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/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 04:23:38,523 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:23:38,524 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:23:38,534 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:23:38,535 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:23:38,536 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:23:38,536 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:23:38,538 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:23:38,539 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:23:38,540 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:23:38,540 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:23:38,541 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:23:38,541 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:23:38,542 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:23:38,543 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:23:38,545 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:23:38,547 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:23:38,548 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:23:38,549 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:23:38,550 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:23:38,552 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-04 04:23:38,557 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-02-04 04:23:38,567 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:23:38,567 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:23:38,568 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:23:38,568 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:23:38,568 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:23:38,569 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:23:38,569 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:23:38,569 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:23:38,569 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:23:38,569 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:23:38,569 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:23:38,570 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:23:38,570 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:23:38,570 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:23:38,570 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:23:38,570 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:23:38,570 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:23:38,571 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:23:38,571 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:23:38,571 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:23:38,571 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:23:38,571 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:23:38,571 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 04:23:38,572 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 04:23:38,572 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:23:38,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:23:38,610 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:23:38,613 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:23:38,615 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:23:38,615 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:23:38,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-02-04 04:23:38,751 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:23:38,752 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:23:38,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:23:38,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:23:38,756 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:23:38,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:23:38" (1/1) ... [2018-02-04 04:23:38,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3670bcd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:38, skipping insertion in model container [2018-02-04 04:23:38,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:23:38" (1/1) ... [2018-02-04 04:23:38,770 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:23:38,802 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:23:38,889 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:23:38,901 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:23:38,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:38 WrapperNode [2018-02-04 04:23:38,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:23:38,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:23:38,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:23:38,906 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:23:38,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:38" (1/1) ... [2018-02-04 04:23:38,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:38" (1/1) ... [2018-02-04 04:23:38,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:38" (1/1) ... [2018-02-04 04:23:38,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:38" (1/1) ... [2018-02-04 04:23:38,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:38" (1/1) ... [2018-02-04 04:23:38,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:38" (1/1) ... [2018-02-04 04:23:38,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:38" (1/1) ... [2018-02-04 04:23:38,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:23:38,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:23:38,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:23:38,932 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:23:38,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:38" (1/1) ... No working directory specified, using /home/ultimate/work/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 [2018-02-04 04:23:38,968 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:23:38,968 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:23:38,968 INFO L136 BoogieDeclarations]: Found implementation of procedure cbzero [2018-02-04 04:23:38,968 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:23:38,968 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 04:23:38,969 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 04:23:38,969 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:23:38,969 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:23:38,969 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:23:38,969 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 04:23:38,969 INFO L128 BoogieDeclarations]: Found specification of procedure cbzero [2018-02-04 04:23:38,969 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:23:38,969 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:23:38,970 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:23:39,087 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:23:39,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:23:39 BoogieIcfgContainer [2018-02-04 04:23:39,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:23:39,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:23:39,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:23:39,090 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:23:39,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:23:38" (1/3) ... [2018-02-04 04:23:39,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14137f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:23:39, skipping insertion in model container [2018-02-04 04:23:39,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:38" (2/3) ... [2018-02-04 04:23:39,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14137f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:23:39, skipping insertion in model container [2018-02-04 04:23:39,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:23:39" (3/3) ... [2018-02-04 04:23:39,092 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-02-04 04:23:39,099 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:23:39,105 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-02-04 04:23:39,140 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:23:39,140 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:23:39,140 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 04:23:39,140 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 04:23:39,140 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:23:39,140 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:23:39,141 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:23:39,141 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:23:39,141 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:23:39,149 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-02-04 04:23:39,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-02-04 04:23:39,156 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:23:39,157 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:23:39,157 INFO L371 AbstractCegarLoop]: === Iteration 1 === [cbzeroErr0RequiresViolation, cbzeroErr1RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-04 04:23:39,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1815231445, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:23:39,172 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:23:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:39,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:39,261 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:23:39,262 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 04:23:39,263 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:23:39,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:39,264 INFO L182 omatonBuilderFactory]: Interpolants [32#true, 33#false, 37#(= |#valid| |old(#valid)|), 38#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:23:39,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:39,265 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 04:23:39,276 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 04:23:39,277 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-02-04 04:23:39,279 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 4 states. [2018-02-04 04:23:39,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:23:39,337 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2018-02-04 04:23:39,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 04:23:39,338 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-02-04 04:23:39,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:23:39,344 INFO L225 Difference]: With dead ends: 30 [2018-02-04 04:23:39,344 INFO L226 Difference]: Without dead ends: 26 [2018-02-04 04:23:39,345 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-02-04 04:23:39,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-02-04 04:23:39,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-02-04 04:23:39,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-02-04 04:23:39,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2018-02-04 04:23:39,370 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 10 [2018-02-04 04:23:39,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:23:39,370 INFO L432 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2018-02-04 04:23:39,370 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 04:23:39,370 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2018-02-04 04:23:39,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 04:23:39,371 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:23:39,371 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:23:39,371 INFO L371 AbstractCegarLoop]: === Iteration 2 === [cbzeroErr0RequiresViolation, cbzeroErr1RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-04 04:23:39,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1377281886, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:23:39,374 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:23:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:39,392 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:23:39,398 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:39,399 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:39,401 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:39,402 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:39,434 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:23:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:39,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:39,522 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:23:39,522 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 04:23:39,522 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:23:39,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:39,523 INFO L182 omatonBuilderFactory]: Interpolants [96#false, 100#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 101#(= 1 (select |#valid| |main_#t~malloc5.base|)), 102#(= 1 (select |#valid| main_~nondetArea~0.base)), 103#(= 1 (select |#valid| |cbzero_#in~b.base|)), 104#(= 1 (select |#valid| cbzero_~p~0.base)), 105#(= 1 (select |#valid| |cbzero_#t~post1.base|)), 106#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 95#true] [2018-02-04 04:23:39,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:39,524 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 04:23:39,525 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 04:23:39,525 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=44, Unknown=1, NotChecked=12, Total=72 [2018-02-04 04:23:39,525 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand 9 states. [2018-02-04 04:23:39,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:23:39,708 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2018-02-04 04:23:39,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-04 04:23:39,709 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2018-02-04 04:23:39,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:23:39,709 INFO L225 Difference]: With dead ends: 41 [2018-02-04 04:23:39,710 INFO L226 Difference]: Without dead ends: 41 [2018-02-04 04:23:39,711 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=135, Unknown=6, NotChecked=24, Total=210 [2018-02-04 04:23:39,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-02-04 04:23:39,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2018-02-04 04:23:39,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-02-04 04:23:39,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2018-02-04 04:23:39,716 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 16 [2018-02-04 04:23:39,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:23:39,716 INFO L432 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2018-02-04 04:23:39,716 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 04:23:39,716 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2018-02-04 04:23:39,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 04:23:39,717 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:23:39,717 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:23:39,717 INFO L371 AbstractCegarLoop]: === Iteration 3 === [cbzeroErr0RequiresViolation, cbzeroErr1RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-04 04:23:39,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1377281887, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:23:39,720 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:23:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:39,750 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier [2018-02-04 04:23:39,752 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:39,752 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:39,752 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:39,753 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:39,757 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 1) (store |c_#length| %1 1)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:23:39,757 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:39,757 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:39,758 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:39,758 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:39,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:39,905 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:23:39,905 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-02-04 04:23:39,906 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:23:39,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:39,906 INFO L182 omatonBuilderFactory]: Interpolants [208#(and (<= 0 cbzero_~p~0.offset) (<= (+ cbzero_~p~0.offset 1) (select |#length| cbzero_~p~0.base))), 209#(and (<= 0 |cbzero_#t~post1.offset|) (<= (+ |cbzero_#t~post1.offset| 1) (select |#length| |cbzero_#t~post1.base|))), 210#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 198#true, 199#false, 203#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 1) (store |#length| %1 1)) :qid itp)) :qid itp)), 204#(exists ((%0 (Array Int Int))) (! (and (forall ((%1 Int)) (! (= (store %0 %1 1) (store |#length| %1 1)) :qid itp)) (= main_~length~0 1)) :qid itp)), 205#(and (= 0 |main_#t~malloc5.offset|) (<= 1 (select |#length| |main_#t~malloc5.base|))), 206#(and (<= 1 (select |#length| main_~nondetArea~0.base)) (= 0 main_~nondetArea~0.offset)), 207#(and (<= 1 (select |#length| |cbzero_#in~b.base|)) (= 0 |cbzero_#in~b.offset|))] [2018-02-04 04:23:39,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:39,906 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 04:23:39,906 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 04:23:39,907 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=58, Unknown=1, NotChecked=14, Total=90 [2018-02-04 04:23:39,907 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand 10 states. [2018-02-04 04:23:40,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:23:40,196 INFO L93 Difference]: Finished difference Result 67 states and 74 transitions. [2018-02-04 04:23:40,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 04:23:40,197 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2018-02-04 04:23:40,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:23:40,201 INFO L225 Difference]: With dead ends: 67 [2018-02-04 04:23:40,201 INFO L226 Difference]: Without dead ends: 67 [2018-02-04 04:23:40,202 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=181, Unknown=14, NotChecked=28, Total=272 [2018-02-04 04:23:40,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-02-04 04:23:40,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 55. [2018-02-04 04:23:40,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-02-04 04:23:40,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 66 transitions. [2018-02-04 04:23:40,212 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 66 transitions. Word has length 16 [2018-02-04 04:23:40,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:23:40,212 INFO L432 AbstractCegarLoop]: Abstraction has 55 states and 66 transitions. [2018-02-04 04:23:40,212 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 04:23:40,212 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2018-02-04 04:23:40,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 04:23:40,213 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:23:40,213 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:23:40,213 INFO L371 AbstractCegarLoop]: === Iteration 4 === [cbzeroErr0RequiresViolation, cbzeroErr1RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-04 04:23:40,213 INFO L82 PathProgramCache]: Analyzing trace with hash 2057340256, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:23:40,216 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:23:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:40,227 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:23:40,230 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:40,230 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:40,230 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:40,231 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:40,237 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:23:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:40,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:40,316 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:23:40,316 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 04:23:40,316 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:23:40,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:40,316 INFO L182 omatonBuilderFactory]: Interpolants [352#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 353#(= 1 (select |#valid| |main_#t~malloc5.base|)), 354#(= 1 (select |#valid| main_~nondetArea~0.base)), 355#(= 1 (select |#valid| |cbzero_#in~b.base|)), 356#(= 1 (select |#valid| cbzero_~p~0.base)), 357#(= 1 (select |#valid| |cbzero_#t~post1.base|)), 358#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 347#true, 348#false] [2018-02-04 04:23:40,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:40,317 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 04:23:40,317 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 04:23:40,317 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=44, Unknown=1, NotChecked=12, Total=72 [2018-02-04 04:23:40,317 INFO L87 Difference]: Start difference. First operand 55 states and 66 transitions. Second operand 9 states. [2018-02-04 04:23:40,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:23:40,435 INFO L93 Difference]: Finished difference Result 54 states and 63 transitions. [2018-02-04 04:23:40,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 04:23:40,435 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2018-02-04 04:23:40,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:23:40,436 INFO L225 Difference]: With dead ends: 54 [2018-02-04 04:23:40,436 INFO L226 Difference]: Without dead ends: 54 [2018-02-04 04:23:40,436 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=115, Unknown=5, NotChecked=22, Total=182 [2018-02-04 04:23:40,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-02-04 04:23:40,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 40. [2018-02-04 04:23:40,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-02-04 04:23:40,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2018-02-04 04:23:40,441 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 16 [2018-02-04 04:23:40,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:23:40,441 INFO L432 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2018-02-04 04:23:40,441 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 04:23:40,441 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2018-02-04 04:23:40,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 04:23:40,442 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:23:40,442 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:23:40,442 INFO L371 AbstractCegarLoop]: === Iteration 5 === [cbzeroErr0RequiresViolation, cbzeroErr1RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-04 04:23:40,442 INFO L82 PathProgramCache]: Analyzing trace with hash 984254877, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:23:40,445 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:23:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:40,472 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier [2018-02-04 04:23:40,473 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:40,473 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:40,473 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:40,474 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:40,474 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:40,474 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:40,477 WARN L1033 $PredicateComparison]: unable to prove that (forall ((%0 Int)) (! (exists ((%1 (Array Int Int))) (! (forall ((%2 Int)) (! (= (store |c_#length| %2 %0) (store %1 %2 %0)) :qid itp)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:23:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:40,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:40,527 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:23:40,527 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-04 04:23:40,527 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:23:40,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:40,527 INFO L182 omatonBuilderFactory]: Interpolants [464#false, 468#(forall ((%0 Int)) (! (exists ((%1 (Array Int Int))) (! (forall ((%2 Int)) (! (= (store |#length| %2 %0) (store %1 %2 %0)) :qid itp)) :qid itp)) :qid itp)), 469#(or (<= 1 main_~length~0) (< main_~length~0 main_~n~0)), 470#(<= 1 main_~length~0), 471#(and (= 0 |main_#t~malloc5.offset|) (<= 1 (select |#length| |main_#t~malloc5.base|))), 472#(and (<= 1 (select |#length| main_~nondetArea~0.base)) (= 0 main_~nondetArea~0.offset)), 473#(and (<= 1 (select |#length| |cbzero_#in~b.base|)) (= 0 |cbzero_#in~b.offset|)), 474#(and (<= 0 cbzero_~p~0.offset) (<= (+ cbzero_~p~0.offset 1) (select |#length| cbzero_~p~0.base))), 475#(and (<= 0 |cbzero_#t~post1.offset|) (<= (+ |cbzero_#t~post1.offset| 1) (select |#length| |cbzero_#t~post1.base|))), 476#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 463#true] [2018-02-04 04:23:40,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:40,527 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 04:23:40,527 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 04:23:40,528 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=73, Unknown=1, NotChecked=16, Total=110 [2018-02-04 04:23:40,528 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand 11 states. [2018-02-04 04:23:40,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:23:40,694 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2018-02-04 04:23:40,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-02-04 04:23:40,695 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 16 [2018-02-04 04:23:40,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:23:40,695 INFO L225 Difference]: With dead ends: 47 [2018-02-04 04:23:40,695 INFO L226 Difference]: Without dead ends: 47 [2018-02-04 04:23:40,696 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=242, Unknown=6, NotChecked=32, Total=342 [2018-02-04 04:23:40,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-02-04 04:23:40,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 28. [2018-02-04 04:23:40,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-02-04 04:23:40,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2018-02-04 04:23:40,698 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 16 [2018-02-04 04:23:40,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:23:40,698 INFO L432 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2018-02-04 04:23:40,698 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 04:23:40,698 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2018-02-04 04:23:40,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-02-04 04:23:40,699 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:23:40,699 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:23:40,699 INFO L371 AbstractCegarLoop]: === Iteration 6 === [cbzeroErr0RequiresViolation, cbzeroErr1RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-04 04:23:40,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1525480681, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:23:40,702 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:23:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:40,749 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:40,778 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 04:23:40,778 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-02-04 04:23:40,778 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:23:40,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:40,778 INFO L182 omatonBuilderFactory]: Interpolants [576#(= 1 cbzero_~length), 577#(and (<= cbzero_~length 0) (<= 0 cbzero_~length)), 578#(= 0 (mod |cbzero_#t~post0| 4294967296)), 579#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 569#true, 570#false, 574#(= 1 main_~n~0), 575#(= 1 |cbzero_#in~length|)] [2018-02-04 04:23:40,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:40,779 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 04:23:40,779 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 04:23:40,779 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-02-04 04:23:40,779 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand 8 states. [2018-02-04 04:23:40,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:23:40,930 INFO L93 Difference]: Finished difference Result 48 states and 51 transitions. [2018-02-04 04:23:40,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 04:23:40,931 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2018-02-04 04:23:40,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:23:40,932 INFO L225 Difference]: With dead ends: 48 [2018-02-04 04:23:40,932 INFO L226 Difference]: Without dead ends: 48 [2018-02-04 04:23:40,932 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-02-04 04:23:40,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-02-04 04:23:40,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 41. [2018-02-04 04:23:40,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-02-04 04:23:40,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-02-04 04:23:40,935 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 20 [2018-02-04 04:23:40,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:23:40,936 INFO L432 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-02-04 04:23:40,936 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 04:23:40,936 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-02-04 04:23:40,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-02-04 04:23:40,936 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:23:40,937 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:23:40,937 INFO L371 AbstractCegarLoop]: === Iteration 7 === [cbzeroErr0RequiresViolation, cbzeroErr1RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-04 04:23:40,937 INFO L82 PathProgramCache]: Analyzing trace with hash -2112286695, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:23:40,943 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:23:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:40,968 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: Unsupported proof rule: (rewrite (= (+ cbzero_~length_13 (* (- 1) |main_#t~nondet4_4|)) (+ (* (- 1) |main_#t~nondet4_4|) cbzero_~length_13))) [2018-02-04 04:23:40,968 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 109 column 387: theory not supported by interpolation or bad proof at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseInterpolants(Executor.java:255) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.readInterpolants(ScriptorWithGetInterpolants.java:136) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.getInterpolants(ScriptorWithGetInterpolants.java:64) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.getInterpolants(DiffWrapperScript.java:260) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:294) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:196) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedTraceAbstractionRefinementStrategy.getTraceCheck(FixedTraceAbstractionRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-04 04:23:40,971 INFO L168 Benchmark]: Toolchain (without parser) took 2220.48 ms. Allocated memory was 397.9 MB in the beginning and 615.5 MB in the end (delta: 217.6 MB). Free memory was 353.3 MB in the beginning and 556.9 MB in the end (delta: -203.6 MB). Peak memory consumption was 13.9 MB. Max. memory is 5.3 GB. [2018-02-04 04:23:40,973 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 397.9 MB. Free memory is still 358.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:23:40,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 153.36 ms. Allocated memory is still 397.9 MB. Free memory was 352.0 MB in the beginning and 342.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 5.3 GB. [2018-02-04 04:23:40,974 INFO L168 Benchmark]: Boogie Preprocessor took 25.54 ms. Allocated memory is still 397.9 MB. Free memory was 342.7 MB in the beginning and 340.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:23:40,974 INFO L168 Benchmark]: RCFGBuilder took 155.96 ms. Allocated memory is still 397.9 MB. Free memory was 340.1 MB in the beginning and 325.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 5.3 GB. [2018-02-04 04:23:40,975 INFO L168 Benchmark]: TraceAbstraction took 1883.04 ms. Allocated memory was 397.9 MB in the beginning and 615.5 MB in the end (delta: 217.6 MB). Free memory was 324.1 MB in the beginning and 556.9 MB in the end (delta: -232.9 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:23:40,977 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 397.9 MB. Free memory is still 358.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 153.36 ms. Allocated memory is still 397.9 MB. Free memory was 352.0 MB in the beginning and 342.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 25.54 ms. Allocated memory is still 397.9 MB. Free memory was 342.7 MB in the beginning and 340.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 155.96 ms. Allocated memory is still 397.9 MB. Free memory was 340.1 MB in the beginning and 325.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1883.04 ms. Allocated memory was 397.9 MB in the beginning and 615.5 MB in the end (delta: 217.6 MB). Free memory was 324.1 MB in the beginning and 556.9 MB in the end (delta: -232.9 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 109 column 387: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 109 column 387: theory not supported by interpolation or bad proof: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-23-40-985.csv Received shutdown request...