/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/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/heap-data/cart.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 00:37:08,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 00:37:08,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 00:37:08,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 00:37:08,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 00:37:08,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 00:37:08,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 00:37:08,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 00:37:08,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 00:37:08,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 00:37:08,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 00:37:08,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 00:37:08,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 00:37:08,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 00:37:08,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 00:37:08,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 00:37:08,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 00:37:08,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 00:37:08,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 00:37:08,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 00:37:08,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 00:37:08,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 00:37:08,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 00:37:08,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 00:37:08,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 00:37:08,886 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 00:37:08,911 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 00:37:08,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 00:37:08,912 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 00:37:08,912 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 00:37:08,913 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 00:37:08,913 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 00:37:08,913 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 00:37:08,913 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 00:37:08,913 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 00:37:08,914 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 00:37:08,914 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 00:37:08,914 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 00:37:08,914 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 00:37:08,914 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 00:37:08,915 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 00:37:08,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 00:37:08,915 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 00:37:08,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 00:37:08,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 00:37:08,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 00:37:08,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 00:37:08,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 00:37:08,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 00:37:08,917 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 00:37:08,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 00:37:08,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 00:37:08,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 00:37:08,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 00:37:08,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 00:37:08,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 00:37:08,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 00:37:08,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 00:37:08,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 00:37:08,919 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 00:37:08,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 00:37:08,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 00:37:08,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 00:37:08,920 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 00:37:09,204 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 00:37:09,216 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 00:37:09,220 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 00:37:09,221 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 00:37:09,221 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 00:37:09,222 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-data/cart.i [2019-11-24 00:37:09,304 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/771af2b10/b5f57b66f00c4ea785864b86e5bb3acb/FLAG4678d3a5c [2019-11-24 00:37:09,831 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 00:37:09,831 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-data/cart.i [2019-11-24 00:37:09,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/771af2b10/b5f57b66f00c4ea785864b86e5bb3acb/FLAG4678d3a5c [2019-11-24 00:37:10,136 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/771af2b10/b5f57b66f00c4ea785864b86e5bb3acb [2019-11-24 00:37:10,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 00:37:10,146 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 00:37:10,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 00:37:10,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 00:37:10,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 00:37:10,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:37:10" (1/1) ... [2019-11-24 00:37:10,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@114a7b91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:10, skipping insertion in model container [2019-11-24 00:37:10,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:37:10" (1/1) ... [2019-11-24 00:37:10,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 00:37:10,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 00:37:10,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 00:37:10,682 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 00:37:10,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 00:37:10,789 INFO L208 MainTranslator]: Completed translation [2019-11-24 00:37:10,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:10 WrapperNode [2019-11-24 00:37:10,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 00:37:10,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 00:37:10,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 00:37:10,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 00:37:10,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:10" (1/1) ... [2019-11-24 00:37:10,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:10" (1/1) ... [2019-11-24 00:37:10,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 00:37:10,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 00:37:10,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 00:37:10,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 00:37:10,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:10" (1/1) ... [2019-11-24 00:37:10,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:10" (1/1) ... [2019-11-24 00:37:10,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:10" (1/1) ... [2019-11-24 00:37:10,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:10" (1/1) ... [2019-11-24 00:37:10,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:10" (1/1) ... [2019-11-24 00:37:10,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:10" (1/1) ... [2019-11-24 00:37:10,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:10" (1/1) ... [2019-11-24 00:37:10,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 00:37:10,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 00:37:10,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 00:37:10,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 00:37:10,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:10" (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 [2019-11-24 00:37:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 00:37:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 00:37:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 00:37:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 00:37:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 00:37:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 00:37:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 00:37:11,322 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 00:37:11,323 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 00:37:11,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:37:11 BoogieIcfgContainer [2019-11-24 00:37:11,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 00:37:11,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 00:37:11,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 00:37:11,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 00:37:11,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:37:10" (1/3) ... [2019-11-24 00:37:11,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e9d24f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:37:11, skipping insertion in model container [2019-11-24 00:37:11,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:10" (2/3) ... [2019-11-24 00:37:11,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e9d24f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:37:11, skipping insertion in model container [2019-11-24 00:37:11,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:37:11" (3/3) ... [2019-11-24 00:37:11,333 INFO L109 eAbstractionObserver]: Analyzing ICFG cart.i [2019-11-24 00:37:11,343 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 00:37:11,350 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 00:37:11,359 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 00:37:11,380 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 00:37:11,380 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 00:37:11,380 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 00:37:11,381 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 00:37:11,381 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 00:37:11,381 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 00:37:11,381 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 00:37:11,382 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 00:37:11,397 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2019-11-24 00:37:11,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 00:37:11,404 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 00:37:11,406 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 00:37:11,406 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 00:37:11,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 00:37:11,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1487606993, now seen corresponding path program 1 times [2019-11-24 00:37:11,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 00:37:11,424 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675136244] [2019-11-24 00:37:11,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 00:37:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 00:37:11,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 00:37:11,534 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675136244] [2019-11-24 00:37:11,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 00:37:11,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 00:37:11,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246169084] [2019-11-24 00:37:11,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-24 00:37:11,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 00:37:11,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-24 00:37:11,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 00:37:11,561 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 2 states. [2019-11-24 00:37:11,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 00:37:11,584 INFO L93 Difference]: Finished difference Result 27 states and 38 transitions. [2019-11-24 00:37:11,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-24 00:37:11,586 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-24 00:37:11,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 00:37:11,598 INFO L225 Difference]: With dead ends: 27 [2019-11-24 00:37:11,599 INFO L226 Difference]: Without dead ends: 15 [2019-11-24 00:37:11,607 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 00:37:11,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-11-24 00:37:11,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-24 00:37:11,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-24 00:37:11,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2019-11-24 00:37:11,656 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 19 transitions. Word has length 8 [2019-11-24 00:37:11,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 00:37:11,657 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-11-24 00:37:11,657 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-24 00:37:11,657 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2019-11-24 00:37:11,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-24 00:37:11,658 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 00:37:11,658 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 00:37:11,659 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 00:37:11,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 00:37:11,659 INFO L82 PathProgramCache]: Analyzing trace with hash -2098913187, now seen corresponding path program 1 times [2019-11-24 00:37:11,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 00:37:11,660 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525504928] [2019-11-24 00:37:11,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 00:37:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 00:37:11,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 00:37:11,854 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525504928] [2019-11-24 00:37:11,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 00:37:11,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 00:37:11,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647674169] [2019-11-24 00:37:11,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 00:37:11,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 00:37:11,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 00:37:11,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 00:37:11,858 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. Second operand 4 states. [2019-11-24 00:37:11,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 00:37:11,937 INFO L93 Difference]: Finished difference Result 33 states and 42 transitions. [2019-11-24 00:37:11,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-24 00:37:11,938 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-24 00:37:11,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 00:37:11,939 INFO L225 Difference]: With dead ends: 33 [2019-11-24 00:37:11,939 INFO L226 Difference]: Without dead ends: 19 [2019-11-24 00:37:11,940 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-24 00:37:11,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-24 00:37:11,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-24 00:37:11,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-24 00:37:11,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2019-11-24 00:37:11,945 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 24 transitions. Word has length 11 [2019-11-24 00:37:11,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 00:37:11,946 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 24 transitions. [2019-11-24 00:37:11,946 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 00:37:11,946 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2019-11-24 00:37:11,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-24 00:37:11,947 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 00:37:11,947 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 00:37:11,947 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 00:37:11,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 00:37:11,948 INFO L82 PathProgramCache]: Analyzing trace with hash -2087693085, now seen corresponding path program 1 times [2019-11-24 00:37:11,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 00:37:11,948 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289050012] [2019-11-24 00:37:11,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 00:37:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 00:37:12,060 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 00:37:12,060 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289050012] [2019-11-24 00:37:12,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 00:37:12,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-24 00:37:12,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217327208] [2019-11-24 00:37:12,064 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 00:37:12,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 00:37:12,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 00:37:12,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 00:37:12,066 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. Second operand 4 states. [2019-11-24 00:37:12,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 00:37:12,140 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions. [2019-11-24 00:37:12,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 00:37:12,143 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-11-24 00:37:12,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 00:37:12,144 INFO L225 Difference]: With dead ends: 33 [2019-11-24 00:37:12,144 INFO L226 Difference]: Without dead ends: 27 [2019-11-24 00:37:12,146 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-24 00:37:12,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-24 00:37:12,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 22. [2019-11-24 00:37:12,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-24 00:37:12,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2019-11-24 00:37:12,155 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 28 transitions. Word has length 15 [2019-11-24 00:37:12,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 00:37:12,157 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 28 transitions. [2019-11-24 00:37:12,157 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 00:37:12,157 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2019-11-24 00:37:12,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-24 00:37:12,158 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 00:37:12,158 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 00:37:12,158 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 00:37:12,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 00:37:12,159 INFO L82 PathProgramCache]: Analyzing trace with hash 218553073, now seen corresponding path program 1 times [2019-11-24 00:37:12,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 00:37:12,160 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202785015] [2019-11-24 00:37:12,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 00:37:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 00:37:12,557 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 00:37:12,558 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202785015] [2019-11-24 00:37:12,558 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432959648] [2019-11-24 00:37:12,559 INFO L94 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 [2019-11-24 00:37:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 00:37:12,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-24 00:37:12,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 00:37:12,769 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 29 treesize of output 22 [2019-11-24 00:37:12,780 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 19 treesize of output 18 [2019-11-24 00:37:12,781 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-24 00:37:12,788 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:37:12,788 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-24 00:37:12,796 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:37:12,797 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-24 00:37:12,798 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:15 [2019-11-24 00:37:12,821 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:37:12,822 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2019-11-24 00:37:12,826 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 00:37:12,829 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:37:12,829 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-24 00:37:12,829 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:3 [2019-11-24 00:37:12,832 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 00:37:12,832 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 00:37:12,918 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:37:12,921 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:37:13,134 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 00:37:13,136 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.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.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:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) 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:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) 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) [2019-11-24 00:37:13,142 INFO L168 Benchmark]: Toolchain (without parser) took 2995.86 ms. Allocated memory was 145.8 MB in the beginning and 235.4 MB in the end (delta: 89.7 MB). Free memory was 102.6 MB in the beginning and 153.7 MB in the end (delta: -51.1 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. [2019-11-24 00:37:13,143 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-24 00:37:13,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 642.54 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.2 MB in the beginning and 170.4 MB in the end (delta: -68.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-11-24 00:37:13,145 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.50 ms. Allocated memory is still 203.4 MB. Free memory was 170.4 MB in the beginning and 168.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-11-24 00:37:13,146 INFO L168 Benchmark]: Boogie Preprocessor took 32.15 ms. Allocated memory is still 203.4 MB. Free memory was 168.4 MB in the beginning and 166.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-11-24 00:37:13,147 INFO L168 Benchmark]: RCFGBuilder took 453.24 ms. Allocated memory is still 203.4 MB. Free memory was 166.3 MB in the beginning and 145.0 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2019-11-24 00:37:13,148 INFO L168 Benchmark]: TraceAbstraction took 1814.38 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 145.0 MB in the beginning and 153.7 MB in the end (delta: -8.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2019-11-24 00:37:13,152 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 642.54 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.2 MB in the beginning and 170.4 MB in the end (delta: -68.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 48.50 ms. Allocated memory is still 203.4 MB. Free memory was 170.4 MB in the beginning and 168.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.15 ms. Allocated memory is still 203.4 MB. Free memory was 168.4 MB in the beginning and 166.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 453.24 ms. Allocated memory is still 203.4 MB. Free memory was 166.3 MB in the beginning and 145.0 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1814.38 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 145.0 MB in the beginning and 153.7 MB in the end (delta: -8.8 MB). Peak memory consumption was 23.2 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...