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/mult_array_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c5b1954-m [2018-10-10 14:41:23,699 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 14:41:23,701 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 14:41:23,716 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 14:41:23,718 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 14:41:23,719 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 14:41:23,720 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 14:41:23,723 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 14:41:23,724 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 14:41:23,725 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 14:41:23,726 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 14:41:23,726 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 14:41:23,727 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 14:41:23,728 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 14:41:23,730 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 14:41:23,730 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 14:41:23,731 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 14:41:23,733 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 14:41:23,735 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 14:41:23,737 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 14:41:23,738 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 14:41:23,739 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 14:41:23,742 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-10 14:41:23,755 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 14:41:23,756 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 14:41:23,758 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 14:41:23,759 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 14:41:23,759 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 14:41:23,787 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 14:41:23,787 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 14:41:23,788 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-10 14:41:23,789 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-10 14:41:23,789 INFO L133 SettingsManager]: * Use SBE=true [2018-10-10 14:41:23,789 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-10 14:41:23,789 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-10 14:41:23,790 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-10 14:41:23,790 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-10 14:41:23,790 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-10 14:41:23,790 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-10 14:41:23,790 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-10 14:41:23,791 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-10 14:41:23,791 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-10 14:41:23,791 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-10 14:41:23,791 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-10 14:41:23,791 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 14:41:23,792 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-10 14:41:23,792 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-10 14:41:23,792 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-10 14:41:23,792 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-10 14:41:23,793 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 14:41:23,793 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-10 14:41:23,793 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-10 14:41:23,793 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-10 14:41:23,794 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 14:41:23,858 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 14:41:23,874 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 14:41:23,878 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 14:41:23,880 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-10 14:41:23,880 INFO L276 PluginConnector]: CDTParser initialized [2018-10-10 14:41:23,881 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/mult_array_unsafe_false-valid-deref.i [2018-10-10 14:41:24,209 INFO L217 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54910f2a8/9bce41847eb64da4b4d866fc65f93db6/FLAGb750a2d3f [2018-10-10 14:41:24,503 INFO L289 CDTParser]: Found 1 translation units. [2018-10-10 14:41:24,504 INFO L157 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-memsafety/mult_array_unsafe_false-valid-deref.i [2018-10-10 14:41:24,518 INFO L337 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54910f2a8/9bce41847eb64da4b4d866fc65f93db6/FLAGb750a2d3f [2018-10-10 14:41:24,534 INFO L345 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54910f2a8/9bce41847eb64da4b4d866fc65f93db6 [2018-10-10 14:41:24,543 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 14:41:24,545 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-10 14:41:24,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-10 14:41:24,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-10 14:41:24,550 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-10 14:41:24,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 02:41:24" (1/1) ... [2018-10-10 14:41:24,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610e4f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:24, skipping insertion in model container [2018-10-10 14:41:24,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 02:41:24" (1/1) ... [2018-10-10 14:41:24,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-10 14:41:24,609 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-10 14:41:24,867 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 14:41:24,877 INFO L189 MainTranslator]: Completed pre-run [2018-10-10 14:41:24,926 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 14:41:24,995 INFO L193 MainTranslator]: Completed translation [2018-10-10 14:41:24,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:24 WrapperNode [2018-10-10 14:41:24,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-10 14:41:24,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-10 14:41:24,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-10 14:41:24,997 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-10 14:41:25,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:24" (1/1) ... [2018-10-10 14:41:25,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:24" (1/1) ... [2018-10-10 14:41:25,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-10 14:41:25,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 14:41:25,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 14:41:25,056 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 14:41:25,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:24" (1/1) ... [2018-10-10 14:41:25,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:24" (1/1) ... [2018-10-10 14:41:25,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:24" (1/1) ... [2018-10-10 14:41:25,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:24" (1/1) ... [2018-10-10 14:41:25,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:24" (1/1) ... [2018-10-10 14:41:25,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:24" (1/1) ... [2018-10-10 14:41:25,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:24" (1/1) ... [2018-10-10 14:41:25,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 14:41:25,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 14:41:25,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 14:41:25,165 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 14:41:25,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:24" (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 14:41:25,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 14:41:25,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 14:41:26,033 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 14:41:26,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:41:26 BoogieIcfgContainer [2018-10-10 14:41:26,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 14:41:26,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 14:41:26,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 14:41:26,039 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 14:41:26,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 02:41:24" (1/3) ... [2018-10-10 14:41:26,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c59a545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 02:41:26, skipping insertion in model container [2018-10-10 14:41:26,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:24" (2/3) ... [2018-10-10 14:41:26,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c59a545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 02:41:26, skipping insertion in model container [2018-10-10 14:41:26,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:41:26" (3/3) ... [2018-10-10 14:41:26,044 INFO L112 eAbstractionObserver]: Analyzing ICFG mult_array_unsafe_false-valid-deref.i [2018-10-10 14:41:26,053 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-10 14:41:26,061 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-10-10 14:41:26,078 INFO L257 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2018-10-10 14:41:26,105 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 14:41:26,106 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 14:41:26,106 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 14:41:26,106 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-10 14:41:26,107 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 14:41:26,107 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 14:41:26,107 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 14:41:26,107 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 14:41:26,107 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 14:41:26,125 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-10-10 14:41:26,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-10 14:41:26,136 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:41:26,137 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] [2018-10-10 14:41:26,140 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:41:26,145 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:41:26,146 INFO L82 PathProgramCache]: Analyzing trace with hash -2048297135, now seen corresponding path program 1 times [2018-10-10 14:41:26,147 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:41:26,148 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:41:26,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:26,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:26,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:26,246 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:41:26,246 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:41:26,246 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 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:41:26,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:41:26,306 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:41:26,353 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 14:41:26,362 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:41:26,374 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:41:26,375 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-10-10 14:41:26,553 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:41:26,554 INFO L700 Elim1Store]: detected not equals via solver [2018-10-10 14:41:26,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-10-10 14:41:26,557 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:41:26,571 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-10 14:41:26,572 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-10-10 14:41:26,851 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 14:41:26,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:41:26,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-10 14:41:26,888 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-10 14:41:26,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-10 14:41:26,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:41:26,906 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 9 states. [2018-10-10 14:41:27,379 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 15 [2018-10-10 14:41:28,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:41:28,095 INFO L93 Difference]: Finished difference Result 163 states and 169 transitions. [2018-10-10 14:41:28,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-10 14:41:28,097 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2018-10-10 14:41:28,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:41:28,112 INFO L225 Difference]: With dead ends: 163 [2018-10-10 14:41:28,112 INFO L226 Difference]: Without dead ends: 158 [2018-10-10 14:41:28,114 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2018-10-10 14:41:28,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-10-10 14:41:28,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 129. [2018-10-10 14:41:28,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-10-10 14:41:28,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 133 transitions. [2018-10-10 14:41:28,163 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 133 transitions. Word has length 53 [2018-10-10 14:41:28,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:41:28,164 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 133 transitions. [2018-10-10 14:41:28,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-10 14:41:28,165 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 133 transitions. [2018-10-10 14:41:28,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-10 14:41:28,166 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:41:28,167 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] [2018-10-10 14:41:28,167 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:41:28,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:41:28,168 INFO L82 PathProgramCache]: Analyzing trace with hash -223470388, now seen corresponding path program 1 times [2018-10-10 14:41:28,168 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:41:28,169 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:41:28,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:28,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:28,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:28,178 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:41:28,178 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:41:28,178 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 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:41:28,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:41:28,214 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:41:28,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:41:28,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:41:28,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-10 14:41:28,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 14:41:28,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 14:41:28,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-10 14:41:28,317 INFO L87 Difference]: Start difference. First operand 129 states and 133 transitions. Second operand 4 states. [2018-10-10 14:41:28,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:41:28,432 INFO L93 Difference]: Finished difference Result 146 states and 150 transitions. [2018-10-10 14:41:28,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 14:41:28,433 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2018-10-10 14:41:28,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:41:28,439 INFO L225 Difference]: With dead ends: 146 [2018-10-10 14:41:28,439 INFO L226 Difference]: Without dead ends: 146 [2018-10-10 14:41:28,442 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-10 14:41:28,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-10-10 14:41:28,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 131. [2018-10-10 14:41:28,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-10-10 14:41:28,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 135 transitions. [2018-10-10 14:41:28,457 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 135 transitions. Word has length 54 [2018-10-10 14:41:28,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:41:28,458 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 135 transitions. [2018-10-10 14:41:28,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 14:41:28,458 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 135 transitions. [2018-10-10 14:41:28,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-10 14:41:28,460 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:41:28,460 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] [2018-10-10 14:41:28,461 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:41:28,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:41:28,461 INFO L82 PathProgramCache]: Analyzing trace with hash 927298379, now seen corresponding path program 1 times [2018-10-10 14:41:28,462 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:41:28,462 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:41:28,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:28,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:28,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:28,470 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-10 14:41:28,471 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-10 14:41:28,471 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-10 14:41:28,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-10 14:41:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-10 14:41:28,609 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-10 14:41:28,642 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,645 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,646 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,646 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,649 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,649 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,650 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,652 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,653 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,653 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,654 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,654 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,654 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,660 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,661 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,661 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,664 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,665 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,665 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,666 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,670 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,671 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,671 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,675 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,676 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,676 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,677 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,678 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,678 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,678 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,679 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,679 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,680 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,680 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,681 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,682 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,682 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,683 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,683 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,684 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,684 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,685 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,685 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,686 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,686 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,687 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,687 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,687 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,688 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,688 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,689 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,689 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,690 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,691 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:28,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 02:41:28 BoogieIcfgContainer [2018-10-10 14:41:28,709 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 14:41:28,710 INFO L168 Benchmark]: Toolchain (without parser) took 4165.65 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 742.4 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -600.3 MB). Peak memory consumption was 142.1 MB. Max. memory is 7.1 GB. [2018-10-10 14:41:28,711 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 14:41:28,712 INFO L168 Benchmark]: CACSL2BoogieTranslator took 450.84 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 14:41:28,713 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.36 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 14:41:28,714 INFO L168 Benchmark]: Boogie Preprocessor took 108.64 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 742.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -810.9 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2018-10-10 14:41:28,715 INFO L168 Benchmark]: RCFGBuilder took 869.50 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2018-10-10 14:41:28,715 INFO L168 Benchmark]: TraceAbstraction took 2673.56 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 161.0 MB). Peak memory consumption was 161.0 MB. Max. memory is 7.1 GB. [2018-10-10 14:41:28,721 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 450.84 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 58.36 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 108.64 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 742.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -810.9 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 869.50 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2673.56 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 161.0 MB). Peak memory consumption was 161.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L541] int i, j; [L542] int length = __VERIFIER_nondet_int(); [L543] COND FALSE !(length < 1 || length >= 2147483647 / sizeof(int)) [L544] int fac = __VERIFIER_nondet_int(); [L545] COND FALSE !(fac < 1 || fac >= 2147483647 / (sizeof(int) * length)) [L546] EXPR, FCALL __builtin_alloca (length) [L546] int *arr = __builtin_alloca (length); [L547] EXPR, FCALL __builtin_alloca (fac*length) [L547] int *arr2 = __builtin_alloca (fac*length); [L548] COND FALSE !(!arr || !arr2) [L549] i=0 [L549] COND TRUE i