java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --traceabstraction.dump.automata.to.the.following.directory dump --rcfgbuilder.size.of.a.code.block SingleStatement --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-memsafety/array01-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c5b1954-m [2018-10-10 14:41:28,365 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 14:41:28,367 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 14:41:28,391 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 14:41:28,391 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 14:41:28,392 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 14:41:28,394 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 14:41:28,398 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 14:41:28,400 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 14:41:28,400 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 14:41:28,401 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 14:41:28,405 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 14:41:28,406 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 14:41:28,407 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 14:41:28,409 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 14:41:28,409 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 14:41:28,411 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 14:41:28,414 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 14:41:28,419 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 14:41:28,422 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 14:41:28,426 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 14:41:28,427 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 14:41:28,431 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-10 14:41:28,447 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-10-10 14:41:28,479 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 14:41:28,480 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 14:41:28,482 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-10 14:41:28,482 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-10 14:41:28,482 INFO L133 SettingsManager]: * Use SBE=true [2018-10-10 14:41:28,482 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-10 14:41:28,482 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-10 14:41:28,484 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-10 14:41:28,484 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-10 14:41:28,484 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-10 14:41:28,484 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-10 14:41:28,484 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-10 14:41:28,485 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-10 14:41:28,485 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-10 14:41:28,485 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-10 14:41:28,485 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-10 14:41:28,485 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 14:41:28,486 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-10 14:41:28,486 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-10 14:41:28,486 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-10 14:41:28,486 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-10 14:41:28,486 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 14:41:28,487 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-10 14:41:28,487 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-10 14:41:28,487 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-10 14:41:28,487 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Dump automata to the following directory -> dump Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-10-10 14:41:28,554 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 14:41:28,567 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 14:41:28,571 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 14:41:28,572 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-10 14:41:28,573 INFO L276 PluginConnector]: CDTParser initialized [2018-10-10 14:41:28,573 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/array01-alloca_true-valid-memsafety_true-termination.i [2018-10-10 14:41:28,852 INFO L217 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24bf64d5c/d807e7b7fc084a82b9bb2c44f2ef6670/FLAG171bb6c6d [2018-10-10 14:41:29,189 INFO L289 CDTParser]: Found 1 translation units. [2018-10-10 14:41:29,190 INFO L157 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-memsafety/array01-alloca_true-valid-memsafety_true-termination.i [2018-10-10 14:41:29,209 INFO L337 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24bf64d5c/d807e7b7fc084a82b9bb2c44f2ef6670/FLAG171bb6c6d [2018-10-10 14:41:29,233 INFO L345 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24bf64d5c/d807e7b7fc084a82b9bb2c44f2ef6670 [2018-10-10 14:41:29,248 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 14:41:29,249 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-10 14:41:29,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-10 14:41:29,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-10 14:41:29,254 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-10 14:41:29,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 02:41:29" (1/1) ... [2018-10-10 14:41:29,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71dfa474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:29, skipping insertion in model container [2018-10-10 14:41:29,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 02:41:29" (1/1) ... [2018-10-10 14:41:29,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-10 14:41:29,324 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-10 14:41:29,620 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 14:41:29,636 INFO L189 MainTranslator]: Completed pre-run [2018-10-10 14:41:29,733 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 14:41:29,814 INFO L193 MainTranslator]: Completed translation [2018-10-10 14:41:29,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:29 WrapperNode [2018-10-10 14:41:29,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-10 14:41:29,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-10 14:41:29,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-10 14:41:29,816 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-10 14:41:29,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:29" (1/1) ... [2018-10-10 14:41:29,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:29" (1/1) ... [2018-10-10 14:41:29,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-10 14:41:29,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 14:41:29,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 14:41:29,879 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 14:41:29,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:29" (1/1) ... [2018-10-10 14:41:29,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:29" (1/1) ... [2018-10-10 14:41:29,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:29" (1/1) ... [2018-10-10 14:41:29,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:29" (1/1) ... [2018-10-10 14:41:29,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:29" (1/1) ... [2018-10-10 14:41:29,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:29" (1/1) ... [2018-10-10 14:41:29,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:29" (1/1) ... [2018-10-10 14:41:29,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 14:41:29,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 14:41:29,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 14:41:29,908 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 14:41:29,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:29" (1/1) ... No working directory specified, using /storage/repos/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 [2018-10-10 14:41:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 14:41:30,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 14:41:30,755 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 14:41:30,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:41:30 BoogieIcfgContainer [2018-10-10 14:41:30,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 14:41:30,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 14:41:30,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 14:41:30,761 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 14:41:30,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 02:41:29" (1/3) ... [2018-10-10 14:41:30,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304275d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 02:41:30, skipping insertion in model container [2018-10-10 14:41:30,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:29" (2/3) ... [2018-10-10 14:41:30,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304275d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 02:41:30, skipping insertion in model container [2018-10-10 14:41:30,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:41:30" (3/3) ... [2018-10-10 14:41:30,766 INFO L112 eAbstractionObserver]: Analyzing ICFG array01-alloca_true-valid-memsafety_true-termination.i [2018-10-10 14:41:30,778 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-10 14:41:30,791 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-10-10 14:41:30,813 INFO L257 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2018-10-10 14:41:30,854 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 14:41:30,858 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 14:41:30,858 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 14:41:30,858 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-10 14:41:30,858 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 14:41:30,859 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 14:41:30,859 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 14:41:30,859 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 14:41:30,859 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 14:41:30,893 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2018-10-10 14:41:30,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-10 14:41:30,911 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:41:30,913 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:41:30,916 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:41:30,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:41:30,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1608251744, now seen corresponding path program 1 times [2018-10-10 14:41:30,929 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:41:30,930 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:41:30,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:30,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:30,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:41:31,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:41:31,313 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:41:31,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-10 14:41:31,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 14:41:31,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 14:41:31,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-10 14:41:31,338 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 8 states. [2018-10-10 14:41:31,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:41:31,903 INFO L93 Difference]: Finished difference Result 117 states and 120 transitions. [2018-10-10 14:41:31,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 14:41:31,905 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2018-10-10 14:41:31,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:41:31,916 INFO L225 Difference]: With dead ends: 117 [2018-10-10 14:41:31,917 INFO L226 Difference]: Without dead ends: 112 [2018-10-10 14:41:31,919 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-10-10 14:41:31,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-10-10 14:41:31,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 98. [2018-10-10 14:41:31,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-10-10 14:41:31,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 100 transitions. [2018-10-10 14:41:31,962 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 100 transitions. Word has length 40 [2018-10-10 14:41:31,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:41:31,963 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 100 transitions. [2018-10-10 14:41:31,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 14:41:31,964 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 100 transitions. [2018-10-10 14:41:31,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-10 14:41:31,965 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:41:31,965 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:41:31,966 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:41:31,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:41:31,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1683803578, now seen corresponding path program 1 times [2018-10-10 14:41:31,967 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:41:31,967 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:41:31,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:31,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:31,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:41:32,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:41:32,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:41:32,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-10-10 14:41:32,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-10 14:41:32,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-10 14:41:32,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2018-10-10 14:41:32,740 INFO L87 Difference]: Start difference. First operand 98 states and 100 transitions. Second operand 13 states. [2018-10-10 14:41:34,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:41:34,136 INFO L93 Difference]: Finished difference Result 161 states and 164 transitions. [2018-10-10 14:41:34,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-10 14:41:34,145 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 41 [2018-10-10 14:41:34,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:41:34,147 INFO L225 Difference]: With dead ends: 161 [2018-10-10 14:41:34,149 INFO L226 Difference]: Without dead ends: 161 [2018-10-10 14:41:34,151 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=187, Invalid=413, Unknown=0, NotChecked=0, Total=600 [2018-10-10 14:41:34,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-10-10 14:41:34,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 139. [2018-10-10 14:41:34,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-10-10 14:41:34,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 145 transitions. [2018-10-10 14:41:34,166 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 145 transitions. Word has length 41 [2018-10-10 14:41:34,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:41:34,166 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 145 transitions. [2018-10-10 14:41:34,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-10 14:41:34,167 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 145 transitions. [2018-10-10 14:41:34,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-10 14:41:34,168 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:41:34,169 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:41:34,169 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:41:34,169 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:41:34,170 INFO L82 PathProgramCache]: Analyzing trace with hash 149207325, now seen corresponding path program 1 times [2018-10-10 14:41:34,170 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:41:34,170 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:41:34,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:34,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:34,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:41:34,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:41:34,298 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:41:34,299 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-10 14:41:34,299 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 14:41:34,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 14:41:34,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-10 14:41:34,300 INFO L87 Difference]: Start difference. First operand 139 states and 145 transitions. Second operand 6 states. [2018-10-10 14:41:34,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:41:34,395 INFO L93 Difference]: Finished difference Result 144 states and 147 transitions. [2018-10-10 14:41:34,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-10 14:41:34,396 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-10-10 14:41:34,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:41:34,398 INFO L225 Difference]: With dead ends: 144 [2018-10-10 14:41:34,398 INFO L226 Difference]: Without dead ends: 144 [2018-10-10 14:41:34,399 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:41:34,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-10-10 14:41:34,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 139. [2018-10-10 14:41:34,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-10-10 14:41:34,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 144 transitions. [2018-10-10 14:41:34,411 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 144 transitions. Word has length 49 [2018-10-10 14:41:34,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:41:34,411 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 144 transitions. [2018-10-10 14:41:34,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 14:41:34,412 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 144 transitions. [2018-10-10 14:41:34,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-10 14:41:34,413 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:41:34,414 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:41:34,414 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:41:34,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:41:34,415 INFO L82 PathProgramCache]: Analyzing trace with hash 2078780229, now seen corresponding path program 1 times [2018-10-10 14:41:34,415 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:41:34,415 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:41:34,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:34,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:34,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:41:35,046 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:41:35,046 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-10 14:41:35,047 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-10 14:41:35,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:41:35,103 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:41:35,162 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 6 treesize of output 5 [2018-10-10 14:41:35,164 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:41:35,207 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:41:35,207 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:11 [2018-10-10 14:41:35,579 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:41:35,614 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-10 14:41:35,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 17 [2018-10-10 14:41:35,653 WARN L240 PathProgramDumper]: Writing path program to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/dump/array01-alloca_true-valid-memsafety_true-termination.i_4.bpl [2018-10-10 14:41:35,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-10 14:41:35,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-10 14:41:35,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2018-10-10 14:41:35,659 INFO L87 Difference]: Start difference. First operand 139 states and 144 transitions. Second operand 18 states. [2018-10-10 14:41:37,487 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-10-10 14:41:37,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:41:37,656 INFO L93 Difference]: Finished difference Result 162 states and 165 transitions. [2018-10-10 14:41:37,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-10 14:41:37,658 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 59 [2018-10-10 14:41:37,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:41:37,661 INFO L225 Difference]: With dead ends: 162 [2018-10-10 14:41:37,661 INFO L226 Difference]: Without dead ends: 162 [2018-10-10 14:41:37,662 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 51 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=334, Invalid=856, Unknown=0, NotChecked=0, Total=1190 [2018-10-10 14:41:37,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-10-10 14:41:37,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 98. [2018-10-10 14:41:37,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-10-10 14:41:37,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 100 transitions. [2018-10-10 14:41:37,670 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 100 transitions. Word has length 59 [2018-10-10 14:41:37,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:41:37,671 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 100 transitions. [2018-10-10 14:41:37,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-10 14:41:37,671 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 100 transitions. [2018-10-10 14:41:37,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-10 14:41:37,673 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:41:37,674 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:41:37,674 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:41:37,674 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:41:37,675 INFO L82 PathProgramCache]: Analyzing trace with hash 670836915, now seen corresponding path program 1 times [2018-10-10 14:41:37,675 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:41:37,675 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:41:37,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:37,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:37,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:41:37,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:41:37,780 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:41:37,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-10 14:41:37,781 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 14:41:37,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 14:41:37,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-10 14:41:37,783 INFO L87 Difference]: Start difference. First operand 98 states and 100 transitions. Second operand 8 states. [2018-10-10 14:41:38,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:41:38,205 INFO L93 Difference]: Finished difference Result 139 states and 143 transitions. [2018-10-10 14:41:38,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 14:41:38,206 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2018-10-10 14:41:38,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:41:38,208 INFO L225 Difference]: With dead ends: 139 [2018-10-10 14:41:38,209 INFO L226 Difference]: Without dead ends: 139 [2018-10-10 14:41:38,210 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-10-10 14:41:38,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-10-10 14:41:38,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 97. [2018-10-10 14:41:38,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-10-10 14:41:38,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 99 transitions. [2018-10-10 14:41:38,217 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 99 transitions. Word has length 64 [2018-10-10 14:41:38,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:41:38,218 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 99 transitions. [2018-10-10 14:41:38,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 14:41:38,218 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 99 transitions. [2018-10-10 14:41:38,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-10 14:41:38,220 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:41:38,220 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:41:38,221 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:41:38,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:41:38,221 INFO L82 PathProgramCache]: Analyzing trace with hash -678891992, now seen corresponding path program 1 times [2018-10-10 14:41:38,221 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:41:38,222 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:41:38,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:38,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:38,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:41:38,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:41:38,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:41:38,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-10-10 14:41:38,586 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-10 14:41:38,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-10 14:41:38,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-10-10 14:41:38,587 INFO L87 Difference]: Start difference. First operand 97 states and 99 transitions. Second operand 12 states. [2018-10-10 14:41:39,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:41:39,288 INFO L93 Difference]: Finished difference Result 216 states and 221 transitions. [2018-10-10 14:41:39,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-10 14:41:39,289 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 65 [2018-10-10 14:41:39,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:41:39,291 INFO L225 Difference]: With dead ends: 216 [2018-10-10 14:41:39,291 INFO L226 Difference]: Without dead ends: 216 [2018-10-10 14:41:39,292 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=182, Invalid=370, Unknown=0, NotChecked=0, Total=552 [2018-10-10 14:41:39,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2018-10-10 14:41:39,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 136. [2018-10-10 14:41:39,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-10-10 14:41:39,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 139 transitions. [2018-10-10 14:41:39,301 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 139 transitions. Word has length 65 [2018-10-10 14:41:39,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:41:39,301 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 139 transitions. [2018-10-10 14:41:39,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-10 14:41:39,302 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 139 transitions. [2018-10-10 14:41:39,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-10 14:41:39,304 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:41:39,304 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:41:39,305 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:41:39,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:41:39,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1955931224, now seen corresponding path program 1 times [2018-10-10 14:41:39,305 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:41:39,305 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:41:39,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:39,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:39,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:41:39,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-10 14:41:39,580 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:41:39,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-10 14:41:39,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-10 14:41:39,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-10 14:41:39,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:41:39,582 INFO L87 Difference]: Start difference. First operand 136 states and 139 transitions. Second operand 9 states. [2018-10-10 14:41:39,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:41:39,836 INFO L93 Difference]: Finished difference Result 135 states and 138 transitions. [2018-10-10 14:41:39,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-10 14:41:39,837 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 67 [2018-10-10 14:41:39,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:41:39,838 INFO L225 Difference]: With dead ends: 135 [2018-10-10 14:41:39,838 INFO L226 Difference]: Without dead ends: 122 [2018-10-10 14:41:39,839 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2018-10-10 14:41:39,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-10-10 14:41:39,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-10-10 14:41:39,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-10-10 14:41:39,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 125 transitions. [2018-10-10 14:41:39,844 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 125 transitions. Word has length 67 [2018-10-10 14:41:39,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:41:39,845 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 125 transitions. [2018-10-10 14:41:39,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-10 14:41:39,845 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 125 transitions. [2018-10-10 14:41:39,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-10 14:41:39,847 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:41:39,847 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:41:39,848 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:41:39,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:41:39,848 INFO L82 PathProgramCache]: Analyzing trace with hash -372860237, now seen corresponding path program 1 times [2018-10-10 14:41:39,848 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:41:39,848 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:41:39,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:39,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:39,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:41:40,344 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:41:40,344 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-10 14:41:40,344 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-10 14:41:40,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:41:40,394 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:41:40,401 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 6 treesize of output 5 [2018-10-10 14:41:40,402 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:41:40,411 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:41:40,412 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:11 [2018-10-10 14:41:40,608 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:41:40,629 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-10 14:41:40,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 17 [2018-10-10 14:41:40,649 WARN L240 PathProgramDumper]: Writing path program to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/dump/array01-alloca_true-valid-memsafety_true-termination.i_8.bpl [2018-10-10 14:41:40,650 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-10 14:41:40,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-10 14:41:40,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2018-10-10 14:41:40,651 INFO L87 Difference]: Start difference. First operand 122 states and 125 transitions. Second operand 18 states. [2018-10-10 14:41:41,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:41:41,852 INFO L93 Difference]: Finished difference Result 158 states and 162 transitions. [2018-10-10 14:41:41,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-10 14:41:41,853 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 83 [2018-10-10 14:41:41,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:41:41,853 INFO L225 Difference]: With dead ends: 158 [2018-10-10 14:41:41,854 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 14:41:41,855 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 75 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=343, Invalid=847, Unknown=0, NotChecked=0, Total=1190 [2018-10-10 14:41:41,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 14:41:41,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 14:41:41,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 14:41:41,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 14:41:41,857 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2018-10-10 14:41:41,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:41:41,857 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 14:41:41,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-10 14:41:41,857 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 14:41:41,858 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 14:41:41,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 02:41:41 BoogieIcfgContainer [2018-10-10 14:41:41,863 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 14:41:41,864 INFO L168 Benchmark]: Toolchain (without parser) took 12615.53 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 856.7 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -607.8 MB). Peak memory consumption was 248.9 MB. Max. memory is 7.1 GB. [2018-10-10 14:41:41,865 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 14:41:41,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.09 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2018-10-10 14:41:41,866 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.42 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 14:41:41,867 INFO L168 Benchmark]: Boogie Preprocessor took 29.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 14:41:41,867 INFO L168 Benchmark]: RCFGBuilder took 848.34 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 708.3 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -749.3 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2018-10-10 14:41:41,868 INFO L168 Benchmark]: TraceAbstraction took 11105.54 ms. Allocated memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: 148.4 MB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 117.7 MB). Peak memory consumption was 266.1 MB. Max. memory is 7.1 GB. [2018-10-10 14:41:41,873 INFO L336 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 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 565.09 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 62.42 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 848.34 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 708.3 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -749.3 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11105.54 ms. Allocated memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: 148.4 MB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 117.7 MB). Peak memory consumption was 266.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 7 error locations. SAFE Result, 11.0s OverallTime, 8 OverallIterations, 2 TraceHistogramMax, 6.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 815 SDtfs, 5688 SDslu, 2429 SDs, 0 SdLazy, 1215 SolverSat, 94 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 299 GetRequests, 134 SyntacticMatches, 10 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=2, 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, 8 MinimizatonAttempts, 227 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 610 NumberOfCodeBlocks, 610 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 600 ConstructedInterpolants, 4 QuantifiedInterpolants, 309408 SizeOfPredicates, 36 NumberOfNonLiveVariables, 263 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 6/44 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...