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/just_assert.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:08:13,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:08:13,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:08:13,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:08:13,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:08:13,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:08:13,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:08:13,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:08:13,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:08:13,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:08:13,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:08:13,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:08:13,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:08:13,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:08:13,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:08:13,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:08:13,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:08:13,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:08:13,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:08:13,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:08:13,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:08:13,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:08:13,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:08:13,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:08:13,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 23:08:13,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:08:13,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:08:13,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:08:13,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:08:13,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:08:13,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:08:13,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:08:13,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:08:13,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:08:13,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:08:13,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:08:13,665 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 [2019-10-14 23:08:13,678 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:08:13,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:08:13,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:08:13,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:08:13,680 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:08:13,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:08:13,681 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:08:13,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:08:13,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:08:13,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:08:13,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:08:13,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:08:13,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:08:13,682 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:08:13,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:08:13,683 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:08:13,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:08:13,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:08:13,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:08:13,683 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:08:13,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:08:13,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:08:13,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:08:13,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:08:13,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:08:13,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:08:13,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:08:13,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:08:13,685 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:08:13,963 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:08:13,984 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:08:13,988 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:08:13,989 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:08:13,989 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:08:13,990 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/just_assert.i [2019-10-14 23:08:14,074 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4f4ab02e/de1a16080a434f42887b81fcc49903d8/FLAG3a88c68f1 [2019-10-14 23:08:14,517 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:08:14,518 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/just_assert.i [2019-10-14 23:08:14,524 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4f4ab02e/de1a16080a434f42887b81fcc49903d8/FLAG3a88c68f1 [2019-10-14 23:08:14,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4f4ab02e/de1a16080a434f42887b81fcc49903d8 [2019-10-14 23:08:14,935 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:08:14,938 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:08:14,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:08:14,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:08:14,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:08:14,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:08:14" (1/1) ... [2019-10-14 23:08:14,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e2e9cf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:14, skipping insertion in model container [2019-10-14 23:08:14,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:08:14" (1/1) ... [2019-10-14 23:08:14,956 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:08:14,975 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:08:15,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:08:15,123 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:08:15,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:08:15,144 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:08:15,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:15 WrapperNode [2019-10-14 23:08:15,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:08:15,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:08:15,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:08:15,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:08:15,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:15" (1/1) ... [2019-10-14 23:08:15,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:15" (1/1) ... [2019-10-14 23:08:15,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:15" (1/1) ... [2019-10-14 23:08:15,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:15" (1/1) ... [2019-10-14 23:08:15,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:15" (1/1) ... [2019-10-14 23:08:15,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:15" (1/1) ... [2019-10-14 23:08:15,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:15" (1/1) ... [2019-10-14 23:08:15,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:08:15,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:08:15,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:08:15,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:08:15,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:15" (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 [2019-10-14 23:08:15,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:08:15,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:08:15,327 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:08:15,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:08:15,327 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:08:15,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:08:15,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:08:15,422 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:08:15,423 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 23:08:15,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:08:15 BoogieIcfgContainer [2019-10-14 23:08:15,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:08:15,425 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:08:15,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:08:15,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:08:15,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:08:14" (1/3) ... [2019-10-14 23:08:15,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cd5eea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:08:15, skipping insertion in model container [2019-10-14 23:08:15,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:15" (2/3) ... [2019-10-14 23:08:15,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cd5eea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:08:15, skipping insertion in model container [2019-10-14 23:08:15,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:08:15" (3/3) ... [2019-10-14 23:08:15,432 INFO L109 eAbstractionObserver]: Analyzing ICFG just_assert.i [2019-10-14 23:08:15,440 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:08:15,446 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:08:15,455 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:08:15,477 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:08:15,477 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:08:15,478 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:08:15,478 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:08:15,478 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:08:15,478 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:08:15,478 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:08:15,478 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:08:15,496 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2019-10-14 23:08:15,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-14 23:08:15,501 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:08:15,502 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-10-14 23:08:15,504 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:08:15,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:08:15,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1317434133, now seen corresponding path program 1 times [2019-10-14 23:08:15,516 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:08:15,516 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46836894] [2019-10-14 23:08:15,516 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:15,516 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:15,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:08:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:15,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:08:15,603 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46836894] [2019-10-14 23:08:15,604 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:08:15,604 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-14 23:08:15,604 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102318459] [2019-10-14 23:08:15,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-14 23:08:15,608 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:08:15,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-14 23:08:15,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-14 23:08:15,622 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 2 states. [2019-10-14 23:08:15,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:08:15,642 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2019-10-14 23:08:15,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-14 23:08:15,644 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2019-10-14 23:08:15,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:08:15,650 INFO L225 Difference]: With dead ends: 17 [2019-10-14 23:08:15,650 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 23:08:15,654 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-14 23:08:15,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 23:08:15,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 23:08:15,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 23:08:15,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 23:08:15,680 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-10-14 23:08:15,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:08:15,681 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 23:08:15,681 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-14 23:08:15,681 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 23:08:15,681 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 23:08:15,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 23:08:15,717 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2019-10-14 23:08:15,717 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:08:15,717 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:08:15,718 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-14 23:08:15,718 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 23:08:15,718 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:08:15,718 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 5 11) the Hoare annotation is: true [2019-10-14 23:08:15,718 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 5 11) no Hoare annotation was computed. [2019-10-14 23:08:15,719 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 5 11) no Hoare annotation was computed. [2019-10-14 23:08:15,719 INFO L443 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2019-10-14 23:08:15,719 INFO L443 ceAbstractionStarter]: For program point L7-1(lines 7 9) no Hoare annotation was computed. [2019-10-14 23:08:15,719 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2019-10-14 23:08:15,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:08:15 BoogieIcfgContainer [2019-10-14 23:08:15,724 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 23:08:15,727 INFO L168 Benchmark]: Toolchain (without parser) took 789.09 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 102.6 MB in the beginning and 152.9 MB in the end (delta: -50.3 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. [2019-10-14 23:08:15,728 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 23:08:15,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 205.76 ms. Allocated memory is still 144.7 MB. Free memory was 102.4 MB in the beginning and 93.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-10-14 23:08:15,730 INFO L168 Benchmark]: Boogie Preprocessor took 23.53 ms. Allocated memory is still 144.7 MB. Free memory was 93.6 MB in the beginning and 92.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. [2019-10-14 23:08:15,731 INFO L168 Benchmark]: RCFGBuilder took 255.26 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 92.1 MB in the beginning and 172.6 MB in the end (delta: -80.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-14 23:08:15,732 INFO L168 Benchmark]: TraceAbstraction took 298.25 ms. Allocated memory is still 201.3 MB. Free memory was 172.6 MB in the beginning and 152.9 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2019-10-14 23:08:15,736 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 205.76 ms. Allocated memory is still 144.7 MB. Free memory was 102.4 MB in the beginning and 93.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.53 ms. Allocated memory is still 144.7 MB. Free memory was 93.6 MB in the beginning and 92.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 255.26 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 92.1 MB in the beginning and 172.6 MB in the end (delta: -80.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 298.25 ms. Allocated memory is still 201.3 MB. Free memory was 172.6 MB in the beginning and 152.9 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: 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, 12 locations, 1 error locations. Result: SAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 9 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 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...