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/list-ext-properties/test-0158_1_false-valid-free.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 04:40:47,662 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:40:47,664 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:40:47,675 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:40:47,676 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:40:47,677 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:40:47,678 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:40:47,679 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:40:47,681 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:40:47,681 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:40:47,682 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:40:47,683 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:40:47,683 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:40:47,685 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:40:47,685 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:40:47,687 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:40:47,689 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:40:47,691 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:40:47,692 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:40:47,693 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:40:47,695 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-04 04:40:47,699 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 04:40:47,699 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 04:40:47,700 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 04:40:47,709 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:40:47,710 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:40:47,711 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:40:47,711 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:40:47,711 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:40:47,711 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:40:47,711 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:40:47,712 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:40:47,712 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:40:47,712 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:40:47,712 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:40:47,712 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:40:47,712 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:40:47,712 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:40:47,713 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:40:47,713 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:40:47,713 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:40:47,713 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:40:47,713 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:40:47,713 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:40:47,714 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:40:47,714 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:40:47,714 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 04:40:47,714 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 04:40:47,714 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:40:47,742 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:40:47,750 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:40:47,752 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:40:47,754 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:40:47,754 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:40:47,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/test-0158_1_false-valid-free.i [2018-02-04 04:40:47,887 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:40:47,888 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:40:47,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:40:47,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:40:47,894 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:40:47,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:40:47" (1/1) ... [2018-02-04 04:40:47,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e7a341d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:40:47, skipping insertion in model container [2018-02-04 04:40:47,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:40:47" (1/1) ... [2018-02-04 04:40:47,909 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:40:47,938 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:40:48,024 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:40:48,037 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:40:48,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:40:48 WrapperNode [2018-02-04 04:40:48,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:40:48,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:40:48,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:40:48,046 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:40:48,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:40:48" (1/1) ... [2018-02-04 04:40:48,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:40:48" (1/1) ... [2018-02-04 04:40:48,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:40:48" (1/1) ... [2018-02-04 04:40:48,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:40:48" (1/1) ... [2018-02-04 04:40:48,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:40:48" (1/1) ... [2018-02-04 04:40:48,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:40:48" (1/1) ... [2018-02-04 04:40:48,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:40:48" (1/1) ... [2018-02-04 04:40:48,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:40:48,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:40:48,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:40:48,074 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:40:48,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:40:48" (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 04:40:48,117 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:40:48,117 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:40:48,117 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:40:48,118 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 04:40:48,118 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 04:40:48,118 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 04:40:48,118 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 04:40:48,118 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:40:48,118 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:40:48,118 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:40:48,118 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 04:40:48,118 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 04:40:48,118 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 04:40:48,118 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:40:48,118 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:40:48,118 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:40:48,261 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:40:48,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:40:48 BoogieIcfgContainer [2018-02-04 04:40:48,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:40:48,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:40:48,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:40:48,264 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:40:48,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:40:47" (1/3) ... [2018-02-04 04:40:48,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3873e429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:40:48, skipping insertion in model container [2018-02-04 04:40:48,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:40:48" (2/3) ... [2018-02-04 04:40:48,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3873e429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:40:48, skipping insertion in model container [2018-02-04 04:40:48,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:40:48" (3/3) ... [2018-02-04 04:40:48,266 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0158_1_false-valid-free.i [2018-02-04 04:40:48,271 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:40:48,275 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2018-02-04 04:40:48,307 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:40:48,307 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:40:48,308 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 04:40:48,308 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 04:40:48,308 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:40:48,308 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:40:48,308 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:40:48,308 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:40:48,309 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:40:48,318 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2018-02-04 04:40:48,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 04:40:48,326 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:40:48,326 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:40:48,327 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr18EnsuresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 04:40:48,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1472020876, 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 04:40:48,341 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:40:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:40:48,366 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:40:48,375 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:48,375 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:48,377 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:48,377 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:48,416 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 04:40:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:40:48,454 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 04:40:48,484 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:40:48,484 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 04:40:48,485 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:40:48,486 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 04:40:48,486 INFO L182 omatonBuilderFactory]: Interpolants [49#true, 50#false, 54#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 55#(= 1 (select |#valid| |main_~#data~0.base|)), 56#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:40:48,486 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 04:40:48,487 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 04:40:48,498 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 04:40:48,499 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20 [2018-02-04 04:40:48,501 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 5 states. [2018-02-04 04:40:48,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:40:48,629 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2018-02-04 04:40:48,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 04:40:48,631 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2018-02-04 04:40:48,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:40:48,639 INFO L225 Difference]: With dead ends: 39 [2018-02-04 04:40:48,640 INFO L226 Difference]: Without dead ends: 36 [2018-02-04 04:40:48,641 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=12, Unknown=2, NotChecked=6, Total=30 [2018-02-04 04:40:48,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-02-04 04:40:48,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-02-04 04:40:48,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-02-04 04:40:48,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2018-02-04 04:40:48,670 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 8 [2018-02-04 04:40:48,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:40:48,671 INFO L432 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2018-02-04 04:40:48,671 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 04:40:48,671 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2018-02-04 04:40:48,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 04:40:48,672 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:40:48,672 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:40:48,672 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr18EnsuresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 04:40:48,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1472020877, 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 04:40:48,676 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:40:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:40:48,688 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier [2018-02-04 04:40:48,690 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:48,691 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:48,691 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:48,691 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:48,692 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:48,692 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:48,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-02-04 04:40:48,704 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 04:40:48,709 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 04:40:48,709 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:9 [2018-02-04 04:40:48,714 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (exists ((%2 (Array Int Int))) (! (and (= (store |c_#valid| %1 1) (store %0 %1 1)) (= (store |c_#length| %1 10) (store %2 %1 10))) :qid itp)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:40:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:40:48,766 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 04:40:48,796 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:40:48,796 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:40:48,796 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:40:48,797 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 04:40:48,797 INFO L182 omatonBuilderFactory]: Interpolants [134#true, 135#false, 139#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (exists ((%2 (Array Int Int))) (! (and (= (store |#valid| %1 1) (store %0 %1 1)) (= (store |#length| %1 10) (store %2 %1 10))) :qid itp)) :qid itp)) :qid itp)), 140#(and (= 1 (select |#valid| |main_~#data~0.base|)) (= 0 |main_~#data~0.offset|) (= 10 (select |#length| |main_~#data~0.base|))), 141#(and (<= 0 |main_~#data~0.offset|) (<= (+ |main_~#data~0.offset| 4) (select |#length| |main_~#data~0.base|)) (= 10 (select |#length| |main_~#data~0.base|))), 142#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:40:48,797 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 04:40:48,798 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:40:48,799 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:40:48,799 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=13, Unknown=1, NotChecked=6, Total=30 [2018-02-04 04:40:48,799 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 6 states. [2018-02-04 04:40:48,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:40:48,939 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2018-02-04 04:40:48,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:40:48,940 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-02-04 04:40:48,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:40:48,940 INFO L225 Difference]: With dead ends: 29 [2018-02-04 04:40:48,940 INFO L226 Difference]: Without dead ends: 29 [2018-02-04 04:40:48,941 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=4, NotChecked=8, Total=42 [2018-02-04 04:40:48,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-02-04 04:40:48,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-02-04 04:40:48,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-02-04 04:40:48,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2018-02-04 04:40:48,945 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 8 [2018-02-04 04:40:48,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:40:48,945 INFO L432 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2018-02-04 04:40:48,945 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:40:48,945 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-02-04 04:40:48,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 04:40:48,946 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:40:48,946 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:40:48,946 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr18EnsuresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 04:40:48,946 INFO L82 PathProgramCache]: Analyzing trace with hash -151822659, 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 04:40:48,949 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:40:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:40:48,975 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier [2018-02-04 04:40:48,977 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:48,978 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:48,978 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:48,978 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:48,996 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int (Array Int Int)))) (! (forall ((%1 Int) (%2 Int)) (! (let ((.cse0 (store (select |c_#memory_$Pointer$.offset| %2) 0 0))) (= (store %0 %1 .cse0) (store |c_#memory_$Pointer$.offset| %1 .cse0))) :qid itp)) :qid itp)) is different from true [2018-02-04 04:40:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:40:49,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:40:49,096 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:40:49,096 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 04:40:49,096 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:40:49,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:40:49,097 INFO L182 omatonBuilderFactory]: Interpolants [208#(exists ((%0 (Array Int (Array Int Int)))) (! (forall ((%1 Int) (%2 Int)) (! (= (store %0 %1 (store (select |#memory_$Pointer$.offset| %2) 0 0)) (store |#memory_$Pointer$.offset| %1 (store (select |#memory_$Pointer$.offset| %2) 0 0))) :qid itp)) :qid itp)), 209#(= 0 |main_~#data~0.offset|), 210#(and (= 0 (select (store (select |#memory_$Pointer$.offset| |main_~#data~0.base|) |main_~#data~0.offset| |main_#t~malloc0.offset|) 0)) (= 0 |main_~#data~0.offset|)), 211#(and (= 0 |main_~#data~0.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) 0))), 212#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) 0)) (= (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) |main_~#data~0.offset|) (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) 0))), 213#(= 0 |main_#t~mem8.offset|), 214#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 203#true, 204#false] [2018-02-04 04:40:49,097 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 04:40:49,097 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 04:40:49,097 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 04:40:49,098 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=41, Unknown=1, NotChecked=12, Total=72 [2018-02-04 04:40:49,098 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 9 states. [2018-02-04 04:40:49,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:40:49,215 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2018-02-04 04:40:49,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 04:40:49,215 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2018-02-04 04:40:49,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:40:49,216 INFO L225 Difference]: With dead ends: 28 [2018-02-04 04:40:49,216 INFO L226 Difference]: Without dead ends: 28 [2018-02-04 04:40:49,217 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=77, Unknown=2, NotChecked=18, Total=132 [2018-02-04 04:40:49,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-02-04 04:40:49,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-02-04 04:40:49,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-02-04 04:40:49,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2018-02-04 04:40:49,219 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 16 [2018-02-04 04:40:49,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:40:49,220 INFO L432 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2018-02-04 04:40:49,220 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 04:40:49,220 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-02-04 04:40:49,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 04:40:49,220 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:40:49,220 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:40:49,221 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr18EnsuresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 04:40:49,221 INFO L82 PathProgramCache]: Analyzing trace with hash -151822658, 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 04:40:49,224 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:40:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:40:49,271 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 04:40:49,273 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:49,273 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:49,274 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:49,274 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:49,274 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:49,274 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:49,274 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:49,275 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:49,281 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int (Array Int Int)))) (! (forall ((%1 Int) (%2 Int)) (! (exists ((%3 (Array Int Int))) (! (forall ((%4 Int)) (! (= (store |c_#memory_$Pointer$.base| %1 (store (select |c_#memory_$Pointer$.base| %2) 0 %4)) (store %0 %1 (store %3 0 %4))) :qid itp)) :qid itp)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:40:49,281 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:49,282 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:49,282 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:49,282 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:49,288 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%1 (Array Int Int)) (%0 (Array Int (Array Int Int)))) (! (let ((.cse0 (= |c_main_~#data~0.offset| 0))) (and .cse0 (or (not .cse0) (= 0 |c_main_~#data~0.offset|)) (forall ((%2 Int)) (! (= (store |c_#memory_$Pointer$.base| |c_main_~#data~0.base| (store (select |c_#memory_$Pointer$.base| |c_main_~#data~0.base|) 0 %2)) (store %0 |c_main_~#data~0.base| (store %1 0 %2))) :qid itp)))) :qid itp)) is different from true [2018-02-04 04:40:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:40:49,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:40:49,344 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:40:49,344 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 04:40:49,344 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:40:49,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:40:49,344 INFO L182 omatonBuilderFactory]: Interpolants [288#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 277#true, 278#false, 282#(exists ((%0 (Array Int (Array Int Int)))) (! (forall ((%1 Int) (%2 Int)) (! (exists ((%3 (Array Int Int))) (! (forall ((%4 Int)) (! (= (store |#memory_$Pointer$.base| %1 (store (select |#memory_$Pointer$.base| %2) 0 %4)) (store %0 %1 (store %3 0 %4))) :qid itp)) :qid itp)) :qid itp)) :qid itp)), 283#(exists ((%1 (Array Int Int)) (%0 (Array Int (Array Int Int)))) (! (and (= |main_~#data~0.offset| 0) (or (not (= |main_~#data~0.offset| 0)) (= 0 |main_~#data~0.offset|)) (forall ((%2 Int)) (! (= (store |#memory_$Pointer$.base| |main_~#data~0.base| (store (select |#memory_$Pointer$.base| |main_~#data~0.base|) 0 %2)) (store %0 |main_~#data~0.base| (store %1 0 %2))) :qid itp))) :qid itp)), 284#(and (= 0 |main_~#data~0.offset|) (= 1 (select |#valid| |main_#t~malloc0.base|))), 285#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) 0))) (= 0 |main_~#data~0.offset|)), 286#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) 0))) (= (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) |main_~#data~0.offset|) (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) 0))), 287#(= 1 (select |#valid| |main_#t~mem8.base|))] [2018-02-04 04:40:49,344 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 04:40:49,345 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 04:40:49,345 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 04:40:49,345 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=32, Unknown=2, NotChecked=22, Total=72 [2018-02-04 04:40:49,345 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 9 states. [2018-02-04 04:40:49,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:40:49,483 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2018-02-04 04:40:49,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 04:40:49,483 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2018-02-04 04:40:49,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:40:49,484 INFO L225 Difference]: With dead ends: 27 [2018-02-04 04:40:49,484 INFO L226 Difference]: Without dead ends: 27 [2018-02-04 04:40:49,484 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=63, Unknown=4, NotChecked=34, Total=132 [2018-02-04 04:40:49,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-02-04 04:40:49,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-02-04 04:40:49,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-02-04 04:40:49,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2018-02-04 04:40:49,487 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 16 [2018-02-04 04:40:49,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:40:49,487 INFO L432 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2018-02-04 04:40:49,487 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 04:40:49,487 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-02-04 04:40:49,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 04:40:49,488 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:40:49,488 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:40:49,488 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr18EnsuresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 04:40:49,488 INFO L82 PathProgramCache]: Analyzing trace with hash 127313054, 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 04:40:49,493 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:40:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:40:49,507 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier [2018-02-04 04:40:49,509 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:49,510 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:49,510 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:49,510 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:49,511 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:49,511 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:40:49,518 WARN L1033 $PredicateComparison]: unable to prove that (forall ((%0 Int)) (! (exists ((%1 (Array Int Int)) (%2 (Array Int (Array Int Int)))) (! (and (= %1 (select |c_#memory_$Pointer$.offset| %0)) (forall ((%3 Int)) (! (let ((.cse0 (store %1 0 0))) (= (store |c_#memory_$Pointer$.offset| %3 .cse0) (store %2 %3 .cse0))) :qid itp))) :qid itp)) :qid itp)) is different from true [2018-02-04 04:40:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:40:49,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:40:49,594 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:40:49,594 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 04:40:49,594 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:40:49,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:40:49,594 INFO L182 omatonBuilderFactory]: Interpolants [354#(forall ((%0 Int)) (! (exists ((%1 (Array Int Int)) (%2 (Array Int (Array Int Int)))) (! (and (= %1 (select |#memory_$Pointer$.offset| %0)) (forall ((%3 Int)) (! (= (store |#memory_$Pointer$.offset| %3 (store %1 0 0)) (store %2 %3 (store %1 0 0))) :qid itp))) :qid itp)) :qid itp)), 355#(= 0 |main_~#data~0.offset|), 356#(and (= 0 (select (store (select |#memory_$Pointer$.offset| |main_~#data~0.base|) |main_~#data~0.offset| |main_#t~malloc0.offset|) 0)) (= 0 |main_~#data~0.offset|)), 357#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) 0)) (= (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) |main_~#data~0.offset|) (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) 0))), 358#(= 0 |main_#t~mem2.offset|), 359#(= 0 main_~ptr~0.offset), 360#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 349#true, 350#false] [2018-02-04 04:40:49,595 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 04:40:49,595 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 04:40:49,595 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 04:40:49,595 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=43, Unknown=1, NotChecked=12, Total=72 [2018-02-04 04:40:49,595 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 9 states. [2018-02-04 04:40:49,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:40:49,730 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2018-02-04 04:40:49,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-04 04:40:49,731 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2018-02-04 04:40:49,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:40:49,732 INFO L225 Difference]: With dead ends: 26 [2018-02-04 04:40:49,732 INFO L226 Difference]: Without dead ends: 26 [2018-02-04 04:40:49,732 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=96, Unknown=2, NotChecked=20, Total=156 [2018-02-04 04:40:49,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-02-04 04:40:49,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-02-04 04:40:49,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-02-04 04:40:49,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2018-02-04 04:40:49,735 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 18 [2018-02-04 04:40:49,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:40:49,735 INFO L432 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2018-02-04 04:40:49,735 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 04:40:49,736 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2018-02-04 04:40:49,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 04:40:49,736 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:40:49,736 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:40:49,736 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr18EnsuresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-02-04 04:40:49,736 INFO L82 PathProgramCache]: Analyzing trace with hash 127313055, 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 04:40:49,742 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:40:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-02-04 04:40:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-02-04 04:40:49,801 INFO L410 BasicCegarLoop]: Counterexample might be feasible [2018-02-04 04:40:49,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.02 04:40:49 BoogieIcfgContainer [2018-02-04 04:40:49,815 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-04 04:40:49,815 INFO L168 Benchmark]: Toolchain (without parser) took 1927.57 ms. Allocated memory was 403.7 MB in the beginning and 609.2 MB in the end (delta: 205.5 MB). Free memory was 357.5 MB in the beginning and 456.2 MB in the end (delta: -98.7 MB). Peak memory consumption was 106.8 MB. Max. memory is 5.3 GB. [2018-02-04 04:40:49,816 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 403.7 MB. Free memory is still 362.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:40:49,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.71 ms. Allocated memory is still 403.7 MB. Free memory was 357.5 MB in the beginning and 347.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:40:49,817 INFO L168 Benchmark]: Boogie Preprocessor took 27.62 ms. Allocated memory is still 403.7 MB. Free memory was 347.0 MB in the beginning and 344.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:40:49,817 INFO L168 Benchmark]: RCFGBuilder took 187.68 ms. Allocated memory is still 403.7 MB. Free memory was 344.3 MB in the beginning and 324.5 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 5.3 GB. [2018-02-04 04:40:49,817 INFO L168 Benchmark]: TraceAbstraction took 1552.94 ms. Allocated memory was 403.7 MB in the beginning and 609.2 MB in the end (delta: 205.5 MB). Free memory was 324.5 MB in the beginning and 456.2 MB in the end (delta: -131.7 MB). Peak memory consumption was 73.8 MB. Max. memory is 5.3 GB. [2018-02-04 04:40:49,819 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 403.7 MB. Free memory is still 362.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 156.71 ms. Allocated memory is still 403.7 MB. Free memory was 357.5 MB in the beginning and 347.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 27.62 ms. Allocated memory is still 403.7 MB. Free memory was 347.0 MB in the beginning and 344.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 187.68 ms. Allocated memory is still 403.7 MB. Free memory was 344.3 MB in the beginning and 324.5 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1552.94 ms. Allocated memory was 403.7 MB in the beginning and 609.2 MB in the end (delta: 205.5 MB). Free memory was 324.5 MB in the beginning and 456.2 MB in the end (delta: -131.7 MB). Peak memory consumption was 73.8 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L622-L629] FCALL union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; VAL [data={21:0}] [L630] EXPR, FCALL malloc(37U) VAL [data={21:0}, malloc(37U)={19:0}] [L630] FCALL data.p0 = malloc(37U) VAL [data={21:0}, malloc(37U)={19:0}] [L631] EXPR, FCALL data.p0 VAL [data={21:0}, data.p0={19:0}, malloc(37U)={19:0}] [L631] void *ptr = data.p0; [L632] COND FALSE !(__VERIFIER_nondet_int()) [L635] FCALL data.str.p2 = 30 VAL [data={21:0}, malloc(37U)={19:0}, ptr={19:0}] [L637] EXPR, FCALL data.str.p2 VAL [data={21:0}, data.str.p2=30, malloc(37U)={19:0}, ptr={19:0}] [L637] COND FALSE !(25 > data.str.p2) [L640] EXPR, FCALL data.p0 VAL [data={21:0}, data.p0={19:0}, malloc(37U)={19:0}, ptr={19:0}] [L640] FCALL free(data.p0) VAL [data={21:0}, data.p0={19:0}, malloc(37U)={19:0}, ptr={19:0}] [L641] FCALL free(ptr) VAL [data={21:0}, malloc(37U)={19:0}, ptr={19:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 46 locations, 19 error locations. UNSAFE Result, 1.5s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 89 SDtfs, 157 SDslu, 123 SDs, 0 SdLazy, 283 SolverSat, 55 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred 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, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 61 ConstructedInterpolants, 6 QuantifiedInterpolants, 7834 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_1_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-40-49-825.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_1_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-04_04-40-49-825.csv Received shutdown request...