/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test30-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 21:56:59,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 21:56:59,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 21:56:59,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 21:56:59,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 21:56:59,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 21:56:59,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 21:56:59,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 21:56:59,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 21:56:59,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 21:56:59,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 21:56:59,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 21:56:59,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 21:56:59,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 21:56:59,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 21:56:59,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 21:56:59,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 21:56:59,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-23 21:56:59,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-23 21:56:59,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-23 21:56:59,671 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 [2019-11-23 21:56:59,695 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 21:56:59,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 21:56:59,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 21:56:59,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 21:56:59,698 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 21:56:59,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 21:56:59,698 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 21:56:59,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 21:56:59,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 21:56:59,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 21:56:59,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 21:56:59,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 21:56:59,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 21:56:59,701 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 21:56:59,701 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 21:56:59,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 21:56:59,701 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 21:56:59,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 21:56:59,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 21:56:59,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 21:56:59,702 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 21:56:59,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 21:56:59,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 21:56:59,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 21:56:59,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 21:56:59,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 21:56:59,704 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 21:56:59,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 21:56:59,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 21:56:59,704 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 21:57:00,015 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 21:57:00,035 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 21:57:00,040 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 21:57:00,041 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 21:57:00,042 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 21:57:00,042 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test30-1.c [2019-11-23 21:57:00,101 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50ea442d5/c3976ccb58284029a908b4bc2c9dabe3/FLAG005aef1fc [2019-11-23 21:57:00,546 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 21:57:00,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test30-1.c [2019-11-23 21:57:00,553 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50ea442d5/c3976ccb58284029a908b4bc2c9dabe3/FLAG005aef1fc [2019-11-23 21:57:00,939 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50ea442d5/c3976ccb58284029a908b4bc2c9dabe3 [2019-11-23 21:57:00,951 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 21:57:00,953 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 21:57:00,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 21:57:00,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 21:57:00,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 21:57:00,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:57:00" (1/1) ... [2019-11-23 21:57:00,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24048c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:00, skipping insertion in model container [2019-11-23 21:57:00,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:57:00" (1/1) ... [2019-11-23 21:57:00,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 21:57:00,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 21:57:01,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:57:01,150 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 21:57:01,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:57:01,180 INFO L208 MainTranslator]: Completed translation [2019-11-23 21:57:01,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:01 WrapperNode [2019-11-23 21:57:01,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 21:57:01,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 21:57:01,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 21:57:01,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 21:57:01,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:01" (1/1) ... [2019-11-23 21:57:01,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:01" (1/1) ... [2019-11-23 21:57:01,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 21:57:01,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 21:57:01,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 21:57:01,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 21:57:01,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:01" (1/1) ... [2019-11-23 21:57:01,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:01" (1/1) ... [2019-11-23 21:57:01,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:01" (1/1) ... [2019-11-23 21:57:01,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:01" (1/1) ... [2019-11-23 21:57:01,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:01" (1/1) ... [2019-11-23 21:57:01,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:01" (1/1) ... [2019-11-23 21:57:01,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:01" (1/1) ... [2019-11-23 21:57:01,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 21:57:01,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 21:57:01,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 21:57:01,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 21:57:01,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:01" (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 [2019-11-23 21:57:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-23 21:57:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-23 21:57:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-23 21:57:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-23 21:57:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 21:57:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 21:57:01,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 21:57:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 21:57:01,612 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 21:57:01,613 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-23 21:57:01,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:57:01 BoogieIcfgContainer [2019-11-23 21:57:01,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 21:57:01,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 21:57:01,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 21:57:01,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 21:57:01,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:57:00" (1/3) ... [2019-11-23 21:57:01,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1f328c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:57:01, skipping insertion in model container [2019-11-23 21:57:01,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:57:01" (2/3) ... [2019-11-23 21:57:01,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1f328c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:57:01, skipping insertion in model container [2019-11-23 21:57:01,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:57:01" (3/3) ... [2019-11-23 21:57:01,622 INFO L109 eAbstractionObserver]: Analyzing ICFG test30-1.c [2019-11-23 21:57:01,632 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 21:57:01,639 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 21:57:01,655 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 21:57:01,699 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 21:57:01,699 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 21:57:01,700 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 21:57:01,700 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 21:57:01,700 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 21:57:01,700 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 21:57:01,700 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 21:57:01,701 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 21:57:01,721 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-11-23 21:57:01,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-23 21:57:01,730 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:57:01,731 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-23 21:57:01,731 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:57:01,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:57:01,739 INFO L82 PathProgramCache]: Analyzing trace with hash 889475945, now seen corresponding path program 1 times [2019-11-23 21:57:01,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:57:01,750 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211228458] [2019-11-23 21:57:01,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:57:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:57:02,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:57:02,132 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211228458] [2019-11-23 21:57:02,133 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:57:02,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 21:57:02,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151310421] [2019-11-23 21:57:02,141 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-23 21:57:02,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:57:02,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-23 21:57:02,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-23 21:57:02,161 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 5 states. [2019-11-23 21:57:02,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:57:02,225 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-11-23 21:57:02,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 21:57:02,227 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2019-11-23 21:57:02,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:57:02,234 INFO L225 Difference]: With dead ends: 13 [2019-11-23 21:57:02,235 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 21:57:02,238 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-23 21:57:02,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 21:57:02,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 21:57:02,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 21:57:02,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 21:57:02,267 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-11-23 21:57:02,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:57:02,268 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 21:57:02,268 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-23 21:57:02,268 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 21:57:02,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 21:57:02,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 21:57:02,289 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 21:57:02,289 INFO L440 ceAbstractionStarter]: At program point L32(lines 19 33) the Hoare annotation is: (= (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)) [2019-11-23 21:57:02,290 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-23 21:57:02,290 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 21:57:02,290 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-23 21:57:02,290 INFO L440 ceAbstractionStarter]: At program point L26(lines 20 33) the Hoare annotation is: false [2019-11-23 21:57:02,290 INFO L444 ceAbstractionStarter]: For program point L25(lines 25 27) no Hoare annotation was computed. [2019-11-23 21:57:02,292 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2019-11-23 21:57:02,292 INFO L444 ceAbstractionStarter]: For program point L14(lines 14 17) no Hoare annotation was computed. [2019-11-23 21:57:02,292 INFO L444 ceAbstractionStarter]: For program point L9(lines 9 12) no Hoare annotation was computed. [2019-11-23 21:57:02,308 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 21:57:02,309 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 21:57:02,314 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 21:57:02,314 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 21:57:02,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:57:02 BoogieIcfgContainer [2019-11-23 21:57:02,322 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 21:57:02,326 INFO L168 Benchmark]: Toolchain (without parser) took 1371.05 ms. Allocated memory was 143.1 MB in the beginning and 199.8 MB in the end (delta: 56.6 MB). Free memory was 101.2 MB in the beginning and 128.5 MB in the end (delta: -27.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. [2019-11-23 21:57:02,328 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 143.1 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-23 21:57:02,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.16 ms. Allocated memory is still 143.1 MB. Free memory was 101.0 MB in the beginning and 90.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-11-23 21:57:02,332 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.68 ms. Allocated memory was 143.1 MB in the beginning and 199.8 MB in the end (delta: 56.6 MB). Free memory was 90.4 MB in the beginning and 177.8 MB in the end (delta: -87.4 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-11-23 21:57:02,333 INFO L168 Benchmark]: Boogie Preprocessor took 20.71 ms. Allocated memory is still 199.8 MB. Free memory was 177.8 MB in the beginning and 176.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-11-23 21:57:02,335 INFO L168 Benchmark]: RCFGBuilder took 290.56 ms. Allocated memory is still 199.8 MB. Free memory was 176.4 MB in the beginning and 161.3 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-11-23 21:57:02,336 INFO L168 Benchmark]: TraceAbstraction took 706.22 ms. Allocated memory is still 199.8 MB. Free memory was 161.3 MB in the beginning and 128.5 MB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. [2019-11-23 21:57:02,346 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 143.1 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 225.16 ms. Allocated memory is still 143.1 MB. Free memory was 101.0 MB in the beginning and 90.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 121.68 ms. Allocated memory was 143.1 MB in the beginning and 199.8 MB in the end (delta: 56.6 MB). Free memory was 90.4 MB in the beginning and 177.8 MB in the end (delta: -87.4 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.71 ms. Allocated memory is still 199.8 MB. Free memory was 177.8 MB in the beginning and 176.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 290.56 ms. Allocated memory is still 199.8 MB. Free memory was 176.4 MB in the beginning and 161.3 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 706.22 ms. Allocated memory is still 199.8 MB. Free memory was 161.3 MB in the beginning and 128.5 MB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 31]: 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: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant [2019-11-23 21:57:02,356 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 21:57:02,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 21:57:02,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 21:57:02,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: unknown-#memory_int-unknown[b][b] == unknown-#memory_int-unknown[a][a] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 3 SDslu, 7 SDs, 0 SdLazy, 9 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 12 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 345 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...