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/array-examples/standard_reverse_ground.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 00:15:41,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 00:15:41,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 00:15:41,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 00:15:41,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 00:15:41,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 00:15:41,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 00:15:41,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 00:15:41,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 00:15:41,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 00:15:41,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 00:15:41,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 00:15:41,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 00:15:41,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 00:15:41,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 00:15:41,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 00:15:41,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 00:15:41,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 00:15:41,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 00:15:41,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 00:15:41,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 00:15:41,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 00:15:41,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 00:15:41,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 00:15:41,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-07 00:15:41,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 00:15:41,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 00:15:41,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 00:15:41,300 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 00:15:41,318 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 00:15:41,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 00:15:41,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 00:15:41,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 00:15:41,321 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 00:15:41,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 00:15:41,321 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 00:15:41,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 00:15:41,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 00:15:41,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 00:15:41,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 00:15:41,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 00:15:41,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 00:15:41,323 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 00:15:41,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 00:15:41,323 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 00:15:41,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 00:15:41,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 00:15:41,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 00:15:41,324 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 00:15:41,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 00:15:41,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 00:15:41,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 00:15:41,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 00:15:41,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 00:15:41,325 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 00:15:41,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 00:15:41,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 00:15:41,326 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 00:15:41,622 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 00:15:41,635 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 00:15:41,639 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 00:15:41,640 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 00:15:41,641 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 00:15:41,642 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_reverse_ground.i [2019-10-07 00:15:41,721 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac101ed87/3e6ae35f16d949388a12e4033abe9bf2/FLAGe607b15c5 [2019-10-07 00:15:42,213 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 00:15:42,213 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_reverse_ground.i [2019-10-07 00:15:42,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac101ed87/3e6ae35f16d949388a12e4033abe9bf2/FLAGe607b15c5 [2019-10-07 00:15:42,591 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac101ed87/3e6ae35f16d949388a12e4033abe9bf2 [2019-10-07 00:15:42,602 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 00:15:42,604 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 00:15:42,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 00:15:42,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 00:15:42,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 00:15:42,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:15:42" (1/1) ... [2019-10-07 00:15:42,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39fc0240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:15:42, skipping insertion in model container [2019-10-07 00:15:42,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:15:42" (1/1) ... [2019-10-07 00:15:42,620 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 00:15:42,639 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 00:15:42,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 00:15:42,840 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 00:15:42,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 00:15:42,880 INFO L192 MainTranslator]: Completed translation [2019-10-07 00:15:42,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:15:42 WrapperNode [2019-10-07 00:15:42,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 00:15:42,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 00:15:42,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 00:15:42,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 00:15:42,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:15:42" (1/1) ... [2019-10-07 00:15:42,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:15:42" (1/1) ... [2019-10-07 00:15:42,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:15:42" (1/1) ... [2019-10-07 00:15:42,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:15:42" (1/1) ... [2019-10-07 00:15:42,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:15:42" (1/1) ... [2019-10-07 00:15:43,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:15:42" (1/1) ... [2019-10-07 00:15:43,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:15:42" (1/1) ... [2019-10-07 00:15:43,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 00:15:43,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 00:15:43,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 00:15:43,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 00:15:43,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:15:42" (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 00:15:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 00:15:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 00:15:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-07 00:15:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 00:15:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 00:15:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-07 00:15:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 00:15:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 00:15:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 00:15:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 00:15:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 00:15:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 00:15:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 00:15:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 00:15:43,436 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 00:15:43,437 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-07 00:15:43,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:15:43 BoogieIcfgContainer [2019-10-07 00:15:43,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 00:15:43,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 00:15:43,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 00:15:43,443 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 00:15:43,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 12:15:42" (1/3) ... [2019-10-07 00:15:43,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@478c1042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:15:43, skipping insertion in model container [2019-10-07 00:15:43,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:15:42" (2/3) ... [2019-10-07 00:15:43,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@478c1042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:15:43, skipping insertion in model container [2019-10-07 00:15:43,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:15:43" (3/3) ... [2019-10-07 00:15:43,446 INFO L109 eAbstractionObserver]: Analyzing ICFG standard_reverse_ground.i [2019-10-07 00:15:43,454 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 00:15:43,462 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 00:15:43,474 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 00:15:43,501 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 00:15:43,502 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 00:15:43,502 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 00:15:43,502 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 00:15:43,502 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 00:15:43,502 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 00:15:43,502 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 00:15:43,503 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 00:15:43,521 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-10-07 00:15:43,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-07 00:15:43,528 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:15:43,529 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:15:43,531 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:15:43,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:15:43,536 INFO L82 PathProgramCache]: Analyzing trace with hash -171350948, now seen corresponding path program 1 times [2019-10-07 00:15:43,544 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:15:43,544 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:15:43,544 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:15:43,544 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:15:43,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:15:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:15:43,704 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 00:15:43,705 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:15:43,706 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 00:15:43,707 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 00:15:43,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 00:15:43,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 00:15:43,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 00:15:43,730 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2019-10-07 00:15:43,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:15:43,811 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2019-10-07 00:15:43,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 00:15:43,814 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-10-07 00:15:43,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:15:43,826 INFO L225 Difference]: With dead ends: 34 [2019-10-07 00:15:43,827 INFO L226 Difference]: Without dead ends: 18 [2019-10-07 00:15:43,831 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 00:15:43,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-10-07 00:15:43,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-10-07 00:15:43,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-10-07 00:15:43,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2019-10-07 00:15:43,882 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 12 [2019-10-07 00:15:43,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:15:43,882 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2019-10-07 00:15:43,883 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 00:15:43,883 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2019-10-07 00:15:43,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-07 00:15:43,884 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:15:43,886 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:15:43,887 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:15:43,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:15:43,888 INFO L82 PathProgramCache]: Analyzing trace with hash 196493716, now seen corresponding path program 1 times [2019-10-07 00:15:43,888 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:15:43,888 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:15:43,888 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:15:43,889 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:15:43,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:15:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:15:44,028 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 00:15:44,028 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:15:44,029 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:15:44,029 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 00:15:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:15:44,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 00:15:44,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:15:44,153 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 00:15:44,153 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:15:44,192 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 00:15:44,192 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 00:15:44,220 INFO L162 IcfgInterpreter]: Started Sifa with 13 locations of interest [2019-10-07 00:15:44,221 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 00:15:44,236 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 00:15:44,246 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 00:15:44,247 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 00:15:44,443 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-10-07 00:15:44,877 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-10-07 00:15:45,011 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 32 for LOIs [2019-10-07 00:15:45,035 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-10-07 00:15:45,048 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 00:15:45,049 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 00:15:45,049 INFO L193 IcfgInterpreter]: Reachable states at location L2 satisfy 131#(and (exists ((v_prenex_4 Int) (|v_main_~#b~0.base_BEFORE_CALL_1| Int) (v_prenex_2 Int) (v_prenex_3 Int) (v_prenex_1 Int) (|v_main_~#b~0.offset_BEFORE_CALL_1| Int) (|v_main_~#a~0.offset_BEFORE_CALL_1| Int) (|v_main_~#a~0.base_BEFORE_CALL_1| Int)) (or (and (= |__VERIFIER_assert_#in~cond| 1) (= (select (select |#memory_int| v_prenex_1) (+ v_prenex_2 399996)) (select (select |#memory_int| v_prenex_4) v_prenex_3))) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= (select (select |#memory_int| |v_main_~#b~0.base_BEFORE_CALL_1|) (+ |v_main_~#b~0.offset_BEFORE_CALL_1| 399996)) (select (select |#memory_int| |v_main_~#a~0.base_BEFORE_CALL_1|) |v_main_~#a~0.offset_BEFORE_CALL_1|)))))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-07 00:15:45,049 INFO L193 IcfgInterpreter]: Reachable states at location L2-1 satisfy 136#(and (exists ((v_prenex_4 Int) (|v_main_~#b~0.base_BEFORE_CALL_1| Int) (v_prenex_2 Int) (v_prenex_3 Int) (v_prenex_1 Int) (|v_main_~#b~0.offset_BEFORE_CALL_1| Int) (|v_main_~#a~0.offset_BEFORE_CALL_1| Int) (|v_main_~#a~0.base_BEFORE_CALL_1| Int)) (or (and (= |__VERIFIER_assert_#in~cond| 1) (= (select (select |#memory_int| v_prenex_1) (+ v_prenex_2 399996)) (select (select |#memory_int| v_prenex_4) v_prenex_3))) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= (select (select |#memory_int| |v_main_~#b~0.base_BEFORE_CALL_1|) (+ |v_main_~#b~0.offset_BEFORE_CALL_1| 399996)) (select (select |#memory_int| |v_main_~#a~0.base_BEFORE_CALL_1|) |v_main_~#a~0.offset_BEFORE_CALL_1|)))))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-07 00:15:45,050 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 145#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-07 00:15:45,050 INFO L193 IcfgInterpreter]: Reachable states at location L16-3 satisfy 116#(and (<= 0 main_~i~0) (= main_~x~0 0) (<= 100000 main_~i~0) (not (< main_~i~0 100000)) (<= main_~x~0 0) (<= 0 main_~x~0)) [2019-10-07 00:15:45,050 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:15:45,050 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |#valid| |old(#valid)|) (<= 0 |#NULL.base|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:15:45,051 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 150#(and (= |#valid| (store |old(#valid)| 0 0)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-07 00:15:45,051 INFO L193 IcfgInterpreter]: Reachable states at location L9-3 satisfy 68#true [2019-10-07 00:15:45,051 INFO L193 IcfgInterpreter]: Reachable states at location L17 satisfy 121#(and (< main_~x~0 100000) (<= 0 main_~i~0) (= (select (select |#memory_int| |main_~#b~0.base|) (+ (* (- 4) main_~x~0) |main_~#b~0.offset| 399996)) |main_#t~mem6|) (= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 4 main_~x~0) |main_~#a~0.offset|)) |main_#t~mem5|) (= main_~x~0 0) (<= 100000 main_~i~0) (not (< main_~i~0 100000)) (<= main_~x~0 0) (<= 0 main_~x~0)) [2019-10-07 00:15:45,052 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 141#(and (exists ((v_prenex_4 Int) (|v_main_~#b~0.base_BEFORE_CALL_1| Int) (v_prenex_2 Int) (v_prenex_3 Int) (v_prenex_1 Int) (|v_main_~#b~0.offset_BEFORE_CALL_1| Int) (|v_main_~#a~0.offset_BEFORE_CALL_1| Int) (|v_main_~#a~0.base_BEFORE_CALL_1| Int)) (or (and (= |__VERIFIER_assert_#in~cond| 1) (= (select (select |#memory_int| v_prenex_1) (+ v_prenex_2 399996)) (select (select |#memory_int| v_prenex_4) v_prenex_3))) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= (select (select |#memory_int| |v_main_~#b~0.base_BEFORE_CALL_1|) (+ |v_main_~#b~0.offset_BEFORE_CALL_1| 399996)) (select (select |#memory_int| |v_main_~#a~0.base_BEFORE_CALL_1|) |v_main_~#a~0.offset_BEFORE_CALL_1|)))))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-07 00:15:45,052 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 00:15:45,052 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 126#(exists ((v_prenex_4 Int) (|v_main_~#b~0.base_BEFORE_CALL_1| Int) (v_prenex_2 Int) (v_prenex_3 Int) (v_prenex_1 Int) (|v_main_~#b~0.offset_BEFORE_CALL_1| Int) (|v_main_~#a~0.offset_BEFORE_CALL_1| Int) (|v_main_~#a~0.base_BEFORE_CALL_1| Int)) (or (and (= |__VERIFIER_assert_#in~cond| 1) (= (select (select |#memory_int| v_prenex_1) (+ v_prenex_2 399996)) (select (select |#memory_int| v_prenex_4) v_prenex_3))) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= (select (select |#memory_int| |v_main_~#b~0.base_BEFORE_CALL_1|) (+ |v_main_~#b~0.offset_BEFORE_CALL_1| 399996)) (select (select |#memory_int| |v_main_~#a~0.base_BEFORE_CALL_1|) |v_main_~#a~0.offset_BEFORE_CALL_1|)))))) [2019-10-07 00:15:45,052 INFO L193 IcfgInterpreter]: Reachable states at location L12-3 satisfy 111#(<= 0 main_~i~0) [2019-10-07 00:15:45,507 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 00:15:45,507 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 11] total 17 [2019-10-07 00:15:45,511 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-10-07 00:15:45,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-10-07 00:15:45,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2019-10-07 00:15:45,513 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand 17 states. [2019-10-07 00:15:46,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 00:15:46,181 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2019-10-07 00:15:46,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 00:15:46,184 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 14 [2019-10-07 00:15:46,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 00:15:46,186 INFO L225 Difference]: With dead ends: 44 [2019-10-07 00:15:46,186 INFO L226 Difference]: Without dead ends: 33 [2019-10-07 00:15:46,189 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=142, Invalid=614, Unknown=0, NotChecked=0, Total=756 [2019-10-07 00:15:46,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-07 00:15:46,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 24. [2019-10-07 00:15:46,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-10-07 00:15:46,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2019-10-07 00:15:46,197 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 14 [2019-10-07 00:15:46,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 00:15:46,198 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2019-10-07 00:15:46,198 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-10-07 00:15:46,198 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2019-10-07 00:15:46,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-07 00:15:46,199 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 00:15:46,199 INFO L385 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 00:15:46,411 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:15:46,411 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 00:15:46,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 00:15:46,412 INFO L82 PathProgramCache]: Analyzing trace with hash -609178532, now seen corresponding path program 2 times [2019-10-07 00:15:46,413 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 00:15:46,413 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:15:46,414 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:15:46,414 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 00:15:46,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 00:15:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 00:15:46,523 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-07 00:15:46,524 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 00:15:46,524 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 00:15:46,524 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 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 00:15:46,567 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-10-07 00:15:46,567 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-07 00:15:46,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 20 conjunts are in the unsatisfiable core [2019-10-07 00:15:46,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 00:15:46,773 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 00:15:46,773 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 00:15:47,045 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 00:15:47,047 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 00:15:47,052 INFO L168 Benchmark]: Toolchain (without parser) took 4448.34 ms. Allocated memory was 144.2 MB in the beginning and 248.0 MB in the end (delta: 103.8 MB). Free memory was 100.8 MB in the beginning and 158.5 MB in the end (delta: -57.7 MB). Peak memory consumption was 46.1 MB. Max. memory is 7.1 GB. [2019-10-07 00:15:47,053 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory is still 118.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 00:15:47,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.26 ms. Allocated memory is still 144.2 MB. Free memory was 100.8 MB in the beginning and 90.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-10-07 00:15:47,055 INFO L168 Benchmark]: Boogie Preprocessor took 130.30 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 90.4 MB in the beginning and 179.0 MB in the end (delta: -88.6 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-10-07 00:15:47,056 INFO L168 Benchmark]: RCFGBuilder took 426.07 ms. Allocated memory is still 201.3 MB. Free memory was 179.0 MB in the beginning and 160.3 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2019-10-07 00:15:47,057 INFO L168 Benchmark]: TraceAbstraction took 3611.10 ms. Allocated memory was 201.3 MB in the beginning and 248.0 MB in the end (delta: 46.7 MB). Free memory was 160.3 MB in the beginning and 158.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. [2019-10-07 00:15:47,060 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory is still 118.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 276.26 ms. Allocated memory is still 144.2 MB. Free memory was 100.8 MB in the beginning and 90.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.30 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 90.4 MB in the beginning and 179.0 MB in the end (delta: -88.6 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 426.07 ms. Allocated memory is still 201.3 MB. Free memory was 179.0 MB in the beginning and 160.3 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3611.10 ms. Allocated memory was 201.3 MB in the beginning and 248.0 MB in the end (delta: 46.7 MB). Free memory was 160.3 MB in the beginning and 158.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 48.4 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...