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/stroeder2-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c5b1954-m [2018-10-10 14:42:42,887 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 14:42:42,889 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 14:42:42,909 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 14:42:42,909 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 14:42:42,910 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 14:42:42,912 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 14:42:42,914 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 14:42:42,915 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 14:42:42,916 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 14:42:42,917 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 14:42:42,917 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 14:42:42,918 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 14:42:42,919 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 14:42:42,920 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 14:42:42,921 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 14:42:42,925 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 14:42:42,927 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 14:42:42,933 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 14:42:42,937 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 14:42:42,938 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 14:42:42,939 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 14:42:42,943 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-10 14:42:42,956 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 14:42:42,987 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 14:42:42,987 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 14:42:42,988 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-10 14:42:42,988 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-10 14:42:42,989 INFO L133 SettingsManager]: * Use SBE=true [2018-10-10 14:42:42,989 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-10 14:42:42,989 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-10 14:42:42,989 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-10 14:42:42,989 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-10 14:42:42,990 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-10 14:42:42,990 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-10 14:42:42,990 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-10 14:42:42,990 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-10 14:42:42,990 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-10 14:42:42,991 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-10 14:42:42,991 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-10 14:42:42,991 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 14:42:42,991 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-10 14:42:42,991 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-10 14:42:42,992 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-10 14:42:42,992 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-10 14:42:42,992 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 14:42:42,992 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-10 14:42:42,993 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-10 14:42:42,993 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-10 14:42:42,993 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 14:42:43,060 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 14:42:43,078 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 14:42:43,083 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 14:42:43,085 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-10 14:42:43,085 INFO L276 PluginConnector]: CDTParser initialized [2018-10-10 14:42:43,086 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/stroeder2-alloca_true-valid-memsafety_true-termination.i [2018-10-10 14:42:43,403 INFO L217 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7136d114d/b6d845e3a7df4e2696c6260f35d9bddb/FLAG43ba1ec10 [2018-10-10 14:42:43,664 INFO L289 CDTParser]: Found 1 translation units. [2018-10-10 14:42:43,664 INFO L157 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-memsafety/stroeder2-alloca_true-valid-memsafety_true-termination.i [2018-10-10 14:42:43,677 INFO L337 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7136d114d/b6d845e3a7df4e2696c6260f35d9bddb/FLAG43ba1ec10 [2018-10-10 14:42:43,692 INFO L345 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7136d114d/b6d845e3a7df4e2696c6260f35d9bddb [2018-10-10 14:42:43,701 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 14:42:43,703 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-10 14:42:43,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-10 14:42:43,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-10 14:42:43,707 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-10 14:42:43,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 02:42:43" (1/1) ... [2018-10-10 14:42:43,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd9b40c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:43, skipping insertion in model container [2018-10-10 14:42:43,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 02:42:43" (1/1) ... [2018-10-10 14:42:43,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-10 14:42:43,781 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-10 14:42:44,065 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 14:42:44,089 INFO L189 MainTranslator]: Completed pre-run [2018-10-10 14:42:44,185 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 14:42:44,248 INFO L193 MainTranslator]: Completed translation [2018-10-10 14:42:44,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:44 WrapperNode [2018-10-10 14:42:44,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-10 14:42:44,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-10 14:42:44,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-10 14:42:44,250 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-10 14:42:44,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:44" (1/1) ... [2018-10-10 14:42:44,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:44" (1/1) ... [2018-10-10 14:42:44,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-10 14:42:44,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 14:42:44,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 14:42:44,304 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 14:42:44,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:44" (1/1) ... [2018-10-10 14:42:44,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:44" (1/1) ... [2018-10-10 14:42:44,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:44" (1/1) ... [2018-10-10 14:42:44,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:44" (1/1) ... [2018-10-10 14:42:44,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:44" (1/1) ... [2018-10-10 14:42:44,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:44" (1/1) ... [2018-10-10 14:42:44,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:44" (1/1) ... [2018-10-10 14:42:44,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 14:42:44,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 14:42:44,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 14:42:44,334 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 14:42:44,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:44" (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 14:42:44,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 14:42:44,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 14:42:45,217 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 14:42:45,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:42:45 BoogieIcfgContainer [2018-10-10 14:42:45,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 14:42:45,219 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 14:42:45,219 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 14:42:45,224 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 14:42:45,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 02:42:43" (1/3) ... [2018-10-10 14:42:45,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be1fde5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 02:42:45, skipping insertion in model container [2018-10-10 14:42:45,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:44" (2/3) ... [2018-10-10 14:42:45,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be1fde5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 02:42:45, skipping insertion in model container [2018-10-10 14:42:45,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:42:45" (3/3) ... [2018-10-10 14:42:45,229 INFO L112 eAbstractionObserver]: Analyzing ICFG stroeder2-alloca_true-valid-memsafety_true-termination.i [2018-10-10 14:42:45,240 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-10 14:42:45,251 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-10-10 14:42:45,269 INFO L257 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2018-10-10 14:42:45,299 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 14:42:45,299 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 14:42:45,300 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 14:42:45,300 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-10 14:42:45,300 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 14:42:45,300 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 14:42:45,300 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 14:42:45,301 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 14:42:45,301 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 14:42:45,322 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2018-10-10 14:42:45,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-10 14:42:45,332 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:42:45,333 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] [2018-10-10 14:42:45,336 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:42:45,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:42:45,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1357758270, now seen corresponding path program 1 times [2018-10-10 14:42:45,344 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:42:45,345 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:42:45,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:42:45,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:42:45,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:42:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:42:45,770 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 14:42:45,773 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:42:45,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-10 14:42:45,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-10 14:42:45,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-10 14:42:45,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:42:45,798 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 9 states. [2018-10-10 14:42:46,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:42:46,763 INFO L93 Difference]: Finished difference Result 125 states and 128 transitions. [2018-10-10 14:42:46,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-10 14:42:46,765 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 44 [2018-10-10 14:42:46,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:42:46,776 INFO L225 Difference]: With dead ends: 125 [2018-10-10 14:42:46,777 INFO L226 Difference]: Without dead ends: 120 [2018-10-10 14:42:46,778 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2018-10-10 14:42:46,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-10-10 14:42:46,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 103. [2018-10-10 14:42:46,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-10-10 14:42:46,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 105 transitions. [2018-10-10 14:42:46,825 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 105 transitions. Word has length 44 [2018-10-10 14:42:46,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:42:46,826 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 105 transitions. [2018-10-10 14:42:46,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-10 14:42:46,826 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 105 transitions. [2018-10-10 14:42:46,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-10 14:42:46,828 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:42:46,828 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] [2018-10-10 14:42:46,829 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:42:46,829 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:42:46,829 INFO L82 PathProgramCache]: Analyzing trace with hash 859166684, now seen corresponding path program 1 times [2018-10-10 14:42:46,829 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:42:46,830 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:42:46,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:42:46,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:42:46,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:42:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:42:47,252 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 14:42:47,253 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:42:47,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-10-10 14:42:47,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-10 14:42:47,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-10 14:42:47,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2018-10-10 14:42:47,256 INFO L87 Difference]: Start difference. First operand 103 states and 105 transitions. Second operand 14 states. [2018-10-10 14:42:48,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:42:48,725 INFO L93 Difference]: Finished difference Result 192 states and 195 transitions. [2018-10-10 14:42:48,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-10-10 14:42:48,731 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 45 [2018-10-10 14:42:48,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:42:48,734 INFO L225 Difference]: With dead ends: 192 [2018-10-10 14:42:48,734 INFO L226 Difference]: Without dead ends: 192 [2018-10-10 14:42:48,736 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=271, Invalid=599, Unknown=0, NotChecked=0, Total=870 [2018-10-10 14:42:48,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2018-10-10 14:42:48,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 146. [2018-10-10 14:42:48,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-10-10 14:42:48,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 152 transitions. [2018-10-10 14:42:48,753 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 152 transitions. Word has length 45 [2018-10-10 14:42:48,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:42:48,753 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 152 transitions. [2018-10-10 14:42:48,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-10 14:42:48,754 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 152 transitions. [2018-10-10 14:42:48,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-10 14:42:48,756 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:42:48,756 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] [2018-10-10 14:42:48,756 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:42:48,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:42:48,757 INFO L82 PathProgramCache]: Analyzing trace with hash 574604229, now seen corresponding path program 1 times [2018-10-10 14:42:48,757 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:42:48,757 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:42:48,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:42:48,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:42:48,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:42:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:42:48,865 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 14:42:48,866 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:42:48,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-10 14:42:48,866 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 14:42:48,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 14:42:48,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-10 14:42:48,867 INFO L87 Difference]: Start difference. First operand 146 states and 152 transitions. Second operand 6 states. [2018-10-10 14:42:48,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:42:48,995 INFO L93 Difference]: Finished difference Result 151 states and 154 transitions. [2018-10-10 14:42:48,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-10 14:42:48,996 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2018-10-10 14:42:48,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:42:48,998 INFO L225 Difference]: With dead ends: 151 [2018-10-10 14:42:48,998 INFO L226 Difference]: Without dead ends: 151 [2018-10-10 14:42:48,998 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:42:48,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-10-10 14:42:49,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 146. [2018-10-10 14:42:49,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-10-10 14:42:49,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 151 transitions. [2018-10-10 14:42:49,009 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 151 transitions. Word has length 52 [2018-10-10 14:42:49,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:42:49,010 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 151 transitions. [2018-10-10 14:42:49,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 14:42:49,010 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 151 transitions. [2018-10-10 14:42:49,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-10 14:42:49,012 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:42:49,012 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-10 14:42:49,013 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:42:49,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:42:49,014 INFO L82 PathProgramCache]: Analyzing trace with hash 197909702, now seen corresponding path program 1 times [2018-10-10 14:42:49,014 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:42:49,014 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:42:49,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:42:49,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:42:49,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:42:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:42:49,516 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:42:49,517 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-10 14:42:49,517 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 14:42:49,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:42:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:42:49,571 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:42:49,622 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 14:42:49,624 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:42:49,638 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 14:42:49,638 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:11 [2018-10-10 14:42:50,312 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:42:50,343 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-10 14:42:50,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 21 [2018-10-10 14:42:50,386 WARN L240 PathProgramDumper]: Writing path program to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/dump/stroeder2-alloca_true-valid-memsafety_true-termination.i_4.bpl [2018-10-10 14:42:50,390 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-10-10 14:42:50,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-10-10 14:42:50,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2018-10-10 14:42:50,391 INFO L87 Difference]: Start difference. First operand 146 states and 151 transitions. Second operand 22 states. [2018-10-10 14:42:52,214 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2018-10-10 14:42:52,556 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2018-10-10 14:42:52,779 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2018-10-10 14:42:52,909 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2018-10-10 14:42:53,114 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2018-10-10 14:42:53,525 WARN L178 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2018-10-10 14:42:53,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:42:53,588 INFO L93 Difference]: Finished difference Result 172 states and 175 transitions. [2018-10-10 14:42:53,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-10-10 14:42:53,588 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 65 [2018-10-10 14:42:53,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:42:53,591 INFO L225 Difference]: With dead ends: 172 [2018-10-10 14:42:53,591 INFO L226 Difference]: Without dead ends: 172 [2018-10-10 14:42:53,592 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 55 SyntacticMatches, 5 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=430, Invalid=1292, Unknown=0, NotChecked=0, Total=1722 [2018-10-10 14:42:53,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-10-10 14:42:53,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 103. [2018-10-10 14:42:53,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-10-10 14:42:53,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 105 transitions. [2018-10-10 14:42:53,600 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 105 transitions. Word has length 65 [2018-10-10 14:42:53,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:42:53,606 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 105 transitions. [2018-10-10 14:42:53,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-10-10 14:42:53,607 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 105 transitions. [2018-10-10 14:42:53,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-10 14:42:53,611 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:42:53,611 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, 1, 1, 1, 1, 1, 1] [2018-10-10 14:42:53,611 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:42:53,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:42:53,613 INFO L82 PathProgramCache]: Analyzing trace with hash 349579, now seen corresponding path program 1 times [2018-10-10 14:42:53,613 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:42:53,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:42:53,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:42:53,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:42:53,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:42:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:42:53,800 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 14:42:53,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:42:53,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-10 14:42:53,801 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-10 14:42:53,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-10 14:42:53,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:42:53,802 INFO L87 Difference]: Start difference. First operand 103 states and 105 transitions. Second operand 9 states. [2018-10-10 14:42:54,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:42:54,209 INFO L93 Difference]: Finished difference Result 151 states and 155 transitions. [2018-10-10 14:42:54,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-10 14:42:54,210 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 71 [2018-10-10 14:42:54,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:42:54,212 INFO L225 Difference]: With dead ends: 151 [2018-10-10 14:42:54,212 INFO L226 Difference]: Without dead ends: 151 [2018-10-10 14:42:54,213 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2018-10-10 14:42:54,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-10-10 14:42:54,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 102. [2018-10-10 14:42:54,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-10-10 14:42:54,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 104 transitions. [2018-10-10 14:42:54,219 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 104 transitions. Word has length 71 [2018-10-10 14:42:54,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:42:54,220 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 104 transitions. [2018-10-10 14:42:54,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-10 14:42:54,220 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 104 transitions. [2018-10-10 14:42:54,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-10 14:42:54,221 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:42:54,222 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, 1, 1, 1, 1, 1] [2018-10-10 14:42:54,222 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:42:54,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:42:54,222 INFO L82 PathProgramCache]: Analyzing trace with hash 225461147, now seen corresponding path program 1 times [2018-10-10 14:42:54,223 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:42:54,223 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:42:54,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:42:54,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:42:54,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:42:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:42:54,437 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 14:42:54,437 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:42:54,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-10 14:42:54,438 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-10 14:42:54,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-10 14:42:54,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:42:54,439 INFO L87 Difference]: Start difference. First operand 102 states and 104 transitions. Second operand 9 states. [2018-10-10 14:42:54,751 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-10 14:42:54,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:42:54,814 INFO L93 Difference]: Finished difference Result 101 states and 103 transitions. [2018-10-10 14:42:54,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-10 14:42:54,815 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 72 [2018-10-10 14:42:54,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:42:54,816 INFO L225 Difference]: With dead ends: 101 [2018-10-10 14:42:54,816 INFO L226 Difference]: Without dead ends: 87 [2018-10-10 14:42:54,817 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2018-10-10 14:42:54,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-10-10 14:42:54,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2018-10-10 14:42:54,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-10-10 14:42:54,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 87 transitions. [2018-10-10 14:42:54,822 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 87 transitions. Word has length 72 [2018-10-10 14:42:54,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:42:54,822 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 87 transitions. [2018-10-10 14:42:54,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-10 14:42:54,823 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 87 transitions. [2018-10-10 14:42:54,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-10 14:42:54,824 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:42:54,824 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, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:42:54,824 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:42:54,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:42:54,825 INFO L82 PathProgramCache]: Analyzing trace with hash 10837079, now seen corresponding path program 1 times [2018-10-10 14:42:54,825 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:42:54,825 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:42:54,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:42:54,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:42:54,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:42:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:42:55,092 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 14:42:55,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:42:55,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-10-10 14:42:55,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-10 14:42:55,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-10 14:42:55,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2018-10-10 14:42:55,094 INFO L87 Difference]: Start difference. First operand 85 states and 87 transitions. Second operand 16 states. [2018-10-10 14:42:56,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:42:56,053 INFO L93 Difference]: Finished difference Result 210 states and 215 transitions. [2018-10-10 14:42:56,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-10 14:42:56,053 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 72 [2018-10-10 14:42:56,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:42:56,055 INFO L225 Difference]: With dead ends: 210 [2018-10-10 14:42:56,056 INFO L226 Difference]: Without dead ends: 210 [2018-10-10 14:42:56,057 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=279, Invalid=651, Unknown=0, NotChecked=0, Total=930 [2018-10-10 14:42:56,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2018-10-10 14:42:56,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 128. [2018-10-10 14:42:56,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-10-10 14:42:56,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 131 transitions. [2018-10-10 14:42:56,062 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 131 transitions. Word has length 72 [2018-10-10 14:42:56,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:42:56,063 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 131 transitions. [2018-10-10 14:42:56,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-10-10 14:42:56,063 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 131 transitions. [2018-10-10 14:42:56,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-10 14:42:56,065 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:42:56,065 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1] [2018-10-10 14:42:56,065 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:42:56,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:42:56,066 INFO L82 PathProgramCache]: Analyzing trace with hash -578972371, now seen corresponding path program 1 times [2018-10-10 14:42:56,066 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:42:56,066 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:42:56,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:42:56,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:42:56,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:42:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:42:56,471 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:42:56,472 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-10 14:42:56,472 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 14:42:56,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:42:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:42:56,528 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:42:56,549 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 14:42:56,549 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:42:56,643 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 14:42:56,643 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:11 [2018-10-10 14:42:57,259 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:42:57,292 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-10 14:42:57,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 21 [2018-10-10 14:42:57,332 WARN L240 PathProgramDumper]: Writing path program to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/dump/stroeder2-alloca_true-valid-memsafety_true-termination.i_8.bpl [2018-10-10 14:42:57,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-10-10 14:42:57,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-10-10 14:42:57,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2018-10-10 14:42:57,334 INFO L87 Difference]: Start difference. First operand 128 states and 131 transitions. Second operand 22 states. [2018-10-10 14:42:58,876 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2018-10-10 14:42:59,029 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2018-10-10 14:42:59,190 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2018-10-10 14:42:59,349 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2018-10-10 14:42:59,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:42:59,430 INFO L93 Difference]: Finished difference Result 172 states and 176 transitions. [2018-10-10 14:42:59,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-10 14:42:59,430 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 92 [2018-10-10 14:42:59,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:42:59,431 INFO L225 Difference]: With dead ends: 172 [2018-10-10 14:42:59,431 INFO L226 Difference]: Without dead ends: 0 [2018-10-10 14:42:59,432 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 82 SyntacticMatches, 5 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=466, Invalid=1340, Unknown=0, NotChecked=0, Total=1806 [2018-10-10 14:42:59,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-10 14:42:59,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-10 14:42:59,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-10 14:42:59,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-10 14:42:59,433 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 92 [2018-10-10 14:42:59,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:42:59,433 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-10 14:42:59,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-10-10 14:42:59,433 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-10 14:42:59,434 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-10 14:42:59,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 02:42:59 BoogieIcfgContainer [2018-10-10 14:42:59,438 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 14:42:59,439 INFO L168 Benchmark]: Toolchain (without parser) took 15736.78 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 859.3 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -207.0 MB). Peak memory consumption was 652.3 MB. Max. memory is 7.1 GB. [2018-10-10 14:42:59,440 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 14:42:59,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 545.62 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-10 14:42:59,441 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.37 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 14:42:59,442 INFO L168 Benchmark]: Boogie Preprocessor took 29.60 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 14:42:59,442 INFO L168 Benchmark]: RCFGBuilder took 885.24 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 721.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -764.1 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2018-10-10 14:42:59,443 INFO L168 Benchmark]: TraceAbstraction took 14218.85 ms. Allocated memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: 137.4 MB). Free memory was 2.2 GB in the beginning and 1.6 GB in the end (delta: 535.9 MB). Peak memory consumption was 673.3 MB. Max. memory is 7.1 GB. [2018-10-10 14:42:59,448 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 545.62 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 53.37 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 29.60 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 885.24 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 721.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -764.1 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14218.85 ms. Allocated memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: 137.4 MB). Free memory was 2.2 GB in the beginning and 1.6 GB in the end (delta: 535.9 MB). Peak memory consumption was 673.3 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: 555]: 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 - 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, 110 locations, 7 error locations. SAFE Result, 14.1s OverallTime, 8 OverallIterations, 2 TraceHistogramMax, 9.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 845 SDtfs, 6448 SDslu, 3703 SDs, 0 SdLazy, 1711 SolverSat, 177 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 343 GetRequests, 147 SyntacticMatches, 10 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 579 ImplicationChecksByTransitivity, 8.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=146occurred 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, 270 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 670 NumberOfCodeBlocks, 670 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 660 ConstructedInterpolants, 39 QuantifiedInterpolants, 385491 SizeOfPredicates, 40 NumberOfNonLiveVariables, 304 ConjunctsInSsa, 80 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 6/52 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...