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/loops/invert_string-3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 13:44:23,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 13:44:23,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 13:44:23,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 13:44:23,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 13:44:23,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 13:44:23,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 13:44:23,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 13:44:23,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 13:44:23,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 13:44:23,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 13:44:23,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 13:44:23,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 13:44:23,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 13:44:23,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 13:44:23,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 13:44:23,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 13:44:23,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 13:44:23,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 13:44:23,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 13:44:23,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 13:44:23,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 13:44:23,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 13:44:23,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 13:44:23,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-07 13:44:23,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 13:44:23,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 13:44:23,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 13:44:23,935 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 [2019-10-07 13:44:23,954 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 13:44:23,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 13:44:23,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 13:44:23,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 13:44:23,956 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 13:44:23,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 13:44:23,957 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 13:44:23,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 13:44:23,957 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 13:44:23,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 13:44:23,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 13:44:23,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 13:44:23,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 13:44:23,959 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 13:44:23,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 13:44:23,960 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 13:44:23,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 13:44:23,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 13:44:23,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 13:44:23,961 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 13:44:23,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 13:44:23,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 13:44:23,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 13:44:23,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 13:44:23,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 13:44:23,962 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 13:44:23,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 13:44:23,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 13:44:23,962 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 [2019-10-07 13:44:24,228 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 13:44:24,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 13:44:24,244 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 13:44:24,246 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 13:44:24,246 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 13:44:24,247 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/invert_string-3.c [2019-10-07 13:44:24,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f767f4534/89623a1282bd490db26af69a65317e7a/FLAG144ee4602 [2019-10-07 13:44:24,744 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 13:44:24,746 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/invert_string-3.c [2019-10-07 13:44:24,753 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f767f4534/89623a1282bd490db26af69a65317e7a/FLAG144ee4602 [2019-10-07 13:44:25,128 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f767f4534/89623a1282bd490db26af69a65317e7a [2019-10-07 13:44:25,139 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 13:44:25,140 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 13:44:25,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 13:44:25,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 13:44:25,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 13:44:25,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:44:25" (1/1) ... [2019-10-07 13:44:25,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73961d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:44:25, skipping insertion in model container [2019-10-07 13:44:25,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:44:25" (1/1) ... [2019-10-07 13:44:25,157 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 13:44:25,171 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 13:44:25,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:44:25,335 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 13:44:25,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:44:25,450 INFO L192 MainTranslator]: Completed translation [2019-10-07 13:44:25,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:44:25 WrapperNode [2019-10-07 13:44:25,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 13:44:25,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 13:44:25,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 13:44:25,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 13:44:25,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:44:25" (1/1) ... [2019-10-07 13:44:25,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:44:25" (1/1) ... [2019-10-07 13:44:25,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:44:25" (1/1) ... [2019-10-07 13:44:25,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:44:25" (1/1) ... [2019-10-07 13:44:25,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:44:25" (1/1) ... [2019-10-07 13:44:25,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:44:25" (1/1) ... [2019-10-07 13:44:25,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:44:25" (1/1) ... [2019-10-07 13:44:25,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 13:44:25,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 13:44:25,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 13:44:25,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 13:44:25,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:44:25" (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 [2019-10-07 13:44:25,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 13:44:25,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 13:44:25,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-07 13:44:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 13:44:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 13:44:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-07 13:44:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-07 13:44:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 13:44:25,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 13:44:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 13:44:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 13:44:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 13:44:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 13:44:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 13:44:25,932 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 13:44:25,933 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-07 13:44:25,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:44:25 BoogieIcfgContainer [2019-10-07 13:44:25,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 13:44:25,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 13:44:25,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 13:44:25,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 13:44:25,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 01:44:25" (1/3) ... [2019-10-07 13:44:25,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b8cbfc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:44:25, skipping insertion in model container [2019-10-07 13:44:25,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:44:25" (2/3) ... [2019-10-07 13:44:25,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b8cbfc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:44:25, skipping insertion in model container [2019-10-07 13:44:25,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:44:25" (3/3) ... [2019-10-07 13:44:25,945 INFO L109 eAbstractionObserver]: Analyzing ICFG invert_string-3.c [2019-10-07 13:44:25,957 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 13:44:25,967 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 13:44:25,978 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 13:44:26,007 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 13:44:26,007 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 13:44:26,007 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 13:44:26,007 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 13:44:26,007 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 13:44:26,008 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 13:44:26,008 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 13:44:26,008 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 13:44:26,021 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-10-07 13:44:26,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-07 13:44:26,027 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:44:26,027 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:44:26,029 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:44:26,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:44:26,034 INFO L82 PathProgramCache]: Analyzing trace with hash -193294945, now seen corresponding path program 1 times [2019-10-07 13:44:26,040 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:44:26,041 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:44:26,041 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:44:26,041 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:44:26,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:44:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:44:26,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:44:26,438 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:44:26,438 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:44:26,439 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 13:44:26,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 13:44:26,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 13:44:26,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 13:44:26,461 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 4 states. [2019-10-07 13:44:26,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:44:26,563 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions. [2019-10-07 13:44:26,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 13:44:26,566 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-10-07 13:44:26,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:44:26,574 INFO L225 Difference]: With dead ends: 32 [2019-10-07 13:44:26,575 INFO L226 Difference]: Without dead ends: 17 [2019-10-07 13:44:26,578 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 13:44:26,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-10-07 13:44:26,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-10-07 13:44:26,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-10-07 13:44:26,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2019-10-07 13:44:26,618 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 12 [2019-10-07 13:44:26,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:44:26,618 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2019-10-07 13:44:26,619 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 13:44:26,619 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2019-10-07 13:44:26,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-07 13:44:26,620 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:44:26,620 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:44:26,621 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:44:26,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:44:26,621 INFO L82 PathProgramCache]: Analyzing trace with hash -945643679, now seen corresponding path program 1 times [2019-10-07 13:44:26,622 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:44:26,622 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:44:26,622 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:44:26,622 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:44:26,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:44:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:44:26,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:44:26,888 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:44:26,888 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 13:44:26,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:44:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:44:26,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-07 13:44:26,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 13:44:27,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 13:44:27,033 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 13:44:27,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 13:44:27,118 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 13:44:27,118 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5] total 10 [2019-10-07 13:44:27,120 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 13:44:27,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 13:44:27,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-10-07 13:44:27,121 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand 7 states. [2019-10-07 13:44:27,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:44:27,204 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2019-10-07 13:44:27,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 13:44:27,206 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2019-10-07 13:44:27,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:44:27,209 INFO L225 Difference]: With dead ends: 33 [2019-10-07 13:44:27,209 INFO L226 Difference]: Without dead ends: 21 [2019-10-07 13:44:27,210 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-10-07 13:44:27,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-10-07 13:44:27,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 18. [2019-10-07 13:44:27,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-10-07 13:44:27,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2019-10-07 13:44:27,229 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 13 [2019-10-07 13:44:27,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:44:27,230 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2019-10-07 13:44:27,230 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 13:44:27,231 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2019-10-07 13:44:27,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-07 13:44:27,233 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:44:27,233 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:44:27,438 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:44:27,439 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:44:27,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:44:27,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1198813395, now seen corresponding path program 1 times [2019-10-07 13:44:27,441 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:44:27,441 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:44:27,441 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:44:27,442 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:44:27,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:44:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:44:27,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 13:44:27,609 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:44:27,609 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 13:44:27,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:44:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:44:27,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 28 conjunts are in the unsatisfiable core [2019-10-07 13:44:27,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 13:44:27,693 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-10-07 13:44:27,693 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 13:44:27,704 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 13:44:27,704 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-07 13:44:27,705 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2019-10-07 13:44:27,760 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 13:44:27,779 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 54 [2019-10-07 13:44:27,781 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 13:44:27,829 INFO L567 ElimStorePlain]: treesize reduction 64, result has 40.7 percent of original size [2019-10-07 13:44:27,829 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_int_24| vanished before elimination [2019-10-07 13:44:27,830 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-07 13:44:27,830 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:112, output treesize:44 [2019-10-07 13:44:27,862 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 13:44:27,909 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-07 13:44:27,911 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 10 [2019-10-07 13:44:27,911 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 13:44:27,932 INFO L567 ElimStorePlain]: treesize reduction 7, result has 68.2 percent of original size [2019-10-07 13:44:27,936 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-07 13:44:27,936 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:52, output treesize:3 [2019-10-07 13:44:27,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 13:44:27,975 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 13:44:28,027 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 13:44:28,296 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:44:28,297 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: incompatible size at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.analyzeCosts(ArrayIndexBasedCostEstimation.java:211) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.computeCostEstimation(ArrayIndexBasedCostEstimation.java:152) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.(ArrayIndexBasedCostEstimation.java:64) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.computeCostEstimation(ElimStorePlain.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:390) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:418) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-07 13:44:28,304 INFO L168 Benchmark]: Toolchain (without parser) took 3163.29 ms. Allocated memory was 140.0 MB in the beginning and 233.8 MB in the end (delta: 93.8 MB). Free memory was 105.1 MB in the beginning and 131.2 MB in the end (delta: -26.0 MB). Peak memory consumption was 67.8 MB. Max. memory is 7.1 GB. [2019-10-07 13:44:28,305 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 13:44:28,306 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.97 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 104.9 MB in the beginning and 183.8 MB in the end (delta: -78.9 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2019-10-07 13:44:28,307 INFO L168 Benchmark]: Boogie Preprocessor took 39.69 ms. Allocated memory is still 204.5 MB. Free memory was 183.8 MB in the beginning and 181.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-10-07 13:44:28,308 INFO L168 Benchmark]: RCFGBuilder took 442.84 ms. Allocated memory is still 204.5 MB. Free memory was 181.4 MB in the beginning and 161.9 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. [2019-10-07 13:44:28,309 INFO L168 Benchmark]: TraceAbstraction took 2366.31 ms. Allocated memory was 204.5 MB in the beginning and 233.8 MB in the end (delta: 29.4 MB). Free memory was 161.2 MB in the beginning and 131.2 MB in the end (delta: 30.1 MB). Peak memory consumption was 59.4 MB. Max. memory is 7.1 GB. [2019-10-07 13:44:28,317 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 309.97 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 104.9 MB in the beginning and 183.8 MB in the end (delta: -78.9 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.69 ms. Allocated memory is still 204.5 MB. Free memory was 183.8 MB in the beginning and 181.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 442.84 ms. Allocated memory is still 204.5 MB. Free memory was 181.4 MB in the beginning and 161.9 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2366.31 ms. Allocated memory was 204.5 MB in the beginning and 233.8 MB in the end (delta: 29.4 MB). Free memory was 161.2 MB in the beginning and 131.2 MB in the end (delta: 30.1 MB). Peak memory consumption was 59.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: incompatible size de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: incompatible size: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.analyzeCosts(ArrayIndexBasedCostEstimation.java:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...