/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/oomInt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 03:50:01,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 03:50:01,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 03:50:01,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 03:50:01,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 03:50:01,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 03:50:01,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 03:50:01,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 03:50:01,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 03:50:01,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 03:50:01,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 03:50:01,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 03:50:01,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 03:50:01,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 03:50:01,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 03:50:01,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 03:50:01,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 03:50:01,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 03:50:01,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 03:50:01,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 03:50:01,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 03:50:01,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 03:50:01,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 03:50:01,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 03:50:01,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 03:50:01,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 03:50:01,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 03:50:01,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 03:50:01,682 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 [2019-11-07 03:50:01,705 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 03:50:01,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 03:50:01,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 03:50:01,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 03:50:01,706 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 03:50:01,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 03:50:01,707 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 03:50:01,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 03:50:01,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 03:50:01,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 03:50:01,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 03:50:01,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 03:50:01,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 03:50:01,708 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 03:50:01,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 03:50:01,709 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 03:50:01,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 03:50:01,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 03:50:01,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 03:50:01,709 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 03:50:01,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 03:50:01,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 03:50:01,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 03:50:01,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 03:50:01,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 03:50:01,711 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 03:50:01,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 03:50:01,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 03:50:01,712 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 03:50:01,995 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 03:50:02,009 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 03:50:02,012 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 03:50:02,014 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 03:50:02,014 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 03:50:02,015 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/oomInt.i [2019-11-07 03:50:02,098 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b418c4034/5a7518f24d21422bbabd8f02822107db/FLAG1ebf2cf4b [2019-11-07 03:50:02,524 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 03:50:02,525 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/oomInt.i [2019-11-07 03:50:02,532 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b418c4034/5a7518f24d21422bbabd8f02822107db/FLAG1ebf2cf4b [2019-11-07 03:50:02,953 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b418c4034/5a7518f24d21422bbabd8f02822107db [2019-11-07 03:50:02,966 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 03:50:02,980 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 03:50:02,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 03:50:02,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 03:50:02,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 03:50:02,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:50:02" (1/1) ... [2019-11-07 03:50:03,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a7a63ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:50:02, skipping insertion in model container [2019-11-07 03:50:03,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:50:02" (1/1) ... [2019-11-07 03:50:03,023 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 03:50:03,064 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 03:50:03,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:50:03,414 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 03:50:03,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:50:03,464 INFO L192 MainTranslator]: Completed translation [2019-11-07 03:50:03,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:50:03 WrapperNode [2019-11-07 03:50:03,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 03:50:03,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 03:50:03,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 03:50:03,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 03:50:03,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:50:03" (1/1) ... [2019-11-07 03:50:03,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:50:03" (1/1) ... [2019-11-07 03:50:03,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:50:03" (1/1) ... [2019-11-07 03:50:03,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:50:03" (1/1) ... [2019-11-07 03:50:03,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:50:03" (1/1) ... [2019-11-07 03:50:03,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:50:03" (1/1) ... [2019-11-07 03:50:03,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:50:03" (1/1) ... [2019-11-07 03:50:03,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 03:50:03,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 03:50:03,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 03:50:03,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 03:50:03,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:50:03" (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 [2019-11-07 03:50:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 03:50:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 03:50:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 03:50:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure abs_int [2019-11-07 03:50:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure firstFunction [2019-11-07 03:50:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 03:50:03,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 03:50:03,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 03:50:03,745 INFO L130 BoogieDeclarations]: Found specification of procedure abs_int [2019-11-07 03:50:03,745 INFO L130 BoogieDeclarations]: Found specification of procedure firstFunction [2019-11-07 03:50:03,745 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 03:50:03,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 03:50:03,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 03:50:03,953 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 03:50:03,954 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 03:50:03,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:50:03 BoogieIcfgContainer [2019-11-07 03:50:03,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 03:50:03,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 03:50:03,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 03:50:03,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 03:50:03,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:50:02" (1/3) ... [2019-11-07 03:50:03,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f59e869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:50:03, skipping insertion in model container [2019-11-07 03:50:03,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:50:03" (2/3) ... [2019-11-07 03:50:03,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f59e869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:50:03, skipping insertion in model container [2019-11-07 03:50:03,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:50:03" (3/3) ... [2019-11-07 03:50:03,987 INFO L109 eAbstractionObserver]: Analyzing ICFG oomInt.i [2019-11-07 03:50:04,006 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 03:50:04,016 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 03:50:04,033 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 03:50:04,070 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 03:50:04,070 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 03:50:04,070 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 03:50:04,072 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 03:50:04,072 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 03:50:04,072 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 03:50:04,072 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 03:50:04,072 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 03:50:04,092 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-11-07 03:50:04,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-07 03:50:04,097 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:50:04,098 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:50:04,100 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:50:04,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:50:04,105 INFO L82 PathProgramCache]: Analyzing trace with hash 583139389, now seen corresponding path program 1 times [2019-11-07 03:50:04,112 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:50:04,112 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549115142] [2019-11-07 03:50:04,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:50:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:50:04,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 03:50:04,366 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549115142] [2019-11-07 03:50:04,367 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:50:04,367 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 03:50:04,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721161254] [2019-11-07 03:50:04,372 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 03:50:04,373 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:50:04,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 03:50:04,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 03:50:04,385 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 7 states. [2019-11-07 03:50:04,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:50:04,499 INFO L93 Difference]: Finished difference Result 30 states and 29 transitions. [2019-11-07 03:50:04,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 03:50:04,502 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2019-11-07 03:50:04,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:50:04,509 INFO L225 Difference]: With dead ends: 30 [2019-11-07 03:50:04,509 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 03:50:04,513 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 03:50:04,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 03:50:04,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 03:50:04,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 03:50:04,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 03:50:04,540 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-07 03:50:04,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:50:04,540 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 03:50:04,540 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 03:50:04,540 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 03:50:04,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 03:50:04,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 03:50:04,591 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-11-07 03:50:04,591 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 03:50:04,592 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 03:50:04,592 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-11-07 03:50:04,592 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 03:50:04,592 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 03:50:04,593 INFO L443 ceAbstractionStarter]: For program point abs_intEXIT(lines 16 25) no Hoare annotation was computed. [2019-11-07 03:50:04,593 INFO L446 ceAbstractionStarter]: At program point abs_intENTRY(lines 16 25) the Hoare annotation is: true [2019-11-07 03:50:04,593 INFO L439 ceAbstractionStarter]: At program point L30(line 30) the Hoare annotation is: (<= 3 ~p~0) [2019-11-07 03:50:04,593 INFO L443 ceAbstractionStarter]: For program point L29(line 29) no Hoare annotation was computed. [2019-11-07 03:50:04,593 INFO L446 ceAbstractionStarter]: At program point firstFunctionENTRY(lines 27 31) the Hoare annotation is: true [2019-11-07 03:50:04,594 INFO L443 ceAbstractionStarter]: For program point firstFunctionFINAL(lines 27 31) no Hoare annotation was computed. [2019-11-07 03:50:04,594 INFO L443 ceAbstractionStarter]: For program point firstFunctionEXIT(lines 27 31) no Hoare annotation was computed. [2019-11-07 03:50:04,594 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 33 36) the Hoare annotation is: true [2019-11-07 03:50:04,594 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 33 36) no Hoare annotation was computed. [2019-11-07 03:50:04,594 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 33 36) no Hoare annotation was computed. [2019-11-07 03:50:04,595 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 6 12) the Hoare annotation is: true [2019-11-07 03:50:04,595 INFO L443 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2019-11-07 03:50:04,595 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 6 12) no Hoare annotation was computed. [2019-11-07 03:50:04,595 INFO L443 ceAbstractionStarter]: For program point L8(lines 8 11) no Hoare annotation was computed. [2019-11-07 03:50:04,595 INFO L443 ceAbstractionStarter]: For program point L8-2(lines 6 12) no Hoare annotation was computed. [2019-11-07 03:50:04,596 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2019-11-07 03:50:04,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:50:04 BoogieIcfgContainer [2019-11-07 03:50:04,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 03:50:04,602 INFO L168 Benchmark]: Toolchain (without parser) took 1634.16 ms. Allocated memory was 145.2 MB in the beginning and 206.0 MB in the end (delta: 60.8 MB). Free memory was 101.8 MB in the beginning and 139.2 MB in the end (delta: -37.4 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-11-07 03:50:04,603 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 03:50:04,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 479.74 ms. Allocated memory is still 145.2 MB. Free memory was 101.4 MB in the beginning and 92.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-11-07 03:50:04,606 INFO L168 Benchmark]: Boogie Preprocessor took 216.60 ms. Allocated memory was 145.2 MB in the beginning and 206.0 MB in the end (delta: 60.8 MB). Free memory was 92.3 MB in the beginning and 184.0 MB in the end (delta: -91.7 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-11-07 03:50:04,607 INFO L168 Benchmark]: RCFGBuilder took 271.33 ms. Allocated memory is still 206.0 MB. Free memory was 184.0 MB in the beginning and 171.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-11-07 03:50:04,608 INFO L168 Benchmark]: TraceAbstraction took 642.06 ms. Allocated memory is still 206.0 MB. Free memory was 171.3 MB in the beginning and 139.2 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. [2019-11-07 03:50:04,612 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 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 479.74 ms. Allocated memory is still 145.2 MB. Free memory was 101.4 MB in the beginning and 92.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 216.60 ms. Allocated memory was 145.2 MB in the beginning and 206.0 MB in the end (delta: 60.8 MB). Free memory was 92.3 MB in the beginning and 184.0 MB in the end (delta: -91.7 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 271.33 ms. Allocated memory is still 206.0 MB. Free memory was 184.0 MB in the beginning and 171.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 642.06 ms. Allocated memory is still 206.0 MB. Free memory was 171.3 MB in the beginning and 139.2 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 22 locations, 1 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 14 SDtfs, 14 SDslu, 57 SDs, 0 SdLazy, 23 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 8 NumberOfFragments, 10 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 15 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 360 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...