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/psyco/psyco_math_1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:28:07,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:28:07,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:28:07,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:28:07,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:28:07,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:28:07,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:28:07,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:28:07,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:28:07,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:28:07,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:28:07,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:28:07,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:28:07,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:28:07,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:28:07,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:28:07,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:28:07,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:28:07,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:28:07,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:28:07,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:28:07,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:28:07,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:28:07,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:28:07,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:28:07,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:28:07,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:28:07,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:28:07,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:28:07,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:28:07,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:28:07,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:28:07,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:28:07,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:28:07,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:28:07,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:28:07,697 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 13:28:07,712 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:28:07,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:28:07,712 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:28:07,713 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:28:07,713 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:28:07,714 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:28:07,714 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:28:07,714 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:28:07,714 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:28:07,714 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:28:07,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:28:07,715 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:28:07,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:28:07,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:28:07,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:28:07,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:28:07,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:28:07,717 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:28:07,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:28:07,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:28:07,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:28:07,717 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:28:07,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:28:07,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:28:07,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:28:07,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:28:07,718 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:28:07,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:28:07,719 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:28:07,719 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:28:07,758 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:28:07,777 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:28:07,782 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:28:07,784 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:28:07,784 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:28:07,785 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_math_1.c [2019-09-20 13:28:07,848 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/390d44ce9/671988cb037f4ccea0d93926c3549748/FLAG5524e17c6 [2019-09-20 13:28:08,378 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:28:08,380 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_math_1.c [2019-09-20 13:28:08,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/390d44ce9/671988cb037f4ccea0d93926c3549748/FLAG5524e17c6 [2019-09-20 13:28:08,716 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/390d44ce9/671988cb037f4ccea0d93926c3549748 [2019-09-20 13:28:08,724 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:28:08,726 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:28:08,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:28:08,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:28:08,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:28:08,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:08" (1/1) ... [2019-09-20 13:28:08,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1adbfbad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:08, skipping insertion in model container [2019-09-20 13:28:08,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:08" (1/1) ... [2019-09-20 13:28:08,744 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:28:08,786 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:28:09,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:28:09,037 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:28:09,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:28:09,200 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:28:09,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:09 WrapperNode [2019-09-20 13:28:09,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:28:09,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:28:09,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:28:09,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:28:09,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:09" (1/1) ... [2019-09-20 13:28:09,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:09" (1/1) ... [2019-09-20 13:28:09,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:09" (1/1) ... [2019-09-20 13:28:09,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:09" (1/1) ... [2019-09-20 13:28:09,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:09" (1/1) ... [2019-09-20 13:28:09,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:09" (1/1) ... [2019-09-20 13:28:09,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:09" (1/1) ... [2019-09-20 13:28:09,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:28:09,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:28:09,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:28:09,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:28:09,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:09" (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 13:28:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:28:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:28:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:28:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:28:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:28:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:28:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:28:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:28:09,919 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:28:09,920 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-09-20 13:28:09,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:09 BoogieIcfgContainer [2019-09-20 13:28:09,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:28:09,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:28:09,925 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:28:09,928 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:28:09,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:28:08" (1/3) ... [2019-09-20 13:28:09,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4012029a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:28:09, skipping insertion in model container [2019-09-20 13:28:09,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:09" (2/3) ... [2019-09-20 13:28:09,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4012029a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:28:09, skipping insertion in model container [2019-09-20 13:28:09,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:09" (3/3) ... [2019-09-20 13:28:09,935 INFO L109 eAbstractionObserver]: Analyzing ICFG psyco_math_1.c [2019-09-20 13:28:09,947 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:28:09,956 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:28:09,974 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:28:10,001 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:28:10,002 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:28:10,002 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:28:10,002 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:28:10,002 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:28:10,002 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:28:10,002 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:28:10,003 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:28:10,017 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-09-20 13:28:10,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-09-20 13:28:10,025 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:28:10,026 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:28:10,029 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:28:10,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:28:10,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1988896521, now seen corresponding path program 1 times [2019-09-20 13:28:10,036 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:28:10,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:28:10,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:28:10,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:28:10,093 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:28:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:28:10,215 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 13:28:10,218 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:28:10,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:28:10,219 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:28:10,225 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:28:10,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:28:10,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:28:10,242 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-09-20 13:28:10,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:28:10,267 INFO L93 Difference]: Finished difference Result 70 states and 99 transitions. [2019-09-20 13:28:10,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:28:10,269 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-09-20 13:28:10,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:28:10,277 INFO L225 Difference]: With dead ends: 70 [2019-09-20 13:28:10,277 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:28:10,279 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:28:10,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:28:10,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:28:10,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:28:10,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:28:10,312 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-09-20 13:28:10,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:28:10,312 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:28:10,312 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:28:10,313 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:28:10,313 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:28:10,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:28:10 BoogieIcfgContainer [2019-09-20 13:28:10,319 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:28:10,323 INFO L168 Benchmark]: Toolchain (without parser) took 1595.64 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 86.7 MB in the beginning and 121.2 MB in the end (delta: -34.5 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:28:10,324 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:28:10,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.86 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 86.5 MB in the beginning and 173.8 MB in the end (delta: -87.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:28:10,327 INFO L168 Benchmark]: Boogie Preprocessor took 48.44 ms. Allocated memory is still 199.2 MB. Free memory was 173.8 MB in the beginning and 171.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:28:10,328 INFO L168 Benchmark]: RCFGBuilder took 672.60 ms. Allocated memory is still 199.2 MB. Free memory was 171.8 MB in the beginning and 141.4 MB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:28:10,329 INFO L168 Benchmark]: TraceAbstraction took 395.54 ms. Allocated memory is still 199.2 MB. Free memory was 140.7 MB in the beginning and 121.2 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:28:10,333 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 473.86 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 86.5 MB in the beginning and 173.8 MB in the end (delta: -87.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.44 ms. Allocated memory is still 199.2 MB. Free memory was 173.8 MB in the beginning and 171.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 672.60 ms. Allocated memory is still 199.2 MB. Free memory was 171.8 MB in the beginning and 141.4 MB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 395.54 ms. Allocated memory is still 199.2 MB. Free memory was 140.7 MB in the beginning and 121.2 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 360]: 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 3 procedures, 75 locations, 1 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 99 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred 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, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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...