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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-regression/test_union.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:28:45,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:28:45,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:28:45,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:28:45,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:28:45,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:28:45,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:28:45,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:28:45,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:28:45,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:28:45,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:28:45,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:28:45,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:28:45,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:28:45,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:28:45,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:28:45,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:28:45,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:28:45,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:28:45,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:28:45,373 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:28:45,395 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:28:45,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:28:45,396 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:28:45,396 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:28:45,397 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:28:45,397 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:28:45,397 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:28:45,397 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:28:45,398 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:28:45,398 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:28:45,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:28:45,400 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:28:45,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:28:45,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:28:45,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:28:45,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:28:45,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:28:45,402 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:28:45,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:28:45,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:28:45,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:28:45,403 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:28:45,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:28:45,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:28:45,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:28:45,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:28:45,404 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:28:45,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:28:45,405 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:28:45,405 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:28:45,457 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:28:45,470 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:28:45,477 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:28:45,478 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:28:45,479 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:28:45,480 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_union.i [2019-09-20 13:28:45,543 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a3531601/3eead93afb5a49a9abf9ab3312f8585a/FLAGf3cc79982 [2019-09-20 13:28:45,978 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:28:45,979 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_union.i [2019-09-20 13:28:45,985 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a3531601/3eead93afb5a49a9abf9ab3312f8585a/FLAGf3cc79982 [2019-09-20 13:28:46,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a3531601/3eead93afb5a49a9abf9ab3312f8585a [2019-09-20 13:28:46,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:28:46,409 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:28:46,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:28:46,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:28:46,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:28:46,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:46" (1/1) ... [2019-09-20 13:28:46,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58d75b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:46, skipping insertion in model container [2019-09-20 13:28:46,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:46" (1/1) ... [2019-09-20 13:28:46,426 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:28:46,443 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:28:46,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:28:46,643 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:28:46,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:28:46,690 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:28:46,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:46 WrapperNode [2019-09-20 13:28:46,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:28:46,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:28:46,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:28:46,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:28:46,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:46" (1/1) ... [2019-09-20 13:28:46,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:46" (1/1) ... [2019-09-20 13:28:46,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:46" (1/1) ... [2019-09-20 13:28:46,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:46" (1/1) ... [2019-09-20 13:28:46,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:46" (1/1) ... [2019-09-20 13:28:46,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:46" (1/1) ... [2019-09-20 13:28:46,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:46" (1/1) ... [2019-09-20 13:28:46,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:28:46,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:28:46,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:28:46,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:28:46,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:46" (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 [2019-09-20 13:28:46,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:28:46,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:28:46,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-20 13:28:46,865 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:28:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:28:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-20 13:28:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:28:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:28:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:28:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:28:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:28:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:28:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:28:47,031 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:28:47,031 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:28:47,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:47 BoogieIcfgContainer [2019-09-20 13:28:47,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:28:47,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:28:47,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:28:47,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:28:47,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:28:46" (1/3) ... [2019-09-20 13:28:47,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71308b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:28:47, skipping insertion in model container [2019-09-20 13:28:47,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:46" (2/3) ... [2019-09-20 13:28:47,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71308b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:28:47, skipping insertion in model container [2019-09-20 13:28:47,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:47" (3/3) ... [2019-09-20 13:28:47,043 INFO L109 eAbstractionObserver]: Analyzing ICFG test_union.i [2019-09-20 13:28:47,055 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:28:47,064 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:28:47,082 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:28:47,113 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:28:47,114 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:28:47,114 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:28:47,114 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:28:47,114 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:28:47,114 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:28:47,115 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:28:47,115 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:28:47,128 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-09-20 13:28:47,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-09-20 13:28:47,134 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:28:47,135 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:28:47,137 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:28:47,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:28:47,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1215743292, now seen corresponding path program 1 times [2019-09-20 13:28:47,144 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:28:47,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:28:47,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:28:47,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:28:47,192 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:28:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:28:47,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:28:47,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:28:47,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:28:47,307 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:28:47,310 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:28:47,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:28:47,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:28:47,323 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2019-09-20 13:28:47,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:28:47,344 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2019-09-20 13:28:47,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:28:47,350 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-09-20 13:28:47,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:28:47,357 INFO L225 Difference]: With dead ends: 12 [2019-09-20 13:28:47,357 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:28:47,359 INFO L636 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 [2019-09-20 13:28:47,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:28:47,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:28:47,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:28:47,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:28:47,388 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2019-09-20 13:28:47,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:28:47,388 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:28:47,389 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:28:47,389 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:28:47,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:28:47,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:28:47 BoogieIcfgContainer [2019-09-20 13:28:47,394 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:28:47,398 INFO L168 Benchmark]: Toolchain (without parser) took 987.72 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 85.2 MB in the beginning and 143.8 MB in the end (delta: -58.7 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:28:47,399 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:28:47,401 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.53 ms. Allocated memory is still 137.9 MB. Free memory was 84.9 MB in the beginning and 75.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:28:47,403 INFO L168 Benchmark]: Boogie Preprocessor took 116.61 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 75.4 MB in the beginning and 175.9 MB in the end (delta: -100.5 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:28:47,404 INFO L168 Benchmark]: RCFGBuilder took 224.52 ms. Allocated memory is still 198.2 MB. Free memory was 175.9 MB in the beginning and 163.5 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:28:47,405 INFO L168 Benchmark]: TraceAbstraction took 360.10 ms. Allocated memory is still 198.2 MB. Free memory was 163.5 MB in the beginning and 143.8 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:28:47,411 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 281.53 ms. Allocated memory is still 137.9 MB. Free memory was 84.9 MB in the beginning and 75.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.61 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 75.4 MB in the beginning and 175.9 MB in the end (delta: -100.5 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 224.52 ms. Allocated memory is still 198.2 MB. Free memory was 175.9 MB in the beginning and 163.5 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 360.10 ms. Allocated memory is still 198.2 MB. Free memory was 163.5 MB in the beginning and 143.8 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 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 4 procedures, 17 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 1 SDslu, 8 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=17occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...