/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=HIGHLEXORDER -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/oomInt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 19:30:40,714 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-18 19:30:40,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 19:30:40,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 19:30:40,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 19:30:40,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 19:30:40,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 19:30:40,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 19:30:40,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 19:30:40,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 19:30:40,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 19:30:40,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 19:30:40,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 19:30:40,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 19:30:40,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 19:30:40,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 19:30:40,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 19:30:40,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 19:30:40,774 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 19:30:40,797 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 19:30:40,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 19:30:40,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 19:30:40,799 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 19:30:40,799 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 19:30:40,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 19:30:40,799 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 19:30:40,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 19:30:40,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 19:30:40,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 19:30:40,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 19:30:40,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 19:30:40,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 19:30:40,801 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 19:30:40,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 19:30:40,801 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 19:30:40,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 19:30:40,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 19:30:40,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 19:30:40,802 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 19:30:40,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 19:30:40,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 19:30:40,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 19:30:40,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 19:30:40,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 19:30:40,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 19:30:40,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 19:30:40,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 19:30:40,804 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 19:30:40,804 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=HIGHLEXORDER; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=HIGHLEXORDER; [2020-08-18 19:30:41,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 19:30:41,139 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 19:30:41,142 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 19:30:41,144 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 19:30:41,144 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 19:30:41,145 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/oomInt.i [2020-08-18 19:30:41,206 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/acd683273/90bb19b4492744ea994f33960dd2cacb/FLAGa5d18867a [2020-08-18 19:30:41,616 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 19:30:41,619 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/oomInt.i [2020-08-18 19:30:41,626 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/acd683273/90bb19b4492744ea994f33960dd2cacb/FLAGa5d18867a [2020-08-18 19:30:41,992 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/acd683273/90bb19b4492744ea994f33960dd2cacb [2020-08-18 19:30:42,002 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 19:30:42,004 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 19:30:42,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 19:30:42,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 19:30:42,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 19:30:42,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:30:41" (1/1) ... [2020-08-18 19:30:42,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13ba5b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:30:42, skipping insertion in model container [2020-08-18 19:30:42,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:30:41" (1/1) ... [2020-08-18 19:30:42,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 19:30:42,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 19:30:42,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 19:30:42,206 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 19:30:42,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 19:30:42,236 INFO L208 MainTranslator]: Completed translation [2020-08-18 19:30:42,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:30:42 WrapperNode [2020-08-18 19:30:42,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 19:30:42,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 19:30:42,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 19:30:42,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 19:30:42,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:30:42" (1/1) ... [2020-08-18 19:30:42,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:30:42" (1/1) ... [2020-08-18 19:30:42,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:30:42" (1/1) ... [2020-08-18 19:30:42,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:30:42" (1/1) ... [2020-08-18 19:30:42,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:30:42" (1/1) ... [2020-08-18 19:30:42,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:30:42" (1/1) ... [2020-08-18 19:30:42,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:30:42" (1/1) ... [2020-08-18 19:30:42,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 19:30:42,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 19:30:42,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 19:30:42,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 19:30:42,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:30:42" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-18 19:30:42,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 19:30:42,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 19:30:42,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-08-18 19:30:42,409 INFO L138 BoogieDeclarations]: Found implementation of procedure abs_int [2020-08-18 19:30:42,409 INFO L138 BoogieDeclarations]: Found implementation of procedure firstFunction [2020-08-18 19:30:42,409 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 19:30:42,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 19:30:42,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-18 19:30:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure abs_int [2020-08-18 19:30:42,411 INFO L130 BoogieDeclarations]: Found specification of procedure firstFunction [2020-08-18 19:30:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 19:30:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 19:30:42,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 19:30:42,585 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 19:30:42,585 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-18 19:30:42,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:30:42 BoogieIcfgContainer [2020-08-18 19:30:42,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 19:30:42,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 19:30:42,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 19:30:42,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 19:30:42,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 07:30:41" (1/3) ... [2020-08-18 19:30:42,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad52c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 07:30:42, skipping insertion in model container [2020-08-18 19:30:42,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:30:42" (2/3) ... [2020-08-18 19:30:42,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad52c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 07:30:42, skipping insertion in model container [2020-08-18 19:30:42,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:30:42" (3/3) ... [2020-08-18 19:30:42,599 INFO L109 eAbstractionObserver]: Analyzing ICFG oomInt.i [2020-08-18 19:30:42,610 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 19:30:42,617 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 19:30:42,631 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 19:30:42,656 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 19:30:42,657 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 19:30:42,657 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 19:30:42,657 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 19:30:42,657 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 19:30:42,657 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 19:30:42,658 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 19:30:42,658 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 19:30:42,677 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-08-18 19:30:42,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-08-18 19:30:42,684 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 19:30:42,685 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 19:30:42,685 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 19:30:42,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 19:30:42,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1310527286, now seen corresponding path program 1 times [2020-08-18 19:30:42,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 19:30:42,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1237643052] [2020-08-18 19:30:42,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 19:30:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:30:43,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 19:30:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:30:43,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 19:30:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 19:30:43,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 19:30:43,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1237643052] [2020-08-18 19:30:43,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 19:30:43,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 19:30:43,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803295981] [2020-08-18 19:30:43,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 19:30:43,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 19:30:43,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 19:30:43,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-08-18 19:30:43,239 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 9 states. [2020-08-18 19:30:43,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 19:30:43,454 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2020-08-18 19:30:43,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 19:30:43,456 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2020-08-18 19:30:43,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 19:30:43,464 INFO L225 Difference]: With dead ends: 33 [2020-08-18 19:30:43,465 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 19:30:43,468 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-08-18 19:30:43,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 19:30:43,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 19:30:43,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 19:30:43,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 19:30:43,498 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-08-18 19:30:43,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 19:30:43,499 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 19:30:43,499 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 19:30:43,499 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 19:30:43,500 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 19:30:43,500 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 19:30:43,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 19:30:43,540 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 19:30:43,541 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~p~0 |old(~p~0)|) [2020-08-18 19:30:43,541 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 19:30:43,541 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 19:30:43,542 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-18 19:30:43,542 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 19:30:43,542 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 19:30:43,542 INFO L268 CegarLoopResult]: For program point abs_intEXIT(lines 16 25) no Hoare annotation was computed. [2020-08-18 19:30:43,543 INFO L271 CegarLoopResult]: At program point abs_intENTRY(lines 16 25) the Hoare annotation is: true [2020-08-18 19:30:43,543 INFO L268 CegarLoopResult]: For program point L18(lines 18 24) no Hoare annotation was computed. [2020-08-18 19:30:43,543 INFO L268 CegarLoopResult]: For program point abs_intFINAL(lines 16 25) no Hoare annotation was computed. [2020-08-18 19:30:43,543 INFO L264 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: (<= 1 ~p~0) [2020-08-18 19:30:43,543 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-08-18 19:30:43,543 INFO L264 CegarLoopResult]: At program point firstFunctionENTRY(lines 27 31) the Hoare annotation is: (= ~p~0 |old(~p~0)|) [2020-08-18 19:30:43,543 INFO L268 CegarLoopResult]: For program point firstFunctionFINAL(lines 27 31) no Hoare annotation was computed. [2020-08-18 19:30:43,544 INFO L268 CegarLoopResult]: For program point firstFunctionEXIT(lines 27 31) no Hoare annotation was computed. [2020-08-18 19:30:43,544 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 33 36) the Hoare annotation is: (= ~p~0 |old(~p~0)|) [2020-08-18 19:30:43,544 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 33 36) no Hoare annotation was computed. [2020-08-18 19:30:43,544 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 33 36) no Hoare annotation was computed. [2020-08-18 19:30:43,544 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 6 12) the Hoare annotation is: true [2020-08-18 19:30:43,544 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-08-18 19:30:43,545 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 6 12) no Hoare annotation was computed. [2020-08-18 19:30:43,545 INFO L268 CegarLoopResult]: For program point L8(lines 8 11) no Hoare annotation was computed. [2020-08-18 19:30:43,545 INFO L268 CegarLoopResult]: For program point L8-2(lines 6 12) no Hoare annotation was computed. [2020-08-18 19:30:43,545 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2020-08-18 19:30:43,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 07:30:43 BoogieIcfgContainer [2020-08-18 19:30:43,552 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 19:30:43,555 INFO L168 Benchmark]: Toolchain (without parser) took 1550.95 ms. Allocated memory was 136.8 MB in the beginning and 199.2 MB in the end (delta: 62.4 MB). Free memory was 99.9 MB in the beginning and 113.7 MB in the end (delta: -13.8 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. [2020-08-18 19:30:43,557 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 136.8 MB. Free memory was 118.4 MB in the beginning and 118.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 19:30:43,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.24 ms. Allocated memory is still 136.8 MB. Free memory was 99.7 MB in the beginning and 90.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-08-18 19:30:43,559 INFO L168 Benchmark]: Boogie Preprocessor took 104.25 ms. Allocated memory was 136.8 MB in the beginning and 199.2 MB in the end (delta: 62.4 MB). Free memory was 90.3 MB in the beginning and 178.3 MB in the end (delta: -88.0 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2020-08-18 19:30:43,560 INFO L168 Benchmark]: RCFGBuilder took 248.06 ms. Allocated memory is still 199.2 MB. Free memory was 178.3 MB in the beginning and 166.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2020-08-18 19:30:43,561 INFO L168 Benchmark]: TraceAbstraction took 961.45 ms. Allocated memory is still 199.2 MB. Free memory was 165.7 MB in the beginning and 113.7 MB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 7.1 GB. [2020-08-18 19:30:43,565 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 136.8 MB. Free memory was 118.4 MB in the beginning and 118.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 232.24 ms. Allocated memory is still 136.8 MB. Free memory was 99.7 MB in the beginning and 90.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.25 ms. Allocated memory was 136.8 MB in the beginning and 199.2 MB in the end (delta: 62.4 MB). Free memory was 90.3 MB in the beginning and 178.3 MB in the end (delta: -88.0 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 248.06 ms. Allocated memory is still 199.2 MB. Free memory was 178.3 MB in the beginning and 166.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 961.45 ms. Allocated memory is still 199.2 MB. Free memory was 165.7 MB in the beginning and 113.7 MB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: 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 6 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 SDtfs, 24 SDslu, 71 SDs, 0 SdLazy, 58 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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, 8 LocationsWithAnnotation, 8 PreInvPairs, 8 NumberOfFragments, 16 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 20 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 795 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...