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/memsafety/test-0232_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-47db877 [2018-01-23 14:25:31,631 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-23 14:25:31,633 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-23 14:25:31,648 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-23 14:25:31,649 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-23 14:25:31,650 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-23 14:25:31,651 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-23 14:25:31,653 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-23 14:25:31,655 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-23 14:25:31,656 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-23 14:25:31,657 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-23 14:25:31,657 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-23 14:25:31,658 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-23 14:25:31,659 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-23 14:25:31,660 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-23 14:25:31,663 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-23 14:25:31,666 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-23 14:25:31,668 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-23 14:25:31,669 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-23 14:25:31,670 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-23 14:25:31,673 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-23 14:25:31,678 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-23 14:25:31,679 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-23 14:25:31,679 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 14:25:31,688 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-23 14:25:31,689 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-23 14:25:31,689 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-23 14:25:31,689 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-23 14:25:31,689 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-23 14:25:31,690 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-23 14:25:31,690 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-23 14:25:31,690 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-23 14:25:31,690 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-23 14:25:31,690 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-23 14:25:31,691 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-23 14:25:31,691 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-23 14:25:31,691 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-23 14:25:31,691 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-23 14:25:31,691 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-23 14:25:31,691 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-23 14:25:31,691 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-23 14:25:31,691 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-23 14:25:31,692 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-23 14:25:31,692 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-23 14:25:31,692 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-23 14:25:31,692 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-23 14:25:31,692 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-23 14:25:31,692 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-23 14:25:31,693 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-23 14:25:31,693 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-23 14:25:31,693 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-23 14:25:31,693 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-23 14:25:31,693 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-23 14:25:31,694 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-23 14:25:31,694 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-23 14:25:31,694 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-23 14:25:31,694 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-23 14:25:31,694 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-23 14:25:31,694 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-23 14:25:31,695 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-23 14:25:31,695 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-23 14:25:31,728 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-23 14:25:31,738 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-23 14:25:31,742 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-23 14:25:31,743 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-23 14:25:31,743 INFO L276 PluginConnector]: CDTParser initialized [2018-01-23 14:25:31,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0232_false-valid-memtrack.i [2018-01-23 14:25:31,915 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-23 14:25:31,919 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-23 14:25:31,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-23 14:25:31,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-23 14:25:31,926 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-23 14:25:31,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 02:25:31" (1/1) ... [2018-01-23 14:25:31,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585c73c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:25:31, skipping insertion in model container [2018-01-23 14:25:31,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 02:25:31" (1/1) ... [2018-01-23 14:25:31,945 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 14:25:31,982 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 14:25:32,098 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 14:25:32,116 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 14:25:32,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:25:32 WrapperNode [2018-01-23 14:25:32,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-23 14:25:32,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-23 14:25:32,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-23 14:25:32,123 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-23 14:25:32,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:25:32" (1/1) ... [2018-01-23 14:25:32,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:25:32" (1/1) ... [2018-01-23 14:25:32,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:25:32" (1/1) ... [2018-01-23 14:25:32,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:25:32" (1/1) ... [2018-01-23 14:25:32,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:25:32" (1/1) ... [2018-01-23 14:25:32,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:25:32" (1/1) ... [2018-01-23 14:25:32,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:25:32" (1/1) ... [2018-01-23 14:25:32,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-23 14:25:32,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-23 14:25:32,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-23 14:25:32,162 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-23 14:25:32,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:25:32" (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 14:25:32,210 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-23 14:25:32,210 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-23 14:25:32,210 INFO L136 BoogieDeclarations]: Found implementation of procedure append [2018-01-23 14:25:32,210 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-23 14:25:32,210 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-23 14:25:32,211 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-23 14:25:32,211 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-23 14:25:32,211 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-23 14:25:32,211 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-23 14:25:32,211 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-23 14:25:32,211 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-23 14:25:32,211 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-23 14:25:32,211 INFO L128 BoogieDeclarations]: Found specification of procedure append [2018-01-23 14:25:32,211 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-23 14:25:32,211 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-23 14:25:32,212 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-23 14:25:32,451 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-23 14:25:32,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 02:25:32 BoogieIcfgContainer [2018-01-23 14:25:32,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-23 14:25:32,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-23 14:25:32,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-23 14:25:32,473 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-23 14:25:32,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 02:25:31" (1/3) ... [2018-01-23 14:25:32,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2147ba66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 02:25:32, skipping insertion in model container [2018-01-23 14:25:32,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:25:32" (2/3) ... [2018-01-23 14:25:32,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2147ba66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 02:25:32, skipping insertion in model container [2018-01-23 14:25:32,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 02:25:32" (3/3) ... [2018-01-23 14:25:32,476 INFO L105 eAbstractionObserver]: Analyzing ICFG test-0232_false-valid-memtrack.i [2018-01-23 14:25:32,482 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-23 14:25:32,488 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-01-23 14:25:32,534 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:25:32,535 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:25:32,535 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:25:32,535 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:25:32,535 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:25:32,535 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:25:32,535 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:25:32,536 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-23 14:25:32,537 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:25:32,558 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-01-23 14:25:32,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-23 14:25:32,565 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:32,566 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-23 14:25:32,566 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-23 14:25:32,572 INFO L82 PathProgramCache]: Analyzing trace with hash 112439, now seen corresponding path program 1 times [2018-01-23 14:25:32,574 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:32,575 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:32,619 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:32,619 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:32,619 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:25:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:25:32,673 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-23 14:25:32,680 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:25:32,685 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:25:32,685 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:25:32,685 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:25:32,686 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:25:32,686 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:25:32,686 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:25:32,686 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:25:32,686 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-23 14:25:32,686 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:25:32,688 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-01-23 14:25:32,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-23 14:25:32,689 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:32,689 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:25:32,689 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:25:32,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1291770077, now seen corresponding path program 1 times [2018-01-23 14:25:32,690 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:32,690 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:32,691 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:32,691 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:32,691 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:32,708 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:32,744 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 14:25:32,747 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:32,747 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:25:32,749 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:25:32,765 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:25:32,766 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:25:32,769 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2018-01-23 14:25:32,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:32,792 INFO L93 Difference]: Finished difference Result 87 states and 94 transitions. [2018-01-23 14:25:32,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:25:32,862 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-01-23 14:25:32,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:32,875 INFO L225 Difference]: With dead ends: 87 [2018-01-23 14:25:32,875 INFO L226 Difference]: Without dead ends: 55 [2018-01-23 14:25:32,878 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 14:25:32,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-01-23 14:25:32,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-01-23 14:25:32,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-01-23 14:25:32,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2018-01-23 14:25:32,913 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 17 [2018-01-23 14:25:32,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:32,913 INFO L432 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2018-01-23 14:25:32,913 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:25:32,914 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2018-01-23 14:25:32,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-01-23 14:25:32,915 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:32,915 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] [2018-01-23 14:25:32,915 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:25:32,915 INFO L82 PathProgramCache]: Analyzing trace with hash -348822780, now seen corresponding path program 1 times [2018-01-23 14:25:32,915 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:32,915 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:32,916 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:32,916 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:32,916 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:32,953 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:33,188 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 14:25:33,188 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:33,189 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-01-23 14:25:33,191 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-23 14:25:33,191 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-23 14:25:33,191 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-01-23 14:25:33,192 INFO L87 Difference]: Start difference. First operand 55 states and 58 transitions. Second operand 8 states. [2018-01-23 14:25:33,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:33,488 INFO L93 Difference]: Finished difference Result 79 states and 83 transitions. [2018-01-23 14:25:33,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-23 14:25:33,489 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2018-01-23 14:25:33,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:33,493 INFO L225 Difference]: With dead ends: 79 [2018-01-23 14:25:33,493 INFO L226 Difference]: Without dead ends: 62 [2018-01-23 14:25:33,494 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-01-23 14:25:33,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-01-23 14:25:33,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 55. [2018-01-23 14:25:33,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-01-23 14:25:33,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2018-01-23 14:25:33,506 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 37 [2018-01-23 14:25:33,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:33,506 INFO L432 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2018-01-23 14:25:33,506 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-23 14:25:33,507 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2018-01-23 14:25:33,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-01-23 14:25:33,508 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:33,508 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 14:25:33,508 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:25:33,509 INFO L82 PathProgramCache]: Analyzing trace with hash -66466680, now seen corresponding path program 1 times [2018-01-23 14:25:33,509 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:33,509 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:33,510 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:33,510 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:33,510 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:33,534 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:33,747 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 14:25:33,748 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:33,748 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-01-23 14:25:33,749 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-01-23 14:25:33,749 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-01-23 14:25:33,749 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2018-01-23 14:25:33,750 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand 12 states. [2018-01-23 14:25:34,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:34,073 INFO L93 Difference]: Finished difference Result 62 states and 65 transitions. [2018-01-23 14:25:34,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-01-23 14:25:34,074 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 44 [2018-01-23 14:25:34,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:34,074 INFO L225 Difference]: With dead ends: 62 [2018-01-23 14:25:34,074 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:25:34,076 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2018-01-23 14:25:34,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:25:34,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:25:34,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:25:34,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:25:34,077 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2018-01-23 14:25:34,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:34,077 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:25:34,077 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-01-23 14:25:34,077 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:25:34,077 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:25:34,080 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:25:34,080 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:25:34,080 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:25:34,081 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:25:34,081 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:25:34,081 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:25:34,081 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:25:34,081 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-23 14:25:34,081 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:25:34,083 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-01-23 14:25:34,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-23 14:25:34,084 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:34,088 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:25:34,088 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-23 14:25:34,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1065030161, now seen corresponding path program 1 times [2018-01-23 14:25:34,089 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:34,089 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:34,089 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:34,090 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:34,090 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:34,095 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:34,102 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 14:25:34,103 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:34,103 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:25:34,103 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:25:34,104 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:25:34,104 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:25:34,104 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2018-01-23 14:25:34,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:34,109 INFO L93 Difference]: Finished difference Result 87 states and 94 transitions. [2018-01-23 14:25:34,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:25:34,109 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2018-01-23 14:25:34,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:34,111 INFO L225 Difference]: With dead ends: 87 [2018-01-23 14:25:34,111 INFO L226 Difference]: Without dead ends: 53 [2018-01-23 14:25:34,111 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 14:25:34,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-01-23 14:25:34,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-01-23 14:25:34,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-01-23 14:25:34,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 56 transitions. [2018-01-23 14:25:34,118 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 56 transitions. Word has length 15 [2018-01-23 14:25:34,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:34,118 INFO L432 AbstractCegarLoop]: Abstraction has 53 states and 56 transitions. [2018-01-23 14:25:34,118 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:25:34,118 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 56 transitions. [2018-01-23 14:25:34,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-01-23 14:25:34,119 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:34,119 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] [2018-01-23 14:25:34,119 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation]=== [2018-01-23 14:25:34,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1313602040, now seen corresponding path program 1 times [2018-01-23 14:25:34,120 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:34,120 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:34,121 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:34,121 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:34,121 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:34,136 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:34,264 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 14:25:34,265 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:34,265 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-01-23 14:25:34,265 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-23 14:25:34,266 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-23 14:25:34,266 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-01-23 14:25:34,266 INFO L87 Difference]: Start difference. First operand 53 states and 56 transitions. Second operand 8 states. [2018-01-23 14:25:34,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:34,442 INFO L93 Difference]: Finished difference Result 75 states and 79 transitions. [2018-01-23 14:25:34,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-23 14:25:34,442 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2018-01-23 14:25:34,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:34,444 INFO L225 Difference]: With dead ends: 75 [2018-01-23 14:25:34,444 INFO L226 Difference]: Without dead ends: 60 [2018-01-23 14:25:34,444 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-01-23 14:25:34,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-01-23 14:25:34,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 53. [2018-01-23 14:25:34,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-01-23 14:25:34,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2018-01-23 14:25:34,449 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 35 [2018-01-23 14:25:34,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:34,449 INFO L432 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2018-01-23 14:25:34,449 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-23 14:25:34,449 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2018-01-23 14:25:34,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-01-23 14:25:34,450 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:34,450 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] [2018-01-23 14:25:34,450 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolation]=== [2018-01-23 14:25:34,451 INFO L82 PathProgramCache]: Analyzing trace with hash -2055932804, now seen corresponding path program 1 times [2018-01-23 14:25:34,451 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:34,451 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:34,452 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:34,452 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:34,452 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:25:34,467 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:25:34,637 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 14:25:34,637 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:25:34,637 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-01-23 14:25:34,638 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-01-23 14:25:34,638 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-01-23 14:25:34,638 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2018-01-23 14:25:34,639 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. Second operand 12 states. [2018-01-23 14:25:34,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:25:34,860 INFO L93 Difference]: Finished difference Result 60 states and 63 transitions. [2018-01-23 14:25:34,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-01-23 14:25:34,860 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 42 [2018-01-23 14:25:34,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:25:34,861 INFO L225 Difference]: With dead ends: 60 [2018-01-23 14:25:34,861 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:25:34,862 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2018-01-23 14:25:34,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:25:34,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:25:34,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:25:34,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:25:34,863 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2018-01-23 14:25:34,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:25:34,863 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:25:34,863 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-01-23 14:25:34,863 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:25:34,863 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:25:34,865 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:25:34,865 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:25:34,865 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:25:34,865 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:25:34,866 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:25:34,866 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:25:34,866 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:25:34,866 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == appendErr0EnsuresViolation======== [2018-01-23 14:25:34,866 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:25:34,867 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-01-23 14:25:34,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-23 14:25:34,869 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:25:34,869 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] [2018-01-23 14:25:34,869 INFO L371 AbstractCegarLoop]: === Iteration 1 === [appendErr0EnsuresViolation]=== [2018-01-23 14:25:34,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1066206763, now seen corresponding path program 1 times [2018-01-23 14:25:34,869 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:25:34,869 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:25:34,870 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:34,870 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:25:34,871 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:25:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:25:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:25:34,903 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-23 14:25:34,909 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:25:34,913 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:25:34,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.01 02:25:34 BoogieIcfgContainer [2018-01-23 14:25:34,927 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-23 14:25:34,928 INFO L168 Benchmark]: Toolchain (without parser) took 3011.64 ms. Allocated memory was 303.0 MB in the beginning and 475.5 MB in the end (delta: 172.5 MB). Free memory was 261.4 MB in the beginning and 321.1 MB in the end (delta: -59.7 MB). Peak memory consumption was 112.8 MB. Max. memory is 5.3 GB. [2018-01-23 14:25:34,929 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 303.0 MB. Free memory is still 267.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-23 14:25:34,930 INFO L168 Benchmark]: CACSL2BoogieTranslator took 203.05 ms. Allocated memory is still 303.0 MB. Free memory was 260.4 MB in the beginning and 250.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. [2018-01-23 14:25:34,930 INFO L168 Benchmark]: Boogie Preprocessor took 38.04 ms. Allocated memory is still 303.0 MB. Free memory was 250.3 MB in the beginning and 248.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-23 14:25:34,930 INFO L168 Benchmark]: RCFGBuilder took 308.78 ms. Allocated memory is still 303.0 MB. Free memory was 248.3 MB in the beginning and 227.7 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 5.3 GB. [2018-01-23 14:25:34,931 INFO L168 Benchmark]: TraceAbstraction took 2455.95 ms. Allocated memory was 303.0 MB in the beginning and 475.5 MB in the end (delta: 172.5 MB). Free memory was 227.7 MB in the beginning and 321.1 MB in the end (delta: -93.3 MB). Peak memory consumption was 79.1 MB. Max. memory is 5.3 GB. [2018-01-23 14:25:34,933 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 303.0 MB. Free memory is still 267.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 203.05 ms. Allocated memory is still 303.0 MB. Free memory was 260.4 MB in the beginning and 250.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 38.04 ms. Allocated memory is still 303.0 MB. Free memory was 250.3 MB in the beginning and 248.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 308.78 ms. Allocated memory is still 303.0 MB. Free memory was 248.3 MB in the beginning and 227.7 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2455.95 ms. Allocated memory was 303.0 MB in the beginning and 475.5 MB in the end (delta: 172.5 MB). Free memory was 227.7 MB in the beginning and 321.1 MB in the end (delta: -93.3 MB). Peak memory consumption was 79.1 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) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - 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 4 procedures, 59 locations, 4 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=59occurred 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 - PositiveResult [Line: 1]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 4 procedures, 59 locations, 4 error locations. SAFE Result, 1.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 130 SDtfs, 88 SDslu, 238 SDs, 0 SdLazy, 292 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 22404 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 633]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation CFG has 4 procedures, 59 locations, 4 error locations. SAFE Result, 0.7s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 128 SDtfs, 88 SDslu, 230 SDs, 0 SdLazy, 292 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 89 ConstructedInterpolants, 0 QuantifiedInterpolants, 21102 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 624]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L635] FCALL struct item *list = ((void *)0); VAL [list={11:0}] [L637] CALL append(&list) VAL [plist={11:0}] [L626] EXPR, FCALL malloc(sizeof *item) VAL [malloc(sizeof *item)={9:0}, plist={11:0}, plist={11:0}] [L626] struct item *item = malloc(sizeof *item); VAL [item={9:0}, malloc(sizeof *item)={9:0}, plist={11:0}, plist={11:0}] [L627] EXPR, FCALL \read(**plist) VAL [\read(**plist)={0:0}, item={9:0}, malloc(sizeof *item)={9:0}, plist={11:0}, plist={11:0}] [L627] FCALL item->next = *plist VAL [\read(**plist)={0:0}, item={9:0}, malloc(sizeof *item)={9:0}, plist={11:0}, plist={11:0}] [L628] EXPR, FCALL item->next VAL [item={9:0}, item->next={0:0}, malloc(sizeof *item)={9:0}, plist={11:0}, plist={11:0}] [L628-L630] COND FALSE, EXPR !((item->next) ? item->next->data : malloc(sizeof *item)) VAL [item={9:0}, item->next={0:0}, malloc(sizeof *item)={9:0}, plist={11:0}, plist={11:0}] [L630] EXPR, FCALL malloc(sizeof *item) VAL [item={9:0}, item->next={0:0}, malloc(sizeof *item)={13:0}, malloc(sizeof *item)={9:0}, plist={11:0}, plist={11:0}] [L628-L630] EXPR (item->next) ? item->next->data : malloc(sizeof *item) VAL [(item->next) ? item->next->data : malloc(sizeof *item)={13:0}, item={9:0}, item->next={0:0}, malloc(sizeof *item)={13:0}, malloc(sizeof *item)={9:0}, plist={11:0}, plist={11:0}] [L628-L630] FCALL item->data = (item->next) ? item->next->data : malloc(sizeof *item) VAL [(item->next) ? item->next->data : malloc(sizeof *item)={13:0}, item={9:0}, item->next={0:0}, malloc(sizeof *item)={13:0}, malloc(sizeof *item)={9:0}, plist={11:0}, plist={11:0}] [L631] FCALL *plist = item VAL [item={9:0}, malloc(sizeof *item)={13:0}, malloc(sizeof *item)={9:0}, plist={11:0}, plist={11:0}] - StatisticsResult: Ultimate Automizer benchmark data for error location: appendErr0EnsuresViolation CFG has 4 procedures, 59 locations, 4 error locations. UNSAFE Result, 0.0s 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=59occurred 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, 23 NumberOfCodeBlocks, 23 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 RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0232_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-23_14-25-34-943.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0232_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-23_14-25-34-943.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0232_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-23_14-25-34-943.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0232_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-23_14-25-34-943.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0232_false-valid-memtrack.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-23_14-25-34-943.csv Received shutdown request...