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/sll-reverse_simple_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-47db877 [2018-01-23 14:57:49,388 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-23 14:57:49,389 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-23 14:57:49,405 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-23 14:57:49,405 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-23 14:57:49,406 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-23 14:57:49,407 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-23 14:57:49,409 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-23 14:57:49,411 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-23 14:57:49,412 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-23 14:57:49,413 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-23 14:57:49,413 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-23 14:57:49,414 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-23 14:57:49,415 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-23 14:57:49,416 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-23 14:57:49,419 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-23 14:57:49,421 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-23 14:57:49,423 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-23 14:57:49,424 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-23 14:57:49,425 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-23 14:57:49,428 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-23 14:57:49,433 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-23 14:57:49,434 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-23 14:57:49,434 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 [2018-01-23 14:57:49,443 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-23 14:57:49,443 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-23 14:57:49,444 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-23 14:57:49,444 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-23 14:57:49,444 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-23 14:57:49,445 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-23 14:57:49,445 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-23 14:57:49,445 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-23 14:57:49,445 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-23 14:57:49,446 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-23 14:57:49,446 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-23 14:57:49,446 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-23 14:57:49,446 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-23 14:57:49,446 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-23 14:57:49,446 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-23 14:57:49,447 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-23 14:57:49,447 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-23 14:57:49,447 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-23 14:57:49,447 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-23 14:57:49,447 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-23 14:57:49,447 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-23 14:57:49,447 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-23 14:57:49,448 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-23 14:57:49,448 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-23 14:57:49,448 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-23 14:57:49,448 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-23 14:57:49,448 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-23 14:57:49,449 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-23 14:57:49,449 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-23 14:57:49,449 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-23 14:57:49,449 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-23 14:57:49,449 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-23 14:57:49,449 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-23 14:57:49,449 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-23 14:57:49,449 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-23 14:57:49,450 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-23 14:57:49,450 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-23 14:57:49,483 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-23 14:57:49,493 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-23 14:57:49,497 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-23 14:57:49,498 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-23 14:57:49,498 INFO L276 PluginConnector]: CDTParser initialized [2018-01-23 14:57:49,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-reverse_simple_true-unreach-call_true-valid-memsafety.i [2018-01-23 14:57:49,683 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-23 14:57:49,688 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-23 14:57:49,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-23 14:57:49,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-23 14:57:49,694 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-23 14:57:49,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 02:57:49" (1/1) ... [2018-01-23 14:57:49,697 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 23.01 02:57:49, skipping insertion in model container [2018-01-23 14:57:49,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 02:57:49" (1/1) ... [2018-01-23 14:57:49,712 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 14:57:49,752 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 14:57:49,878 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 14:57:49,902 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 14:57:49,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:57:49 WrapperNode [2018-01-23 14:57:49,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-23 14:57:49,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-23 14:57:49,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-23 14:57:49,914 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-23 14:57:49,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:57:49" (1/1) ... [2018-01-23 14:57:49,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:57:49" (1/1) ... [2018-01-23 14:57:49,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:57:49" (1/1) ... [2018-01-23 14:57:49,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:57:49" (1/1) ... [2018-01-23 14:57:49,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:57:49" (1/1) ... [2018-01-23 14:57:49,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:57:49" (1/1) ... [2018-01-23 14:57:49,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:57:49" (1/1) ... [2018-01-23 14:57:49,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-23 14:57:49,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-23 14:57:49,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-23 14:57:49,957 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-23 14:57:49,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:57:49" (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 [2018-01-23 14:57:50,009 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-23 14:57:50,009 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-23 14:57:50,010 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-23 14:57:50,010 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-23 14:57:50,010 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-23 14:57:50,010 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-23 14:57:50,010 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-23 14:57:50,010 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-23 14:57:50,010 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-23 14:57:50,010 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-23 14:57:50,010 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-23 14:57:50,011 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-23 14:57:50,011 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-23 14:57:50,011 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-01-23 14:57:50,011 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-23 14:57:50,011 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-23 14:57:50,011 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-23 14:57:50,402 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-23 14:57:50,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 02:57:50 BoogieIcfgContainer [2018-01-23 14:57:50,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-23 14:57:50,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-23 14:57:50,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-23 14:57:50,405 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-23 14:57:50,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 02:57:49" (1/3) ... [2018-01-23 14:57:50,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4662ddff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 02:57:50, skipping insertion in model container [2018-01-23 14:57:50,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:57:49" (2/3) ... [2018-01-23 14:57:50,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4662ddff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 02:57:50, skipping insertion in model container [2018-01-23 14:57:50,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 02:57:50" (3/3) ... [2018-01-23 14:57:50,408 INFO L105 eAbstractionObserver]: Analyzing ICFG sll-reverse_simple_true-unreach-call_true-valid-memsafety.i [2018-01-23 14:57:50,414 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-23 14:57:50,420 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-01-23 14:57:50,467 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:57:50,467 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:57:50,468 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:57:50,468 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:57:50,468 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:57:50,468 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:57:50,468 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:57:50,468 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-23 14:57:50,469 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:57:50,490 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2018-01-23 14:57:50,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-23 14:57:50,496 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:57:50,497 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-23 14:57:50,497 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-23 14:57:50,502 INFO L82 PathProgramCache]: Analyzing trace with hash 227176, now seen corresponding path program 1 times [2018-01-23 14:57:50,504 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:57:50,505 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:57:50,554 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:57:50,554 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:57:50,554 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:57:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:57:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:57:50,605 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-23 14:57:50,612 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:57:50,619 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:57:50,619 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:57:50,619 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:57:50,619 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:57:50,619 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:57:50,620 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:57:50,620 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:57:50,620 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-23 14:57:50,620 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:57:50,623 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2018-01-23 14:57:50,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-23 14:57:50,626 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:57:50,626 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] [2018-01-23 14:57:50,627 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:57:50,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1937358689, now seen corresponding path program 1 times [2018-01-23 14:57:50,627 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:57:50,627 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:57:50,628 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:57:50,629 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:57:50,629 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:57:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:57:50,664 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:57:50,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:57:50,711 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:57:50,711 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:57:50,713 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:57:50,803 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:57:50,803 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:57:50,805 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 2 states. [2018-01-23 14:57:50,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:57:50,835 INFO L93 Difference]: Finished difference Result 148 states and 190 transitions. [2018-01-23 14:57:50,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:57:50,837 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 30 [2018-01-23 14:57:50,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:57:50,845 INFO L225 Difference]: With dead ends: 148 [2018-01-23 14:57:50,846 INFO L226 Difference]: Without dead ends: 81 [2018-01-23 14:57:50,849 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 [2018-01-23 14:57:50,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-01-23 14:57:50,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-01-23 14:57:50,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-01-23 14:57:50,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 89 transitions. [2018-01-23 14:57:50,891 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 89 transitions. Word has length 30 [2018-01-23 14:57:50,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:57:50,892 INFO L432 AbstractCegarLoop]: Abstraction has 81 states and 89 transitions. [2018-01-23 14:57:50,892 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:57:50,892 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2018-01-23 14:57:50,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-01-23 14:57:50,893 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:57:50,893 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] [2018-01-23 14:57:50,893 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:57:50,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1988690091, now seen corresponding path program 1 times [2018-01-23 14:57:50,894 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:57:50,894 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:57:50,895 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:57:50,895 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:57:50,895 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:57:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:57:50,926 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:57:51,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:57:51,316 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:57:51,316 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-01-23 14:57:51,317 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-23 14:57:51,318 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-23 14:57:51,318 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-01-23 14:57:51,318 INFO L87 Difference]: Start difference. First operand 81 states and 89 transitions. Second operand 8 states. [2018-01-23 14:57:51,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:57:51,720 INFO L93 Difference]: Finished difference Result 170 states and 191 transitions. [2018-01-23 14:57:51,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-01-23 14:57:51,720 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2018-01-23 14:57:51,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:57:51,725 INFO L225 Difference]: With dead ends: 170 [2018-01-23 14:57:51,725 INFO L226 Difference]: Without dead ends: 109 [2018-01-23 14:57:51,727 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2018-01-23 14:57:51,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-01-23 14:57:51,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 90. [2018-01-23 14:57:51,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-01-23 14:57:51,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 99 transitions. [2018-01-23 14:57:51,738 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 99 transitions. Word has length 41 [2018-01-23 14:57:51,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:57:51,739 INFO L432 AbstractCegarLoop]: Abstraction has 90 states and 99 transitions. [2018-01-23 14:57:51,739 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-23 14:57:51,739 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 99 transitions. [2018-01-23 14:57:51,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-01-23 14:57:51,740 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:57:51,740 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] [2018-01-23 14:57:51,741 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:57:51,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1854676585, now seen corresponding path program 1 times [2018-01-23 14:57:51,741 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:57:51,741 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:57:51,743 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:57:51,743 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:57:51,743 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:57:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:57:51,759 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:57:51,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:57:51,862 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:57:51,862 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-23 14:57:51,862 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-23 14:57:51,863 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-23 14:57:51,863 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-23 14:57:51,863 INFO L87 Difference]: Start difference. First operand 90 states and 99 transitions. Second operand 6 states. [2018-01-23 14:57:52,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:57:52,042 INFO L93 Difference]: Finished difference Result 140 states and 154 transitions. [2018-01-23 14:57:52,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-23 14:57:52,043 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2018-01-23 14:57:52,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:57:52,044 INFO L225 Difference]: With dead ends: 140 [2018-01-23 14:57:52,044 INFO L226 Difference]: Without dead ends: 101 [2018-01-23 14:57:52,045 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-01-23 14:57:52,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-01-23 14:57:52,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 96. [2018-01-23 14:57:52,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-01-23 14:57:52,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 105 transitions. [2018-01-23 14:57:52,051 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 105 transitions. Word has length 41 [2018-01-23 14:57:52,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:57:52,051 INFO L432 AbstractCegarLoop]: Abstraction has 96 states and 105 transitions. [2018-01-23 14:57:52,051 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-23 14:57:52,051 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 105 transitions. [2018-01-23 14:57:52,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-01-23 14:57:52,052 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:57:52,052 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] [2018-01-23 14:57:52,053 INFO L371 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:57:52,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1544345424, now seen corresponding path program 1 times [2018-01-23 14:57:52,053 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:57:52,053 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:57:52,054 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:57:52,054 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:57:52,054 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:57:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:57:52,073 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:57:52,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:57:52,129 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:57:52,130 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-23 14:57:52,130 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-23 14:57:52,130 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-23 14:57:52,130 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-23 14:57:52,131 INFO L87 Difference]: Start difference. First operand 96 states and 105 transitions. Second operand 5 states. [2018-01-23 14:57:52,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:57:52,274 INFO L93 Difference]: Finished difference Result 166 states and 182 transitions. [2018-01-23 14:57:52,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-23 14:57:52,275 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2018-01-23 14:57:52,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:57:52,276 INFO L225 Difference]: With dead ends: 166 [2018-01-23 14:57:52,276 INFO L226 Difference]: Without dead ends: 137 [2018-01-23 14:57:52,277 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 [2018-01-23 14:57:52,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-01-23 14:57:52,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 98. [2018-01-23 14:57:52,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-01-23 14:57:52,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 107 transitions. [2018-01-23 14:57:52,285 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 107 transitions. Word has length 44 [2018-01-23 14:57:52,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:57:52,285 INFO L432 AbstractCegarLoop]: Abstraction has 98 states and 107 transitions. [2018-01-23 14:57:52,285 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-23 14:57:52,286 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 107 transitions. [2018-01-23 14:57:52,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-01-23 14:57:52,286 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:57:52,286 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] [2018-01-23 14:57:52,286 INFO L371 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:57:52,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1172413608, now seen corresponding path program 1 times [2018-01-23 14:57:52,287 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:57:52,287 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:57:52,288 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:57:52,288 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:57:52,288 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:57:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:57:52,306 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:57:52,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:57:52,393 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:57:52,393 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 [2018-01-23 14:57:52,400 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:57:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:57:52,446 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:57:52,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:57:52,503 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-23 14:57:52,504 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-01-23 14:57:52,504 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-23 14:57:52,504 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-23 14:57:52,504 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-23 14:57:52,504 INFO L87 Difference]: Start difference. First operand 98 states and 107 transitions. Second operand 6 states. [2018-01-23 14:57:52,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:57:52,751 INFO L93 Difference]: Finished difference Result 208 states and 230 transitions. [2018-01-23 14:57:52,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-23 14:57:52,752 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2018-01-23 14:57:52,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:57:52,754 INFO L225 Difference]: With dead ends: 208 [2018-01-23 14:57:52,755 INFO L226 Difference]: Without dead ends: 197 [2018-01-23 14:57:52,757 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-01-23 14:57:52,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-01-23 14:57:52,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 127. [2018-01-23 14:57:52,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-01-23 14:57:52,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 140 transitions. [2018-01-23 14:57:52,771 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 140 transitions. Word has length 50 [2018-01-23 14:57:52,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:57:52,772 INFO L432 AbstractCegarLoop]: Abstraction has 127 states and 140 transitions. [2018-01-23 14:57:52,772 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-23 14:57:52,772 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 140 transitions. [2018-01-23 14:57:52,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-01-23 14:57:52,773 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:57:52,774 INFO L322 BasicCegarLoop]: trace histogram [3, 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] [2018-01-23 14:57:52,774 INFO L371 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:57:52,774 INFO L82 PathProgramCache]: Analyzing trace with hash 613220352, now seen corresponding path program 2 times [2018-01-23 14:57:52,774 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:57:52,774 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:57:52,775 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:57:52,775 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:57:52,775 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:57:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:57:52,793 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:57:52,883 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-23 14:57:52,883 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:57:52,884 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-23 14:57:52,884 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-23 14:57:52,884 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-23 14:57:52,885 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:57:52,885 INFO L87 Difference]: Start difference. First operand 127 states and 140 transitions. Second operand 4 states. [2018-01-23 14:57:52,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:57:52,996 INFO L93 Difference]: Finished difference Result 145 states and 159 transitions. [2018-01-23 14:57:52,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-23 14:57:52,996 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2018-01-23 14:57:52,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:57:52,998 INFO L225 Difference]: With dead ends: 145 [2018-01-23 14:57:52,998 INFO L226 Difference]: Without dead ends: 134 [2018-01-23 14:57:52,999 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 [2018-01-23 14:57:52,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-01-23 14:57:53,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 129. [2018-01-23 14:57:53,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-01-23 14:57:53,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 142 transitions. [2018-01-23 14:57:53,011 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 142 transitions. Word has length 56 [2018-01-23 14:57:53,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:57:53,011 INFO L432 AbstractCegarLoop]: Abstraction has 129 states and 142 transitions. [2018-01-23 14:57:53,012 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-23 14:57:53,012 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 142 transitions. [2018-01-23 14:57:53,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-01-23 14:57:53,013 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:57:53,013 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] [2018-01-23 14:57:53,014 INFO L371 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:57:53,014 INFO L82 PathProgramCache]: Analyzing trace with hash 919803955, now seen corresponding path program 1 times [2018-01-23 14:57:53,014 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:57:53,014 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:57:53,015 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:57:53,015 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-23 14:57:53,015 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:57:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:57:53,036 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:57:53,583 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-23 14:57:53,584 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:57:53,584 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 [2018-01-23 14:57:53,589 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:57:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:57:53,635 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:57:53,672 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-23 14:57:53,706 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. [2018-01-23 14:57:53,707 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:60, output treesize:68 [2018-01-23 14:57:53,727 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 11177 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) [2018-01-23 14:57:53,730 INFO L168 Benchmark]: Toolchain (without parser) took 4046.59 ms. Allocated memory was 298.8 MB in the beginning and 508.0 MB in the end (delta: 209.2 MB). Free memory was 258.8 MB in the beginning and 356.0 MB in the end (delta: -97.2 MB). Peak memory consumption was 112.0 MB. Max. memory is 5.3 GB. [2018-01-23 14:57:53,732 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 298.8 MB. Free memory is still 264.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-23 14:57:53,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.64 ms. Allocated memory is still 298.8 MB. Free memory was 257.7 MB in the beginning and 245.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. [2018-01-23 14:57:53,732 INFO L168 Benchmark]: Boogie Preprocessor took 43.11 ms. Allocated memory is still 298.8 MB. Free memory was 245.7 MB in the beginning and 243.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-23 14:57:53,733 INFO L168 Benchmark]: RCFGBuilder took 445.65 ms. Allocated memory is still 298.8 MB. Free memory was 243.7 MB in the beginning and 216.7 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 5.3 GB. [2018-01-23 14:57:53,733 INFO L168 Benchmark]: TraceAbstraction took 3326.30 ms. Allocated memory was 298.8 MB in the beginning and 508.0 MB in the end (delta: 209.2 MB). Free memory was 216.7 MB in the beginning and 356.0 MB in the end (delta: -139.3 MB). Peak memory consumption was 69.9 MB. Max. memory is 5.3 GB. [2018-01-23 14:57:53,734 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 298.8 MB. Free memory is still 264.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 224.64 ms. Allocated memory is still 298.8 MB. Free memory was 257.7 MB in the beginning and 245.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 43.11 ms. Allocated memory is still 298.8 MB. Free memory was 245.7 MB in the beginning and 243.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 445.65 ms. Allocated memory is still 298.8 MB. Free memory was 243.7 MB in the beginning and 216.7 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3326.30 ms. Allocated memory was 298.8 MB in the beginning and 508.0 MB in the end (delta: 209.2 MB). Free memory was 216.7 MB in the beginning and 356.0 MB in the end (delta: -139.3 MB). Peak memory consumption was 69.9 MB. 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, 84 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=84occurred 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 11177 column 44: unknown constant v_DerPreprocessor_1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 11177 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/sll-reverse_simple_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-23_14-57-53-742.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sll-reverse_simple_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-23_14-57-53-742.csv Received shutdown request...