java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test26-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:09:39,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:09:39,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:09:39,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:09:39,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:09:39,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:09:39,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:09:39,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:09:39,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:09:39,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:09:39,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:09:39,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:09:39,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:09:39,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:09:39,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:09:39,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:09:39,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:09:39,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:09:39,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:09:39,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:09:39,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:09:39,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:09:39,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:09:39,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:09:39,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 19:09:39,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:09:39,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:09:39,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:09:39,692 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 [2019-10-13 19:09:39,713 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:09:39,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:09:39,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:09:39,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:09:39,715 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:09:39,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:09:39,715 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:09:39,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:09:39,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:09:39,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:09:39,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:09:39,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:09:39,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:09:39,718 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:09:39,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:09:39,718 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:09:39,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:09:39,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:09:39,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:09:39,719 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:09:39,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:09:39,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:09:39,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:09:39,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:09:39,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:09:39,720 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:09:39,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:09:39,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:09:39,721 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:09:40,009 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:09:40,022 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:09:40,026 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:09:40,027 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:09:40,028 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:09:40,028 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test26-1.c [2019-10-13 19:09:40,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4893999a/5b547dda34a540f99bcd1353ca2b1cb0/FLAGb83acd8f8 [2019-10-13 19:09:40,561 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:09:40,562 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test26-1.c [2019-10-13 19:09:40,570 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4893999a/5b547dda34a540f99bcd1353ca2b1cb0/FLAGb83acd8f8 [2019-10-13 19:09:40,863 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4893999a/5b547dda34a540f99bcd1353ca2b1cb0 [2019-10-13 19:09:40,873 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:09:40,874 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:09:40,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:09:40,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:09:40,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:09:40,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:09:40" (1/1) ... [2019-10-13 19:09:40,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d2b86e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:40, skipping insertion in model container [2019-10-13 19:09:40,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:09:40" (1/1) ... [2019-10-13 19:09:40,892 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:09:40,911 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:09:41,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:09:41,086 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:09:41,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:09:41,120 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:09:41,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:41 WrapperNode [2019-10-13 19:09:41,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:09:41,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:09:41,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:09:41,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:09:41,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:41" (1/1) ... [2019-10-13 19:09:41,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:41" (1/1) ... [2019-10-13 19:09:41,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:41" (1/1) ... [2019-10-13 19:09:41,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:41" (1/1) ... [2019-10-13 19:09:41,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:41" (1/1) ... [2019-10-13 19:09:41,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:41" (1/1) ... [2019-10-13 19:09:41,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:41" (1/1) ... [2019-10-13 19:09:41,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:09:41,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:09:41,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:09:41,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:09:41,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:41" (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 [2019-10-13 19:09:41,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:09:41,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:09:41,287 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-10-13 19:09:41,287 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:09:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:09:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-10-13 19:09:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:09:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:09:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:09:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:09:41,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:09:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:09:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:09:41,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:09:41,458 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:09:41,458 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 19:09:41,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:09:41 BoogieIcfgContainer [2019-10-13 19:09:41,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:09:41,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:09:41,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:09:41,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:09:41,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:09:40" (1/3) ... [2019-10-13 19:09:41,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4c1f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:09:41, skipping insertion in model container [2019-10-13 19:09:41,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:09:41" (2/3) ... [2019-10-13 19:09:41,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4c1f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:09:41, skipping insertion in model container [2019-10-13 19:09:41,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:09:41" (3/3) ... [2019-10-13 19:09:41,468 INFO L109 eAbstractionObserver]: Analyzing ICFG test26-1.c [2019-10-13 19:09:41,478 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:09:41,485 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:09:41,497 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:09:41,542 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:09:41,543 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:09:41,543 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:09:41,543 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:09:41,543 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:09:41,543 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:09:41,543 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:09:41,544 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:09:41,579 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-10-13 19:09:41,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-13 19:09:41,587 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:09:41,589 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:09:41,591 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:09:41,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:09:41,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1573149608, now seen corresponding path program 1 times [2019-10-13 19:09:41,612 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:09:41,612 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392993358] [2019-10-13 19:09:41,613 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:09:41,613 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:09:41,613 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:09:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:09:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:09:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:09:42,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:09:42,027 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392993358] [2019-10-13 19:09:42,028 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:09:42,028 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 19:09:42,028 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734185822] [2019-10-13 19:09:42,034 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 19:09:42,035 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:09:42,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 19:09:42,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 19:09:42,053 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 8 states. [2019-10-13 19:09:42,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:09:42,370 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-10-13 19:09:42,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 19:09:42,373 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2019-10-13 19:09:42,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:09:42,380 INFO L225 Difference]: With dead ends: 22 [2019-10-13 19:09:42,381 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 19:09:42,385 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:09:42,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 19:09:42,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 19:09:42,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 19:09:42,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 19:09:42,411 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-10-13 19:09:42,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:09:42,412 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 19:09:42,412 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 19:09:42,412 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 19:09:42,413 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 19:09:42,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 19:09:42,551 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:09:42,551 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |~#global~0.base| |old(~#global~0.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#global~0.offset| |old(~#global~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|)) [2019-10-13 19:09:42,552 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:09:42,552 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:09:42,552 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-13 19:09:42,552 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 19:09:42,553 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:09:42,553 INFO L439 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: (and (= |~#global~0.base| main_~pd~0.base) (= |#memory_int| |old(#memory_int)|) (= main_~pd~0.offset |~#global~0.offset|)) [2019-10-13 19:09:42,553 INFO L443 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2019-10-13 19:09:42,553 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 12 26) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2019-10-13 19:09:42,554 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 12 26) no Hoare annotation was computed. [2019-10-13 19:09:42,567 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 12 26) no Hoare annotation was computed. [2019-10-13 19:09:42,568 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 24) no Hoare annotation was computed. [2019-10-13 19:09:42,569 INFO L439 ceAbstractionStarter]: At program point L19(lines 13 26) the Hoare annotation is: false [2019-10-13 19:09:42,569 INFO L443 ceAbstractionStarter]: For program point L18(lines 18 20) no Hoare annotation was computed. [2019-10-13 19:09:42,570 INFO L443 ceAbstractionStarter]: For program point assignEXIT(lines 7 10) no Hoare annotation was computed. [2019-10-13 19:09:42,570 INFO L439 ceAbstractionStarter]: At program point assignENTRY(lines 7 10) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2019-10-13 19:09:42,570 INFO L443 ceAbstractionStarter]: For program point assignFINAL(lines 7 10) no Hoare annotation was computed. [2019-10-13 19:09:42,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:09:42 BoogieIcfgContainer [2019-10-13 19:09:42,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 19:09:42,585 INFO L168 Benchmark]: Toolchain (without parser) took 1706.81 ms. Allocated memory was 138.4 MB in the beginning and 235.9 MB in the end (delta: 97.5 MB). Free memory was 103.6 MB in the beginning and 206.8 MB in the end (delta: -103.2 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2019-10-13 19:09:42,587 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 19:09:42,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.33 ms. Allocated memory is still 138.4 MB. Free memory was 103.4 MB in the beginning and 93.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-13 19:09:42,593 INFO L168 Benchmark]: Boogie Preprocessor took 114.11 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 93.6 MB in the beginning and 181.5 MB in the end (delta: -87.9 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-10-13 19:09:42,594 INFO L168 Benchmark]: RCFGBuilder took 223.59 ms. Allocated memory is still 202.9 MB. Free memory was 181.5 MB in the beginning and 168.6 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-10-13 19:09:42,596 INFO L168 Benchmark]: TraceAbstraction took 1118.30 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 168.6 MB in the beginning and 206.8 MB in the end (delta: -38.2 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2019-10-13 19:09:42,607 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 246.33 ms. Allocated memory is still 138.4 MB. Free memory was 103.4 MB in the beginning and 93.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.11 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 93.6 MB in the beginning and 181.5 MB in the end (delta: -87.9 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 223.59 ms. Allocated memory is still 202.9 MB. Free memory was 181.5 MB in the beginning and 168.6 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1118.30 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 168.6 MB in the beginning and 206.8 MB in the end (delta: -38.2 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 24]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. Result: SAFE, OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 9 SDtfs, 10 SDslu, 19 SDs, 0 SdLazy, 49 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 38 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 59 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 1032 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...