java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ.epf -i ../../../trunk/examples/svcomp/forester-heap/dll-reverse_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-20 22:28:21,063 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-20 22:28:21,065 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-20 22:28:21,081 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-20 22:28:21,081 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-20 22:28:21,082 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-20 22:28:21,084 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-20 22:28:21,085 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-20 22:28:21,088 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-20 22:28:21,089 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-20 22:28:21,090 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-20 22:28:21,090 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-20 22:28:21,091 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-20 22:28:21,093 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-20 22:28:21,094 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-20 22:28:21,097 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-20 22:28:21,099 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-20 22:28:21,101 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-20 22:28:21,103 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-20 22:28:21,104 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-20 22:28:21,107 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-20 22:28:21,112 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-20 22:28:21,113 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-20 22:28:21,113 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ.epf [2018-01-20 22:28:21,121 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-20 22:28:21,122 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-20 22:28:21,123 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-20 22:28:21,123 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-20 22:28:21,123 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-20 22:28:21,123 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-20 22:28:21,123 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-20 22:28:21,124 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-20 22:28:21,124 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-20 22:28:21,124 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-20 22:28:21,124 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-20 22:28:21,124 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-20 22:28:21,124 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-20 22:28:21,124 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-20 22:28:21,125 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-20 22:28:21,125 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-20 22:28:21,125 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-20 22:28:21,125 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-20 22:28:21,125 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-20 22:28:21,125 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-20 22:28:21,125 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-20 22:28:21,126 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-20 22:28:21,126 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-20 22:28:21,126 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-20 22:28:21,126 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-20 22:28:21,126 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-20 22:28:21,127 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-20 22:28:21,127 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-20 22:28:21,127 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-20 22:28:21,127 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-20 22:28:21,127 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-20 22:28:21,127 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-20 22:28:21,127 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-20 22:28:21,127 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-20 22:28:21,128 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-20 22:28:21,128 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-20 22:28:21,128 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-20 22:28:21,161 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-20 22:28:21,173 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-20 22:28:21,177 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-20 22:28:21,178 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-20 22:28:21,178 INFO L276 PluginConnector]: CDTParser initialized [2018-01-20 22:28:21,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-reverse_true-unreach-call_true-valid-memsafety.i [2018-01-20 22:28:21,345 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-20 22:28:21,348 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-20 22:28:21,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-20 22:28:21,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-20 22:28:21,354 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-20 22:28:21,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 10:28:21" (1/1) ... [2018-01-20 22:28:21,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6479bd29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:28:21, skipping insertion in model container [2018-01-20 22:28:21,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 10:28:21" (1/1) ... [2018-01-20 22:28:21,371 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-20 22:28:21,411 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-20 22:28:21,535 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-20 22:28:21,558 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-20 22:28:21,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:28:21 WrapperNode [2018-01-20 22:28:21,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-20 22:28:21,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-20 22:28:21,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-20 22:28:21,571 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-20 22:28:21,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:28:21" (1/1) ... [2018-01-20 22:28:21,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:28:21" (1/1) ... [2018-01-20 22:28:21,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:28:21" (1/1) ... [2018-01-20 22:28:21,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:28:21" (1/1) ... [2018-01-20 22:28:21,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:28:21" (1/1) ... [2018-01-20 22:28:21,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:28:21" (1/1) ... [2018-01-20 22:28:21,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:28:21" (1/1) ... [2018-01-20 22:28:21,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-20 22:28:21,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-20 22:28:21,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-20 22:28:21,613 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-20 22:28:21,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:28:21" (1/1) ... No working directory specified, using /storage/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 [2018-01-20 22:28:21,665 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-20 22:28:21,665 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-20 22:28:21,665 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-20 22:28:21,665 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-20 22:28:21,665 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-20 22:28:21,666 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-20 22:28:21,666 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-20 22:28:21,666 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-20 22:28:21,666 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-20 22:28:21,666 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-20 22:28:21,666 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-20 22:28:21,667 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-20 22:28:21,667 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-20 22:28:21,667 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-01-20 22:28:21,667 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-20 22:28:21,667 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-20 22:28:21,667 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-20 22:28:22,072 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-20 22:28:22,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 10:28:22 BoogieIcfgContainer [2018-01-20 22:28:22,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-20 22:28:22,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-20 22:28:22,074 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-20 22:28:22,076 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-20 22:28:22,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 10:28:21" (1/3) ... [2018-01-20 22:28:22,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31cf3f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 10:28:22, skipping insertion in model container [2018-01-20 22:28:22,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:28:21" (2/3) ... [2018-01-20 22:28:22,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31cf3f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 10:28:22, skipping insertion in model container [2018-01-20 22:28:22,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 10:28:22" (3/3) ... [2018-01-20 22:28:22,078 INFO L105 eAbstractionObserver]: Analyzing ICFG dll-reverse_true-unreach-call_true-valid-memsafety.i [2018-01-20 22:28:22,085 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-20 22:28:22,090 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-01-20 22:28:22,139 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:28:22,139 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:28:22,139 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:28:22,139 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:28:22,139 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:28:22,139 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:28:22,139 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:28:22,139 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-20 22:28:22,140 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:28:22,156 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2018-01-20 22:28:22,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-20 22:28:22,161 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:28:22,162 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-20 22:28:22,162 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-20 22:28:22,165 INFO L82 PathProgramCache]: Analyzing trace with hash 235120, now seen corresponding path program 1 times [2018-01-20 22:28:22,167 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:28:22,167 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:28:22,209 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:28:22,209 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:28:22,209 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:28:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 22:28:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 22:28:22,265 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-20 22:28:22,272 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:28:22,278 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:28:22,279 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:28:22,279 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:28:22,279 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:28:22,279 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:28:22,279 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:28:22,279 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:28:22,279 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-20 22:28:22,279 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:28:22,282 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2018-01-20 22:28:22,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-01-20 22:28:22,284 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:28:22,284 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:28:22,284 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:28:22,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1114673319, now seen corresponding path program 1 times [2018-01-20 22:28:22,284 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:28:22,284 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:28:22,285 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:28:22,285 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:28:22,285 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:28:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:28:22,321 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:28:22,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:28:22,461 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:28:22,462 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:28:22,463 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 22:28:22,477 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 22:28:22,478 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 22:28:22,480 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 2 states. [2018-01-20 22:28:22,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:28:22,508 INFO L93 Difference]: Finished difference Result 160 states and 202 transitions. [2018-01-20 22:28:22,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 22:28:22,510 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 31 [2018-01-20 22:28:22,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:28:22,522 INFO L225 Difference]: With dead ends: 160 [2018-01-20 22:28:22,523 INFO L226 Difference]: Without dead ends: 89 [2018-01-20 22:28:22,525 INFO L525 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 [2018-01-20 22:28:22,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-01-20 22:28:22,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-01-20 22:28:22,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-01-20 22:28:22,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 97 transitions. [2018-01-20 22:28:22,564 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 97 transitions. Word has length 31 [2018-01-20 22:28:22,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:28:22,564 INFO L432 AbstractCegarLoop]: Abstraction has 89 states and 97 transitions. [2018-01-20 22:28:22,564 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 22:28:22,565 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 97 transitions. [2018-01-20 22:28:22,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-01-20 22:28:22,566 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:28:22,567 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:28:22,567 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:28:22,567 INFO L82 PathProgramCache]: Analyzing trace with hash 584524918, now seen corresponding path program 1 times [2018-01-20 22:28:22,567 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:28:22,567 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:28:22,569 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:28:22,569 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:28:22,569 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:28:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:28:22,608 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:28:23,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:28:23,021 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:28:23,063 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-20 22:28:23,065 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-20 22:28:23,065 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-20 22:28:23,065 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-01-20 22:28:23,066 INFO L87 Difference]: Start difference. First operand 89 states and 97 transitions. Second operand 7 states. [2018-01-20 22:28:23,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:28:23,407 INFO L93 Difference]: Finished difference Result 173 states and 192 transitions. [2018-01-20 22:28:23,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-20 22:28:23,407 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2018-01-20 22:28:23,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:28:23,412 INFO L225 Difference]: With dead ends: 173 [2018-01-20 22:28:23,412 INFO L226 Difference]: Without dead ends: 133 [2018-01-20 22:28:23,414 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2018-01-20 22:28:23,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-01-20 22:28:23,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 104. [2018-01-20 22:28:23,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-01-20 22:28:23,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 115 transitions. [2018-01-20 22:28:23,428 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 115 transitions. Word has length 42 [2018-01-20 22:28:23,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:28:23,429 INFO L432 AbstractCegarLoop]: Abstraction has 104 states and 115 transitions. [2018-01-20 22:28:23,429 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-20 22:28:23,429 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 115 transitions. [2018-01-20 22:28:23,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-01-20 22:28:23,431 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:28:23,431 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:28:23,431 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:28:23,432 INFO L82 PathProgramCache]: Analyzing trace with hash 224754963, now seen corresponding path program 1 times [2018-01-20 22:28:23,432 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:28:23,432 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:28:23,433 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:28:23,433 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:28:23,433 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:28:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:28:23,453 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:28:23,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:28:23,575 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:28:23,575 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-20 22:28:23,576 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 22:28:23,576 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 22:28:23,576 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-20 22:28:23,576 INFO L87 Difference]: Start difference. First operand 104 states and 115 transitions. Second operand 6 states. [2018-01-20 22:28:23,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:28:23,757 INFO L93 Difference]: Finished difference Result 166 states and 184 transitions. [2018-01-20 22:28:23,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-20 22:28:23,757 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2018-01-20 22:28:23,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:28:23,760 INFO L225 Difference]: With dead ends: 166 [2018-01-20 22:28:23,760 INFO L226 Difference]: Without dead ends: 114 [2018-01-20 22:28:23,760 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-01-20 22:28:23,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-01-20 22:28:23,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 112. [2018-01-20 22:28:23,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-01-20 22:28:23,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 124 transitions. [2018-01-20 22:28:23,772 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 124 transitions. Word has length 48 [2018-01-20 22:28:23,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:28:23,772 INFO L432 AbstractCegarLoop]: Abstraction has 112 states and 124 transitions. [2018-01-20 22:28:23,772 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 22:28:23,772 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 124 transitions. [2018-01-20 22:28:23,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-01-20 22:28:23,774 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:28:23,774 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:28:23,774 INFO L371 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:28:23,774 INFO L82 PathProgramCache]: Analyzing trace with hash 247387217, now seen corresponding path program 1 times [2018-01-20 22:28:23,774 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:28:23,774 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:28:23,775 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:28:23,775 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:28:23,775 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:28:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:28:23,797 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:28:23,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:28:23,855 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:28:23,855 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-20 22:28:23,856 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-20 22:28:23,856 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-20 22:28:23,856 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-20 22:28:23,856 INFO L87 Difference]: Start difference. First operand 112 states and 124 transitions. Second operand 5 states. [2018-01-20 22:28:23,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:28:23,979 INFO L93 Difference]: Finished difference Result 189 states and 209 transitions. [2018-01-20 22:28:23,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-20 22:28:23,979 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2018-01-20 22:28:23,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:28:23,982 INFO L225 Difference]: With dead ends: 189 [2018-01-20 22:28:23,982 INFO L226 Difference]: Without dead ends: 160 [2018-01-20 22:28:23,983 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-01-20 22:28:23,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-01-20 22:28:23,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 114. [2018-01-20 22:28:23,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-01-20 22:28:23,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 126 transitions. [2018-01-20 22:28:23,994 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 126 transitions. Word has length 48 [2018-01-20 22:28:23,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:28:23,994 INFO L432 AbstractCegarLoop]: Abstraction has 114 states and 126 transitions. [2018-01-20 22:28:23,995 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-20 22:28:23,995 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 126 transitions. [2018-01-20 22:28:23,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-01-20 22:28:23,997 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:28:23,997 INFO L322 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:28:23,997 INFO L371 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:28:23,997 INFO L82 PathProgramCache]: Analyzing trace with hash -24407250, now seen corresponding path program 1 times [2018-01-20 22:28:23,997 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:28:23,998 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:28:23,998 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:28:23,999 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:28:23,999 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:28:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:28:24,020 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:28:24,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:28:24,112 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:28:24,113 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 22:28:24,123 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:28:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:28:24,173 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:28:24,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:28:24,252 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-20 22:28:24,253 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-01-20 22:28:24,253 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 22:28:24,253 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 22:28:24,253 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-20 22:28:24,254 INFO L87 Difference]: Start difference. First operand 114 states and 126 transitions. Second operand 6 states. [2018-01-20 22:28:24,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:28:24,502 INFO L93 Difference]: Finished difference Result 232 states and 258 transitions. [2018-01-20 22:28:24,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-20 22:28:24,502 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2018-01-20 22:28:24,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:28:24,504 INFO L225 Difference]: With dead ends: 232 [2018-01-20 22:28:24,504 INFO L226 Difference]: Without dead ends: 221 [2018-01-20 22:28:24,505 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 55 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-01-20 22:28:24,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-01-20 22:28:24,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 144. [2018-01-20 22:28:24,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-01-20 22:28:24,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 160 transitions. [2018-01-20 22:28:24,521 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 160 transitions. Word has length 55 [2018-01-20 22:28:24,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:28:24,521 INFO L432 AbstractCegarLoop]: Abstraction has 144 states and 160 transitions. [2018-01-20 22:28:24,522 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 22:28:24,522 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 160 transitions. [2018-01-20 22:28:24,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-01-20 22:28:24,523 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:28:24,524 INFO L322 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:28:24,524 INFO L371 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:28:24,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1108291151, now seen corresponding path program 2 times [2018-01-20 22:28:24,524 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:28:24,525 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:28:24,525 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:28:24,526 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:28:24,526 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:28:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:28:24,545 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:28:24,622 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-20 22:28:24,622 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:28:24,622 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-20 22:28:24,622 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-20 22:28:24,623 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-20 22:28:24,623 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-20 22:28:24,623 INFO L87 Difference]: Start difference. First operand 144 states and 160 transitions. Second operand 4 states. [2018-01-20 22:28:24,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:28:24,980 INFO L93 Difference]: Finished difference Result 162 states and 179 transitions. [2018-01-20 22:28:24,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-20 22:28:24,980 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2018-01-20 22:28:24,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:28:24,982 INFO L225 Difference]: With dead ends: 162 [2018-01-20 22:28:24,982 INFO L226 Difference]: Without dead ends: 151 [2018-01-20 22:28:24,982 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-20 22:28:24,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-01-20 22:28:24,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 146. [2018-01-20 22:28:24,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-01-20 22:28:24,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 162 transitions. [2018-01-20 22:28:24,996 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 162 transitions. Word has length 62 [2018-01-20 22:28:24,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:28:24,996 INFO L432 AbstractCegarLoop]: Abstraction has 146 states and 162 transitions. [2018-01-20 22:28:24,996 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-20 22:28:24,996 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 162 transitions. [2018-01-20 22:28:24,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-01-20 22:28:24,998 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:28:24,998 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:28:24,998 INFO L371 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:28:24,999 INFO L82 PathProgramCache]: Analyzing trace with hash -709572827, now seen corresponding path program 1 times [2018-01-20 22:28:24,999 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:28:24,999 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:28:25,000 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:28:25,000 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-20 22:28:25,000 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:28:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:28:25,026 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:28:25,537 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-20 22:28:25,538 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:28:25,538 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 22:28:25,543 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:28:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:28:25,579 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:28:25,662 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-20 22:28:25,687 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-01-20 22:28:25,687 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:60, output treesize:68 [2018-01-20 22:28:25,708 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 11157 column 44: unknown constant v_DerPreprocessor_1 at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1362) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:582) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:222) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:146) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript$DiffTransformer.checkOrAddAxiom(DiffWrapperScript.java:95) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript$DiffTransformer.convertApplicationTerm(DiffWrapperScript.java:105) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:297) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:239) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:198) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.assertTerm(ManagedScript.java:133) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:998) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:942) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:573) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:445) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:185) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackTraceAbstractionRefinementStrategy.getTraceCheck(MultiTrackTraceAbstractionRefinementStrategy.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:294) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:157) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:113) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:117) 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:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-01-20 22:28:25,711 INFO L168 Benchmark]: Toolchain (without parser) took 4365.75 ms. Allocated memory was 307.8 MB in the beginning and 522.7 MB in the end (delta: 215.0 MB). Free memory was 266.1 MB in the beginning and 490.2 MB in the end (delta: -224.1 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-20 22:28:25,712 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 307.8 MB. Free memory is still 272.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-20 22:28:25,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.05 ms. Allocated memory is still 307.8 MB. Free memory was 265.1 MB in the beginning and 253.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. [2018-01-20 22:28:25,713 INFO L168 Benchmark]: Boogie Preprocessor took 41.87 ms. Allocated memory is still 307.8 MB. Free memory was 253.0 MB in the beginning and 251.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-20 22:28:25,713 INFO L168 Benchmark]: RCFGBuilder took 460.39 ms. Allocated memory is still 307.8 MB. Free memory was 251.1 MB in the beginning and 222.3 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 5.3 GB. [2018-01-20 22:28:25,714 INFO L168 Benchmark]: TraceAbstraction took 3636.57 ms. Allocated memory was 307.8 MB in the beginning and 522.7 MB in the end (delta: 215.0 MB). Free memory was 222.3 MB in the beginning and 490.2 MB in the end (delta: -267.8 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-20 22:28:25,715 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 307.8 MB. Free memory is still 272.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 221.05 ms. Allocated memory is still 307.8 MB. Free memory was 265.1 MB in the beginning and 253.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 41.87 ms. Allocated memory is still 307.8 MB. Free memory was 253.0 MB in the beginning and 251.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 460.39 ms. Allocated memory is still 307.8 MB. Free memory was 251.1 MB in the beginning and 222.3 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3636.57 ms. Allocated memory was 307.8 MB in the beginning and 522.7 MB in the end (delta: 215.0 MB). Free memory was 222.3 MB in the beginning and 490.2 MB in the end (delta: -267.8 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 3 procedures, 92 locations, 3 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - ExceptionOrErrorResult: SMTLIBException: line 11157 column 44: unknown constant v_DerPreprocessor_1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 11157 column 44: unknown constant v_DerPreprocessor_1: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1362) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-reverse_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-20_22-28-25-722.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-reverse_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-20_22-28-25-722.csv Received shutdown request...