 93) the Hoare annotation is: false [2019-11-07 03:58:28,655 INFO L443 ceAbstractionStarter]: For program point L68-1(lines 24 88) no Hoare annotation was computed. [2019-11-07 03:58:28,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:58:28 BoogieIcfgContainer [2019-11-07 03:58:28,664 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 03:58:28,666 INFO L168 Benchmark]: Toolchain (without parser) took 1909.40 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 101.3 MB in the beginning and 104.7 MB in the end (delta: -3.4 MB). Peak memory consumption was 53.8 MB. Max. memory is 7.1 GB. [2019-11-07 03:58:28,667 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 144.7 MB. Free memory is still 119.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 03:58:28,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.30 ms. Allocated memory is still 144.7 MB. Free memory was 101.3 MB in the beginning and 91.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-11-07 03:58:28,669 INFO L168 Benchmark]: Boogie Preprocessor took 125.20 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 91.3 MB in the beginning and 179.6 MB in the end (delta: -88.3 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-11-07 03:58:28,670 INFO L168 Benchmark]: RCFGBuilder took 466.09 ms. Allocated memory is still 201.9 MB. Free memory was 179.6 MB in the beginning and 160.0 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. [2019-11-07 03:58:28,671 INFO L168 Benchmark]: TraceAbstraction took 864.76 ms. Allocated memory is still 201.9 MB. Free memory was 159.1 MB in the beginning and 104.7 MB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 7.1 GB. [2019-11-07 03:58:28,675 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 144.7 MB. Free memory is still 119.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 435.30 ms. Allocated memory is still 144.7 MB. Free memory was 101.3 MB in the beginning and 91.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.20 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 91.3 MB in the beginning and 179.6 MB in the end (delta: -88.3 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 466.09 ms. Allocated memory is still 201.9 MB. Free memory was 179.6 MB in the beginning and 160.0 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 864.76 ms. Allocated memory is still 201.9 MB. Free memory was 159.1 MB in the beginning and 104.7 MB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 91]: 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: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 24 locations, 1 error locations. Result: SAFE, OverallTime: 0.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 123 SDtfs, 82 SDslu, 157 SDs, 0 SdLazy, 45 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, 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, 5 MinimizatonAttempts, 36 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 10 NumberOfFragments, 7 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 1775 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...