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/array-memsafety/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-47db877 [2018-01-23 14:21:46,598 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-23 14:21:46,600 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-23 14:21:46,617 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-23 14:21:46,618 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-23 14:21:46,619 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-23 14:21:46,620 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-23 14:21:46,622 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-23 14:21:46,624 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-23 14:21:46,625 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-23 14:21:46,626 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-23 14:21:46,626 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-23 14:21:46,627 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-23 14:21:46,628 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-23 14:21:46,629 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-23 14:21:46,632 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-23 14:21:46,634 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-23 14:21:46,636 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-23 14:21:46,638 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-23 14:21:46,639 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-23 14:21:46,641 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-23 14:21:46,646 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-23 14:21:46,647 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-23 14:21:46,647 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 14:21:46,657 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-23 14:21:46,658 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-23 14:21:46,659 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-23 14:21:46,659 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-23 14:21:46,659 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-23 14:21:46,659 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-23 14:21:46,659 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-23 14:21:46,660 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-23 14:21:46,660 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-23 14:21:46,661 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-23 14:21:46,661 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-23 14:21:46,661 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-23 14:21:46,661 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-23 14:21:46,661 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-23 14:21:46,661 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-23 14:21:46,662 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-23 14:21:46,662 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-23 14:21:46,662 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-23 14:21:46,662 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-23 14:21:46,662 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-23 14:21:46,663 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-23 14:21:46,663 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-23 14:21:46,663 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-23 14:21:46,663 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-23 14:21:46,663 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-23 14:21:46,664 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-23 14:21:46,664 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-23 14:21:46,664 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-23 14:21:46,664 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-23 14:21:46,664 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-23 14:21:46,665 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-23 14:21:46,665 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-23 14:21:46,665 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-23 14:21:46,665 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-23 14:21:46,665 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-23 14:21:46,666 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-23 14:21:46,667 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-23 14:21:46,702 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-23 14:21:46,715 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-23 14:21:46,719 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-23 14:21:46,721 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-23 14:21:46,721 INFO L276 PluginConnector]: CDTParser initialized [2018-01-23 14:21:46,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-01-23 14:21:46,891 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-23 14:21:46,896 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-23 14:21:46,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-23 14:21:46,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-23 14:21:46,902 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-23 14:21:46,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 02:21:46" (1/1) ... [2018-01-23 14:21:46,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57588e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:21:46, skipping insertion in model container [2018-01-23 14:21:46,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 02:21:46" (1/1) ... [2018-01-23 14:21:46,923 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 14:21:46,964 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 14:21:47,075 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 14:21:47,089 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 14:21:47,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:21:47 WrapperNode [2018-01-23 14:21:47,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-23 14:21:47,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-23 14:21:47,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-23 14:21:47,095 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-23 14:21:47,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:21:47" (1/1) ... [2018-01-23 14:21:47,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:21:47" (1/1) ... [2018-01-23 14:21:47,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:21:47" (1/1) ... [2018-01-23 14:21:47,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:21:47" (1/1) ... [2018-01-23 14:21:47,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:21:47" (1/1) ... [2018-01-23 14:21:47,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:21:47" (1/1) ... [2018-01-23 14:21:47,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:21:47" (1/1) ... [2018-01-23 14:21:47,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-23 14:21:47,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-23 14:21:47,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-23 14:21:47,123 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-23 14:21:47,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:21:47" (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 14:21:47,174 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-23 14:21:47,175 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-23 14:21:47,175 INFO L136 BoogieDeclarations]: Found implementation of procedure cbzero [2018-01-23 14:21:47,175 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-23 14:21:47,175 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-23 14:21:47,175 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-23 14:21:47,175 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-23 14:21:47,175 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-23 14:21:47,175 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-23 14:21:47,175 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-23 14:21:47,176 INFO L128 BoogieDeclarations]: Found specification of procedure cbzero [2018-01-23 14:21:47,176 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-23 14:21:47,176 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-23 14:21:47,176 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-23 14:21:47,324 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-23 14:21:47,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 02:21:47 BoogieIcfgContainer [2018-01-23 14:21:47,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-23 14:21:47,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-23 14:21:47,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-23 14:21:47,327 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-23 14:21:47,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 02:21:46" (1/3) ... [2018-01-23 14:21:47,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545744cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 02:21:47, skipping insertion in model container [2018-01-23 14:21:47,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:21:47" (2/3) ... [2018-01-23 14:21:47,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545744cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 02:21:47, skipping insertion in model container [2018-01-23 14:21:47,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 02:21:47" (3/3) ... [2018-01-23 14:21:47,330 INFO L105 eAbstractionObserver]: Analyzing ICFG openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-01-23 14:21:47,337 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-23 14:21:47,343 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-01-23 14:21:47,384 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:21:47,384 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:21:47,385 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:21:47,385 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:21:47,385 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:21:47,385 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:21:47,385 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:21:47,385 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-23 14:21:47,386 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:21:47,405 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-01-23 14:21:47,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-23 14:21:47,412 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:21:47,413 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-23 14:21:47,413 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-23 14:21:47,419 INFO L82 PathProgramCache]: Analyzing trace with hash 77843, now seen corresponding path program 1 times [2018-01-23 14:21:47,421 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:21:47,422 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:21:47,468 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:21:47,468 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:21:47,468 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:21:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:21:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:21:47,522 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-23 14:21:47,528 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:21:47,534 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:21:47,534 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:21:47,534 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:21:47,534 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:21:47,534 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:21:47,534 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:21:47,534 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:21:47,534 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-23 14:21:47,535 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:21:47,536 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-01-23 14:21:47,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-01-23 14:21:47,536 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:21:47,537 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:21:47,537 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:21:47,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1662222853, now seen corresponding path program 1 times [2018-01-23 14:21:47,537 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:21:47,537 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:21:47,538 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:21:47,538 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:21:47,538 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:21:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:21:47,562 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:21:47,639 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 14:21:47,642 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:21:47,642 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-23 14:21:47,644 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-23 14:21:47,654 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-23 14:21:47,655 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:21:47,657 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 4 states. [2018-01-23 14:21:47,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:21:47,775 INFO L93 Difference]: Finished difference Result 45 states and 50 transitions. [2018-01-23 14:21:47,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-23 14:21:47,777 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-01-23 14:21:47,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:21:47,789 INFO L225 Difference]: With dead ends: 45 [2018-01-23 14:21:47,790 INFO L226 Difference]: Without dead ends: 29 [2018-01-23 14:21:47,792 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-23 14:21:47,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-01-23 14:21:47,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2018-01-23 14:21:47,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-01-23 14:21:47,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2018-01-23 14:21:47,831 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 12 [2018-01-23 14:21:47,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:21:47,832 INFO L432 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2018-01-23 14:21:47,832 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-23 14:21:47,832 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2018-01-23 14:21:47,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-01-23 14:21:47,832 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:21:47,832 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:21:47,833 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:21:47,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1664069895, now seen corresponding path program 1 times [2018-01-23 14:21:47,833 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:21:47,833 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:21:47,834 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:21:47,834 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:21:47,834 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:21:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:21:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:21:47,863 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-23 14:21:47,866 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:21:47,867 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:21:47,867 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:21:47,872 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:21:47,872 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:21:47,872 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:21:47,872 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:21:47,872 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:21:47,872 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:21:47,872 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:21:47,872 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == cbzeroErr0EnsuresViolation======== [2018-01-23 14:21:47,873 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:21:47,874 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-01-23 14:21:47,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-23 14:21:47,874 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:21:47,874 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:21:47,875 INFO L371 AbstractCegarLoop]: === Iteration 1 === [cbzeroErr0EnsuresViolation]=== [2018-01-23 14:21:47,875 INFO L82 PathProgramCache]: Analyzing trace with hash -983978222, now seen corresponding path program 1 times [2018-01-23 14:21:47,875 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:21:47,875 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:21:47,876 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:21:47,876 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:21:47,876 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:21:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:21:47,917 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:21:47,937 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 14:21:47,937 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:21:47,937 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:21:47,938 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:21:47,938 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:21:47,938 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:21:47,938 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2018-01-23 14:21:47,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:21:47,943 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2018-01-23 14:21:47,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:21:47,943 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2018-01-23 14:21:47,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:21:47,943 INFO L225 Difference]: With dead ends: 41 [2018-01-23 14:21:47,944 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:21:47,944 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 14:21:47,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:21:47,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:21:47,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:21:47,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:21:47,945 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-01-23 14:21:47,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:21:47,946 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:21:47,946 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:21:47,946 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:21:47,946 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:21:47,949 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:21:47,949 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:21:47,949 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:21:47,949 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:21:47,949 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:21:47,950 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:21:47,950 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:21:47,950 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-23 14:21:47,950 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:21:47,951 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-01-23 14:21:47,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-01-23 14:21:47,952 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:21:47,952 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:21:47,953 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-23 14:21:47,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1759162219, now seen corresponding path program 1 times [2018-01-23 14:21:47,953 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:21:47,953 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:21:47,954 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:21:47,954 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:21:47,954 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:21:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:21:47,964 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:21:48,000 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 14:21:48,001 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:21:48,001 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-23 14:21:48,001 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-23 14:21:48,001 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-23 14:21:48,001 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:21:48,002 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 4 states. [2018-01-23 14:21:48,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:21:48,046 INFO L93 Difference]: Finished difference Result 45 states and 50 transitions. [2018-01-23 14:21:48,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-23 14:21:48,047 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-01-23 14:21:48,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:21:48,048 INFO L225 Difference]: With dead ends: 45 [2018-01-23 14:21:48,048 INFO L226 Difference]: Without dead ends: 27 [2018-01-23 14:21:48,049 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-23 14:21:48,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-01-23 14:21:48,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2018-01-23 14:21:48,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-01-23 14:21:48,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2018-01-23 14:21:48,054 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 10 [2018-01-23 14:21:48,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:21:48,054 INFO L432 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2018-01-23 14:21:48,054 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-23 14:21:48,054 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2018-01-23 14:21:48,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-01-23 14:21:48,055 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:21:48,055 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:21:48,055 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation]=== [2018-01-23 14:21:48,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1759160297, now seen corresponding path program 1 times [2018-01-23 14:21:48,056 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:21:48,056 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:21:48,057 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:21:48,057 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:21:48,057 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:21:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:21:48,067 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:21:48,085 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 14:21:48,085 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:21:48,085 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:21:48,086 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:21:48,086 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:21:48,086 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:21:48,087 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand 3 states. [2018-01-23 14:21:48,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:21:48,115 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2018-01-23 14:21:48,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:21:48,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-01-23 14:21:48,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:21:48,116 INFO L225 Difference]: With dead ends: 27 [2018-01-23 14:21:48,116 INFO L226 Difference]: Without dead ends: 25 [2018-01-23 14:21:48,117 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:21:48,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-01-23 14:21:48,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2018-01-23 14:21:48,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-01-23 14:21:48,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2018-01-23 14:21:48,123 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 10 [2018-01-23 14:21:48,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:21:48,123 INFO L432 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2018-01-23 14:21:48,123 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:21:48,123 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2018-01-23 14:21:48,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-23 14:21:48,124 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:21:48,124 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] [2018-01-23 14:21:48,124 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolation]=== [2018-01-23 14:21:48,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1008979307, now seen corresponding path program 1 times [2018-01-23 14:21:48,125 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:21:48,125 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:21:48,126 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:21:48,126 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:21:48,126 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:21:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:21:48,143 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:21:48,266 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 14:21:48,266 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:21:48,266 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-23 14:21:48,267 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-23 14:21:48,267 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-23 14:21:48,267 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-23 14:21:48,267 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand 6 states. [2018-01-23 14:21:48,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:21:48,321 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2018-01-23 14:21:48,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-23 14:21:48,322 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-01-23 14:21:48,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:21:48,323 INFO L225 Difference]: With dead ends: 42 [2018-01-23 14:21:48,323 INFO L226 Difference]: Without dead ends: 37 [2018-01-23 14:21:48,323 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-23 14:21:48,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-01-23 14:21:48,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 32. [2018-01-23 14:21:48,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-01-23 14:21:48,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2018-01-23 14:21:48,336 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 21 [2018-01-23 14:21:48,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:21:48,336 INFO L432 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2018-01-23 14:21:48,337 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-23 14:21:48,337 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2018-01-23 14:21:48,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-23 14:21:48,339 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:21:48,339 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] [2018-01-23 14:21:48,339 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolation]=== [2018-01-23 14:21:48,339 INFO L82 PathProgramCache]: Analyzing trace with hash -2020096557, now seen corresponding path program 1 times [2018-01-23 14:21:48,339 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:21:48,339 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:21:48,340 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:21:48,341 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:21:48,341 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:21:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:21:48,361 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:21:48,431 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 14:21:48,432 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:21:48,432 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-23 14:21:48,432 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-23 14:21:48,432 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-23 14:21:48,433 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-23 14:21:48,433 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand 4 states. [2018-01-23 14:21:48,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:21:48,482 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2018-01-23 14:21:48,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-23 14:21:48,482 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-01-23 14:21:48,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:21:48,483 INFO L225 Difference]: With dead ends: 32 [2018-01-23 14:21:48,483 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:21:48,483 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 14:21:48,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:21:48,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:21:48,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:21:48,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:21:48,484 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2018-01-23 14:21:48,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:21:48,485 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:21:48,485 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-23 14:21:48,485 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:21:48,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:21:48,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.01 02:21:48 BoogieIcfgContainer [2018-01-23 14:21:48,489 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-23 14:21:48,489 INFO L168 Benchmark]: Toolchain (without parser) took 1598.12 ms. Allocated memory was 302.0 MB in the beginning and 455.1 MB in the end (delta: 153.1 MB). Free memory was 260.3 MB in the beginning and 367.8 MB in the end (delta: -107.5 MB). Peak memory consumption was 45.6 MB. Max. memory is 5.3 GB. [2018-01-23 14:21:48,490 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 302.0 MB. Free memory is still 266.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-23 14:21:48,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 197.63 ms. Allocated memory is still 302.0 MB. Free memory was 259.3 MB in the beginning and 249.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-23 14:21:48,491 INFO L168 Benchmark]: Boogie Preprocessor took 27.30 ms. Allocated memory is still 302.0 MB. Free memory was 249.3 MB in the beginning and 248.3 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 5.3 GB. [2018-01-23 14:21:48,491 INFO L168 Benchmark]: RCFGBuilder took 201.99 ms. Allocated memory is still 302.0 MB. Free memory was 248.3 MB in the beginning and 233.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 5.3 GB. [2018-01-23 14:21:48,492 INFO L168 Benchmark]: TraceAbstraction took 1163.71 ms. Allocated memory was 302.0 MB in the beginning and 455.1 MB in the end (delta: 153.1 MB). Free memory was 233.6 MB in the beginning and 367.8 MB in the end (delta: -134.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 5.3 GB. [2018-01-23 14:21:48,493 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 302.0 MB. Free memory is still 266.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 197.63 ms. Allocated memory is still 302.0 MB. Free memory was 259.3 MB in the beginning and 249.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 27.30 ms. Allocated memory is still 302.0 MB. Free memory was 249.3 MB in the beginning and 248.3 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 5.3 GB. * RCFGBuilder took 201.99 ms. Allocated memory is still 302.0 MB. Free memory was 248.3 MB in the beginning and 233.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1163.71 ms. Allocated memory was 302.0 MB in the beginning and 455.1 MB in the end (delta: 153.1 MB). Free memory was 233.6 MB in the beginning and 367.8 MB in the end (delta: -134.2 MB). Peak memory consumption was 18.9 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) - 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, 30 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=30occurred 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 - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L548] int length = __VERIFIER_nondet_int(); [L549] int n = __VERIFIER_nondet_int(); [L550] COND TRUE length < 1 [L551] length = 1 VAL [length=1, n=2] [L553] COND FALSE !(n < 1) VAL [length=1, n=2] [L556] COND TRUE n > length [L556] return 0; - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 4 procedures, 30 locations, 4 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 32 SDtfs, 20 SDslu, 38 SDs, 0 SdLazy, 9 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 165 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 540]: 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: cbzeroErr0EnsuresViolation CFG has 4 procedures, 30 locations, 4 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 32 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 196 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 547]: 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, 30 locations, 4 error locations. SAFE Result, 0.5s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 103 SDtfs, 43 SDslu, 139 SDs, 0 SdLazy, 72 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=3, 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, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 3408 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-23_14-21-48-500.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-23_14-21-48-500.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-23_14-21-48-500.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-23_14-21-48-500.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-23_14-21-48-500.csv Received shutdown request...