/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test_union.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 21:57:04,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 21:57:04,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 21:57:04,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 21:57:04,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 21:57:04,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 21:57:04,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 21:57:04,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 21:57:04,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 21:57:04,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 21:57:04,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 21:57:04,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 21:57:04,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 21:57:04,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 21:57:04,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 21:57:04,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 21:57:04,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 21:57:04,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-23 21:57:04,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-23 21:57:04,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-23 21:57:04,613 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 [2019-11-23 21:57:04,638 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 21:57:04,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 21:57:04,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 21:57:04,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 21:57:04,640 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 21:57:04,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 21:57:04,640 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 21:57:04,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 21:57:04,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 21:57:04,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 21:57:04,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 21:57:04,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 21:57:04,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 21:57:04,642 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 21:57:04,642 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 21:57:04,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 21:57:04,642 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 21:57:04,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 21:57:04,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 21:57:04,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 21:57:04,643 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 21:57:04,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 21:57:04,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 21:57:04,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 21:57:04,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 21:57:04,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 21:57:04,644 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 21:57:04,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 21:57:04,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 21:57:04,645 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 21:57:04,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 21:57:04,933 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 21:57:04,937 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 21:57:04,938 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 21:57:04,939 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 21:57:04,940 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_union.c_1.i [2019-11-23 21:57:05,010 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b859ecbec/b7d53bda60df485aacc6f4543e7d7ef6/FLAG555fb579f [2019-11-23 21:57:05,493 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 21:57:05,494 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_union.c_1.i [2019-11-23 21:57:05,500 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b859ecbec/b7d53bda60df485aacc6f4543e7d7ef6/FLAG555fb579f [2019-11-23 21:57:05,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b859ecbec/b7d53bda60df485aacc6f4543e7d7ef6 [2019-11-23 21:57:05,917 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 21:57:05,919 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 21:57:05,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 21:57:05,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 21:57:05,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 21:57:05,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:57:05" (1/1) ... [2019-11-23 21:57:05,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc8f46f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:05, skipping insertion in model container [2019-11-23 21:57:05,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:57:05" (1/1) ... [2019-11-23 21:57:05,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 21:57:05,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 21:57:06,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:57:06,121 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 21:57:06,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:57:06,162 INFO L208 MainTranslator]: Completed translation [2019-11-23 21:57:06,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:06 WrapperNode [2019-11-23 21:57:06,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 21:57:06,164 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 21:57:06,164 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 21:57:06,164 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 21:57:06,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:06" (1/1) ... [2019-11-23 21:57:06,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:06" (1/1) ... [2019-11-23 21:57:06,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 21:57:06,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 21:57:06,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 21:57:06,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 21:57:06,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:06" (1/1) ... [2019-11-23 21:57:06,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:06" (1/1) ... [2019-11-23 21:57:06,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:06" (1/1) ... [2019-11-23 21:57:06,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:06" (1/1) ... [2019-11-23 21:57:06,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:06" (1/1) ... [2019-11-23 21:57:06,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:06" (1/1) ... [2019-11-23 21:57:06,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:06" (1/1) ... [2019-11-23 21:57:06,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 21:57:06,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 21:57:06,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 21:57:06,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 21:57:06,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:06" (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 [2019-11-23 21:57:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 21:57:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 21:57:06,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 21:57:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 21:57:06,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-23 21:57:06,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-23 21:57:06,506 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 21:57:06,506 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-23 21:57:06,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:57:06 BoogieIcfgContainer [2019-11-23 21:57:06,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 21:57:06,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 21:57:06,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 21:57:06,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 21:57:06,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:57:05" (1/3) ... [2019-11-23 21:57:06,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a9ea7c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:57:06, skipping insertion in model container [2019-11-23 21:57:06,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:06" (2/3) ... [2019-11-23 21:57:06,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a9ea7c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:57:06, skipping insertion in model container [2019-11-23 21:57:06,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:57:06" (3/3) ... [2019-11-23 21:57:06,516 INFO L109 eAbstractionObserver]: Analyzing ICFG test_union.c_1.i [2019-11-23 21:57:06,526 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 21:57:06,532 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 21:57:06,544 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 21:57:06,569 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 21:57:06,569 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 21:57:06,570 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 21:57:06,570 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 21:57:06,570 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 21:57:06,570 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 21:57:06,570 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 21:57:06,570 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 21:57:06,588 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-11-23 21:57:06,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-23 21:57:06,596 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:57:06,597 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-23 21:57:06,598 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:57:06,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:57:06,604 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-11-23 21:57:06,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:57:06,621 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349140217] [2019-11-23 21:57:06,621 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:57:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:57:06,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:57:06,815 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349140217] [2019-11-23 21:57:06,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:57:06,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:57:06,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046073669] [2019-11-23 21:57:06,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 21:57:06,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:57:06,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 21:57:06,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 21:57:06,841 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2019-11-23 21:57:06,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:57:06,863 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-11-23 21:57:06,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 21:57:06,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-11-23 21:57:06,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:57:06,873 INFO L225 Difference]: With dead ends: 13 [2019-11-23 21:57:06,873 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 21:57:06,876 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 21:57:06,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 21:57:06,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 21:57:06,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 21:57:06,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 21:57:06,904 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-11-23 21:57:06,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:57:06,905 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 21:57:06,905 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 21:57:06,905 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 21:57:06,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 21:57:06,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 21:57:06,915 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 21:57:06,916 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-23 21:57:06,916 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 21:57:06,917 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-23 21:57:06,917 INFO L444 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2019-11-23 21:57:06,917 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2019-11-23 21:57:06,917 INFO L444 ceAbstractionStarter]: For program point L23(lines 23 31) no Hoare annotation was computed. [2019-11-23 21:57:06,918 INFO L444 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2019-11-23 21:57:06,918 INFO L444 ceAbstractionStarter]: For program point L4(lines 1 31) no Hoare annotation was computed. [2019-11-23 21:57:06,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:57:06 BoogieIcfgContainer [2019-11-23 21:57:06,926 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 21:57:06,930 INFO L168 Benchmark]: Toolchain (without parser) took 1009.79 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.4 MB in the beginning and 150.9 MB in the end (delta: -48.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-11-23 21:57:06,932 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-23 21:57:06,934 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.63 ms. Allocated memory is still 145.8 MB. Free memory was 102.2 MB in the beginning and 92.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-11-23 21:57:06,936 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.51 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 92.1 MB in the beginning and 182.7 MB in the end (delta: -90.6 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-11-23 21:57:06,937 INFO L168 Benchmark]: Boogie Preprocessor took 21.37 ms. Allocated memory is still 203.4 MB. Free memory was 182.7 MB in the beginning and 181.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-11-23 21:57:06,939 INFO L168 Benchmark]: RCFGBuilder took 204.02 ms. Allocated memory is still 203.4 MB. Free memory was 181.4 MB in the beginning and 170.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-11-23 21:57:06,940 INFO L168 Benchmark]: TraceAbstraction took 417.65 ms. Allocated memory is still 203.4 MB. Free memory was 170.0 MB in the beginning and 150.9 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2019-11-23 21:57:06,957 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 243.63 ms. Allocated memory is still 145.8 MB. Free memory was 102.2 MB in the beginning and 92.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 118.51 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 92.1 MB in the beginning and 182.7 MB in the end (delta: -90.6 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.37 ms. Allocated memory is still 203.4 MB. Free memory was 182.7 MB in the beginning and 181.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 204.02 ms. Allocated memory is still 203.4 MB. Free memory was 181.4 MB in the beginning and 170.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 417.65 ms. Allocated memory is still 203.4 MB. Free memory was 170.0 MB in the beginning and 150.9 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Result: SAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 5 SDtfs, 1 SDslu, 3 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...