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 0.1.23-2f49842 [2018-01-20 21:55:42,280 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-20 21:55:42,282 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-20 21:55:42,297 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-20 21:55:42,297 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-20 21:55:42,298 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-20 21:55:42,299 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-20 21:55:42,300 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-20 21:55:42,302 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-20 21:55:42,303 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-20 21:55:42,304 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-20 21:55:42,304 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-20 21:55:42,305 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-20 21:55:42,306 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-20 21:55:42,307 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-20 21:55:42,310 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-20 21:55:42,312 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-20 21:55:42,314 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-20 21:55:42,315 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-20 21:55:42,317 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-20 21:55:42,319 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-20 21:55:42,324 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-20 21:55:42,325 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-20 21:55:42,325 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ.epf [2018-01-20 21:55:42,336 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-20 21:55:42,336 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-20 21:55:42,337 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-20 21:55:42,337 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-20 21:55:42,337 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-20 21:55:42,337 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-20 21:55:42,338 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-20 21:55:42,338 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-20 21:55:42,338 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-20 21:55:42,339 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-20 21:55:42,339 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-20 21:55:42,339 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-20 21:55:42,339 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-20 21:55:42,340 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-20 21:55:42,340 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-20 21:55:42,340 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-20 21:55:42,340 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-20 21:55:42,340 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-20 21:55:42,340 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-20 21:55:42,341 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-20 21:55:42,341 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-20 21:55:42,341 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-20 21:55:42,341 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-20 21:55:42,342 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-20 21:55:42,342 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-20 21:55:42,342 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-20 21:55:42,342 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-20 21:55:42,342 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-20 21:55:42,343 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-20 21:55:42,343 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-20 21:55:42,343 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-20 21:55:42,343 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-20 21:55:42,343 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-20 21:55:42,344 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-20 21:55:42,344 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-20 21:55:42,345 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-20 21:55:42,345 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-20 21:55:42,380 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-20 21:55:42,392 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-20 21:55:42,396 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-20 21:55:42,398 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-20 21:55:42,398 INFO L276 PluginConnector]: CDTParser initialized [2018-01-20 21:55:42,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-01-20 21:55:42,572 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-20 21:55:42,577 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-20 21:55:42,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-20 21:55:42,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-20 21:55:42,585 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-20 21:55:42,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 09:55:42" (1/1) ... [2018-01-20 21:55:42,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fa34273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 09:55:42, skipping insertion in model container [2018-01-20 21:55:42,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 09:55:42" (1/1) ... [2018-01-20 21:55:42,608 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-20 21:55:42,648 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-20 21:55:42,758 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-20 21:55:42,772 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-20 21:55:42,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 09:55:42 WrapperNode [2018-01-20 21:55:42,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-20 21:55:42,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-20 21:55:42,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-20 21:55:42,779 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-20 21:55:42,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 09:55:42" (1/1) ... [2018-01-20 21:55:42,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 09:55:42" (1/1) ... [2018-01-20 21:55:42,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 09:55:42" (1/1) ... [2018-01-20 21:55:42,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 09:55:42" (1/1) ... [2018-01-20 21:55:42,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 09:55:42" (1/1) ... [2018-01-20 21:55:42,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 09:55:42" (1/1) ... [2018-01-20 21:55:42,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 09:55:42" (1/1) ... [2018-01-20 21:55:42,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-20 21:55:42,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-20 21:55:42,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-20 21:55:42,816 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-20 21:55:42,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 09:55:42" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-20 21:55:42,864 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-20 21:55:42,864 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-20 21:55:42,865 INFO L136 BoogieDeclarations]: Found implementation of procedure cbzero [2018-01-20 21:55:42,865 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-20 21:55:42,865 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-20 21:55:42,865 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-20 21:55:42,865 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-20 21:55:42,865 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-20 21:55:42,865 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-20 21:55:42,865 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-20 21:55:42,865 INFO L128 BoogieDeclarations]: Found specification of procedure cbzero [2018-01-20 21:55:42,866 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-20 21:55:42,866 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-20 21:55:42,866 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-20 21:55:43,018 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-20 21:55:43,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 09:55:43 BoogieIcfgContainer [2018-01-20 21:55:43,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-20 21:55:43,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-20 21:55:43,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-20 21:55:43,022 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-20 21:55:43,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 09:55:42" (1/3) ... [2018-01-20 21:55:43,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75127f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 09:55:43, skipping insertion in model container [2018-01-20 21:55:43,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 09:55:42" (2/3) ... [2018-01-20 21:55:43,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75127f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 09:55:43, skipping insertion in model container [2018-01-20 21:55:43,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 09:55:43" (3/3) ... [2018-01-20 21:55:43,025 INFO L105 eAbstractionObserver]: Analyzing ICFG openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-01-20 21:55:43,032 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-20 21:55:43,038 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-01-20 21:55:43,087 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 21:55:43,087 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 21:55:43,087 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 21:55:43,088 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 21:55:43,088 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 21:55:43,088 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 21:55:43,088 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 21:55:43,088 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-20 21:55:43,089 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 21:55:43,103 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-01-20 21:55:43,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-20 21:55:43,108 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 21:55:43,109 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-20 21:55:43,109 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-20 21:55:43,115 INFO L82 PathProgramCache]: Analyzing trace with hash 77843, now seen corresponding path program 1 times [2018-01-20 21:55:43,117 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 21:55:43,118 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 21:55:43,166 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 21:55:43,166 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 21:55:43,166 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 21:55:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 21:55:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 21:55:43,223 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-20 21:55:43,229 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 21:55:43,234 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 21:55:43,235 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 21:55:43,235 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 21:55:43,235 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 21:55:43,235 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 21:55:43,235 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 21:55:43,235 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 21:55:43,235 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-20 21:55:43,235 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 21:55:43,237 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-01-20 21:55:43,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-01-20 21:55:43,237 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 21:55:43,238 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 21:55:43,238 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 21:55:43,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1662222853, now seen corresponding path program 1 times [2018-01-20 21:55:43,238 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 21:55:43,238 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 21:55:43,239 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 21:55:43,240 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 21:55:43,240 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 21:55:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 21:55:43,264 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 21:55:43,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 21:55:43,362 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 21:55:43,362 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-20 21:55:43,363 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-20 21:55:43,377 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-20 21:55:43,378 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-20 21:55:43,380 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 4 states. [2018-01-20 21:55:43,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 21:55:43,499 INFO L93 Difference]: Finished difference Result 45 states and 50 transitions. [2018-01-20 21:55:43,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-20 21:55:43,501 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-01-20 21:55:43,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 21:55:43,514 INFO L225 Difference]: With dead ends: 45 [2018-01-20 21:55:43,514 INFO L226 Difference]: Without dead ends: 29 [2018-01-20 21:55:43,517 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 [2018-01-20 21:55:43,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-01-20 21:55:43,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2018-01-20 21:55:43,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-01-20 21:55:43,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2018-01-20 21:55:43,552 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 12 [2018-01-20 21:55:43,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 21:55:43,553 INFO L432 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2018-01-20 21:55:43,553 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-20 21:55:43,553 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2018-01-20 21:55:43,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-01-20 21:55:43,553 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 21:55:43,554 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 21:55:43,554 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 21:55:43,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1664069895, now seen corresponding path program 1 times [2018-01-20 21:55:43,554 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 21:55:43,554 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 21:55:43,555 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 21:55:43,555 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 21:55:43,555 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 21:55:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 21:55:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 21:55:43,582 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-20 21:55:43,586 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 21:55:43,587 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 21:55:43,587 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 21:55:43,594 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 21:55:43,594 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 21:55:43,594 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 21:55:43,594 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 21:55:43,594 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 21:55:43,595 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 21:55:43,595 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 21:55:43,595 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == cbzeroErr0EnsuresViolation======== [2018-01-20 21:55:43,595 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 21:55:43,596 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-01-20 21:55:43,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-20 21:55:43,597 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 21:55:43,597 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 21:55:43,597 INFO L371 AbstractCegarLoop]: === Iteration 1 === [cbzeroErr0EnsuresViolation]=== [2018-01-20 21:55:43,598 INFO L82 PathProgramCache]: Analyzing trace with hash -983978222, now seen corresponding path program 1 times [2018-01-20 21:55:43,598 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 21:55:43,598 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 21:55:43,599 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 21:55:43,599 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 21:55:43,599 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 21:55:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 21:55:43,616 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 21:55:43,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 21:55:43,635 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 21:55:43,635 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 21:55:43,636 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 21:55:43,636 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 21:55:43,636 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 21:55:43,637 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2018-01-20 21:55:43,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 21:55:43,641 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2018-01-20 21:55:43,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 21:55:43,641 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2018-01-20 21:55:43,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 21:55:43,641 INFO L225 Difference]: With dead ends: 41 [2018-01-20 21:55:43,642 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 21:55:43,642 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 21:55:43,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 21:55:43,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 21:55:43,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 21:55:43,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 21:55:43,643 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-01-20 21:55:43,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 21:55:43,644 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 21:55:43,644 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 21:55:43,644 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 21:55:43,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 21:55:43,647 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 21:55:43,647 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 21:55:43,647 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 21:55:43,647 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 21:55:43,647 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 21:55:43,647 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 21:55:43,648 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 21:55:43,648 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-20 21:55:43,648 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 21:55:43,649 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-01-20 21:55:43,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-01-20 21:55:43,650 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 21:55:43,650 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 21:55:43,650 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-20 21:55:43,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1759162219, now seen corresponding path program 1 times [2018-01-20 21:55:43,651 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 21:55:43,651 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 21:55:43,652 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 21:55:43,652 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 21:55:43,652 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 21:55:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 21:55:43,660 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 21:55:43,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 21:55:43,695 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 21:55:43,695 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-20 21:55:43,695 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-20 21:55:43,695 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-20 21:55:43,695 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-20 21:55:43,696 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 4 states. [2018-01-20 21:55:43,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 21:55:43,726 INFO L93 Difference]: Finished difference Result 45 states and 50 transitions. [2018-01-20 21:55:43,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-20 21:55:43,727 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-01-20 21:55:43,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 21:55:43,728 INFO L225 Difference]: With dead ends: 45 [2018-01-20 21:55:43,728 INFO L226 Difference]: Without dead ends: 27 [2018-01-20 21:55:43,729 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 [2018-01-20 21:55:43,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-01-20 21:55:43,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2018-01-20 21:55:43,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-01-20 21:55:43,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2018-01-20 21:55:43,734 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 10 [2018-01-20 21:55:43,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 21:55:43,734 INFO L432 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2018-01-20 21:55:43,734 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-20 21:55:43,734 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2018-01-20 21:55:43,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-01-20 21:55:43,735 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 21:55:43,735 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 21:55:43,735 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation]=== [2018-01-20 21:55:43,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1759160297, now seen corresponding path program 1 times [2018-01-20 21:55:43,736 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 21:55:43,736 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 21:55:43,737 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 21:55:43,737 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 21:55:43,737 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 21:55:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 21:55:43,747 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 21:55:43,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 21:55:43,766 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 21:55:43,766 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 21:55:43,766 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-20 21:55:43,766 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-20 21:55:43,766 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 21:55:43,767 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand 3 states. [2018-01-20 21:55:43,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 21:55:43,791 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2018-01-20 21:55:43,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-20 21:55:43,791 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-01-20 21:55:43,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 21:55:43,792 INFO L225 Difference]: With dead ends: 27 [2018-01-20 21:55:43,792 INFO L226 Difference]: Without dead ends: 25 [2018-01-20 21:55:43,793 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 [2018-01-20 21:55:43,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-01-20 21:55:43,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2018-01-20 21:55:43,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-01-20 21:55:43,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2018-01-20 21:55:43,796 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 10 [2018-01-20 21:55:43,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 21:55:43,796 INFO L432 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2018-01-20 21:55:43,796 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-20 21:55:43,796 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2018-01-20 21:55:43,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-20 21:55:43,797 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 21:55:43,797 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] [2018-01-20 21:55:43,797 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolation]=== [2018-01-20 21:55:43,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1008979307, now seen corresponding path program 1 times [2018-01-20 21:55:43,797 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 21:55:43,797 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 21:55:43,798 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 21:55:43,798 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 21:55:43,798 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 21:55:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 21:55:43,816 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 21:55:43,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 21:55:43,914 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 21:55:43,914 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-20 21:55:43,914 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-20 21:55:43,915 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-20 21:55:43,915 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-20 21:55:43,915 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand 6 states. [2018-01-20 21:55:43,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 21:55:43,963 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2018-01-20 21:55:43,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-20 21:55:43,963 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-01-20 21:55:43,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 21:55:43,964 INFO L225 Difference]: With dead ends: 42 [2018-01-20 21:55:43,964 INFO L226 Difference]: Without dead ends: 37 [2018-01-20 21:55:43,965 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 [2018-01-20 21:55:43,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-01-20 21:55:43,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 32. [2018-01-20 21:55:43,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-01-20 21:55:43,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2018-01-20 21:55:43,978 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 21 [2018-01-20 21:55:43,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 21:55:43,978 INFO L432 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2018-01-20 21:55:43,979 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-20 21:55:43,979 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2018-01-20 21:55:43,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-20 21:55:43,981 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 21:55:43,981 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] [2018-01-20 21:55:43,981 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolation]=== [2018-01-20 21:55:43,981 INFO L82 PathProgramCache]: Analyzing trace with hash -2020096557, now seen corresponding path program 1 times [2018-01-20 21:55:43,981 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 21:55:43,982 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 21:55:43,982 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 21:55:43,983 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 21:55:43,983 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 21:55:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 21:55:44,004 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 21:55:44,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 21:55:44,070 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 21:55:44,070 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-20 21:55:44,070 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-20 21:55:44,070 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-20 21:55:44,070 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-20 21:55:44,071 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand 4 states. [2018-01-20 21:55:44,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 21:55:44,147 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2018-01-20 21:55:44,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-20 21:55:44,148 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-01-20 21:55:44,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 21:55:44,148 INFO L225 Difference]: With dead ends: 32 [2018-01-20 21:55:44,148 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 21:55:44,149 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 [2018-01-20 21:55:44,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 21:55:44,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 21:55:44,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 21:55:44,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 21:55:44,150 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2018-01-20 21:55:44,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 21:55:44,150 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 21:55:44,150 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-20 21:55:44,150 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 21:55:44,150 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 21:55:44,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.01 09:55:44 BoogieIcfgContainer [2018-01-20 21:55:44,153 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-20 21:55:44,154 INFO L168 Benchmark]: Toolchain (without parser) took 1580.99 ms. Allocated memory was 305.1 MB in the beginning and 466.1 MB in the end (delta: 161.0 MB). Free memory was 263.4 MB in the beginning and 378.8 MB in the end (delta: -115.3 MB). Peak memory consumption was 45.6 MB. Max. memory is 5.3 GB. [2018-01-20 21:55:44,155 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 305.1 MB. Free memory is still 269.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-20 21:55:44,156 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.51 ms. Allocated memory is still 305.1 MB. Free memory was 263.4 MB in the beginning and 252.5 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 5.3 GB. [2018-01-20 21:55:44,156 INFO L168 Benchmark]: Boogie Preprocessor took 36.82 ms. Allocated memory is still 305.1 MB. Free memory was 252.5 MB in the beginning and 251.5 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 5.3 GB. [2018-01-20 21:55:44,156 INFO L168 Benchmark]: RCFGBuilder took 203.47 ms. Allocated memory is still 305.1 MB. Free memory was 251.5 MB in the beginning and 236.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 5.3 GB. [2018-01-20 21:55:44,156 INFO L168 Benchmark]: TraceAbstraction took 1133.59 ms. Allocated memory was 305.1 MB in the beginning and 466.1 MB in the end (delta: 161.0 MB). Free memory was 236.8 MB in the beginning and 378.8 MB in the end (delta: -142.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 5.3 GB. [2018-01-20 21:55:44,158 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 305.1 MB. Free memory is still 269.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 199.51 ms. Allocated memory is still 305.1 MB. Free memory was 263.4 MB in the beginning and 252.5 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 36.82 ms. Allocated memory is still 305.1 MB. Free memory was 252.5 MB in the beginning and 251.5 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 5.3 GB. * RCFGBuilder took 203.47 ms. Allocated memory is still 305.1 MB. Free memory was 251.5 MB in the beginning and 236.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1133.59 ms. Allocated memory was 305.1 MB in the beginning and 466.1 MB in the end (delta: 161.0 MB). Free memory was 236.8 MB in the beginning and 378.8 MB in the end (delta: -142.0 MB). Peak memory consumption was 19.0 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-0-2018-01-20_21-55-44-168.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-0-2018-01-20_21-55-44-168.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-1-2018-01-20_21-55-44-168.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-2-2018-01-20_21-55-44-168.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-3-2018-01-20_21-55-44-168.csv Received shutdown request...