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/reverse_array_alloca_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c5b1954-m [2018-10-10 14:41:23,061 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 14:41:23,063 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 14:41:23,079 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 14:41:23,079 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 14:41:23,080 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 14:41:23,082 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 14:41:23,083 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 14:41:23,085 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 14:41:23,086 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 14:41:23,088 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 14:41:23,088 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 14:41:23,090 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 14:41:23,093 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 14:41:23,096 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 14:41:23,097 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 14:41:23,098 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 14:41:23,101 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 14:41:23,109 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 14:41:23,112 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 14:41:23,113 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 14:41:23,114 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 14:41:23,116 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 14:41:23,117 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 14:41:23,117 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 14:41:23,118 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 14:41:23,119 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 14:41:23,119 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 14:41:23,120 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 14:41:23,121 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 14:41:23,122 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 14:41:23,122 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-10 14:41:23,127 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 14:41:23,155 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 14:41:23,156 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 14:41:23,158 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-10 14:41:23,158 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-10 14:41:23,158 INFO L133 SettingsManager]: * Use SBE=true [2018-10-10 14:41:23,159 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-10 14:41:23,159 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-10 14:41:23,159 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-10 14:41:23,160 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-10 14:41:23,161 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-10 14:41:23,161 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-10 14:41:23,161 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-10 14:41:23,161 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-10 14:41:23,161 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-10 14:41:23,162 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-10 14:41:23,162 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-10 14:41:23,162 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 14:41:23,162 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-10 14:41:23,162 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-10 14:41:23,163 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-10 14:41:23,163 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-10 14:41:23,163 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 14:41:23,163 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-10 14:41:23,163 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-10 14:41:23,165 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-10 14:41:23,165 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 14:41:23,245 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 14:41:23,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 14:41:23,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 14:41:23,268 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-10 14:41:23,269 INFO L276 PluginConnector]: CDTParser initialized [2018-10-10 14:41:23,270 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/reverse_array_alloca_unsafe_false-valid-deref.i [2018-10-10 14:41:23,562 INFO L217 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1d028dd0/6f9fb3565dc9450b856995ed1958f825/FLAG765e30ed5 [2018-10-10 14:41:23,837 INFO L289 CDTParser]: Found 1 translation units. [2018-10-10 14:41:23,839 INFO L157 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-memsafety/reverse_array_alloca_unsafe_false-valid-deref.i [2018-10-10 14:41:23,853 INFO L337 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1d028dd0/6f9fb3565dc9450b856995ed1958f825/FLAG765e30ed5 [2018-10-10 14:41:23,867 INFO L345 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1d028dd0/6f9fb3565dc9450b856995ed1958f825 [2018-10-10 14:41:23,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 14:41:23,879 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-10 14:41:23,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-10 14:41:23,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-10 14:41:23,884 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-10 14:41:23,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 02:41:23" (1/1) ... [2018-10-10 14:41:23,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d7bbae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:23, skipping insertion in model container [2018-10-10 14:41:23,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 02:41:23" (1/1) ... [2018-10-10 14:41:23,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-10 14:41:23,964 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-10 14:41:24,264 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 14:41:24,283 INFO L189 MainTranslator]: Completed pre-run [2018-10-10 14:41:24,362 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 14:41:24,435 INFO L193 MainTranslator]: Completed translation [2018-10-10 14:41:24,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:24 WrapperNode [2018-10-10 14:41:24,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-10 14:41:24,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-10 14:41:24,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-10 14:41:24,437 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-10 14:41:24,448 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 14:41:24,474 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 14:41:24,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-10 14:41:24,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 14:41:24,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 14:41:24,522 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 14:41:24,534 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 14:41:24,534 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 14:41:24,539 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 14:41:24,540 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 14:41:24,553 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 14:41:24,642 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 14:41:24,644 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 14:41:24,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 14:41:24,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 14:41:24,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 14:41:24,653 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 14:41:24,654 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 14:41:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 14:41:24,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 14:41:25,715 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 14:41:25,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:41:25 BoogieIcfgContainer [2018-10-10 14:41:25,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 14:41:25,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 14:41:25,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 14:41:25,721 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 14:41:25,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 02:41:23" (1/3) ... [2018-10-10 14:41:25,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ac3b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 02:41:25, skipping insertion in model container [2018-10-10 14:41:25,723 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 14:41:25,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ac3b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 02:41:25, skipping insertion in model container [2018-10-10 14:41:25,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:41:25" (3/3) ... [2018-10-10 14:41:25,725 INFO L112 eAbstractionObserver]: Analyzing ICFG reverse_array_alloca_unsafe_false-valid-deref.i [2018-10-10 14:41:25,734 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-10 14:41:25,743 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 21 error locations. [2018-10-10 14:41:25,761 INFO L257 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2018-10-10 14:41:25,788 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 14:41:25,788 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 14:41:25,789 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 14:41:25,789 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-10 14:41:25,789 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 14:41:25,790 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 14:41:25,790 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 14:41:25,790 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 14:41:25,790 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 14:41:25,811 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states. [2018-10-10 14:41:25,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-10 14:41:25,821 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:41:25,822 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] [2018-10-10 14:41:25,825 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:41:25,831 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:41:25,831 INFO L82 PathProgramCache]: Analyzing trace with hash 588333945, now seen corresponding path program 1 times [2018-10-10 14:41:25,834 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:41:25,836 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:41:25,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:25,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:25,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:41:26,201 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 14:41:26,204 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:41:26,204 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-10 14:41:26,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 14:41:26,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 14:41:26,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-10 14:41:26,231 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 6 states. [2018-10-10 14:41:27,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:41:27,034 INFO L93 Difference]: Finished difference Result 221 states and 227 transitions. [2018-10-10 14:41:27,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-10 14:41:27,036 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2018-10-10 14:41:27,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:41:27,050 INFO L225 Difference]: With dead ends: 221 [2018-10-10 14:41:27,051 INFO L226 Difference]: Without dead ends: 216 [2018-10-10 14:41:27,052 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:41:27,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2018-10-10 14:41:27,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 195. [2018-10-10 14:41:27,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-10-10 14:41:27,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 200 transitions. [2018-10-10 14:41:27,101 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 200 transitions. Word has length 35 [2018-10-10 14:41:27,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:41:27,102 INFO L481 AbstractCegarLoop]: Abstraction has 195 states and 200 transitions. [2018-10-10 14:41:27,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 14:41:27,102 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 200 transitions. [2018-10-10 14:41:27,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-10 14:41:27,103 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:41:27,103 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] [2018-10-10 14:41:27,104 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:41:27,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:41:27,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1058267678, now seen corresponding path program 1 times [2018-10-10 14:41:27,105 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:41:27,105 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:41:27,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:27,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:27,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:41:27,235 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 14:41:27,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:41:27,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-10 14:41:27,237 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 14:41:27,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 14:41:27,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-10 14:41:27,238 INFO L87 Difference]: Start difference. First operand 195 states and 200 transitions. Second operand 6 states. [2018-10-10 14:41:27,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:41:27,884 INFO L93 Difference]: Finished difference Result 230 states and 237 transitions. [2018-10-10 14:41:27,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-10 14:41:27,885 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2018-10-10 14:41:27,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:41:27,888 INFO L225 Difference]: With dead ends: 230 [2018-10-10 14:41:27,888 INFO L226 Difference]: Without dead ends: 230 [2018-10-10 14:41:27,889 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:41:27,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-10-10 14:41:27,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 193. [2018-10-10 14:41:27,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-10-10 14:41:27,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 198 transitions. [2018-10-10 14:41:27,903 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 198 transitions. Word has length 36 [2018-10-10 14:41:27,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:41:27,903 INFO L481 AbstractCegarLoop]: Abstraction has 193 states and 198 transitions. [2018-10-10 14:41:27,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 14:41:27,904 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 198 transitions. [2018-10-10 14:41:27,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-10 14:41:27,905 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:41:27,905 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] [2018-10-10 14:41:27,906 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:41:27,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:41:27,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1058483200, now seen corresponding path program 1 times [2018-10-10 14:41:27,907 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:41:27,907 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:41:27,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:27,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:27,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:41:28,179 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 14:41:28,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:41:28,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-10 14:41:28,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-10 14:41:28,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-10 14:41:28,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-10-10 14:41:28,181 INFO L87 Difference]: Start difference. First operand 193 states and 198 transitions. Second operand 10 states. [2018-10-10 14:41:29,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:41:29,714 INFO L93 Difference]: Finished difference Result 427 states and 437 transitions. [2018-10-10 14:41:29,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-10-10 14:41:29,714 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 36 [2018-10-10 14:41:29,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:41:29,718 INFO L225 Difference]: With dead ends: 427 [2018-10-10 14:41:29,718 INFO L226 Difference]: Without dead ends: 427 [2018-10-10 14:41:29,719 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2018-10-10 14:41:29,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2018-10-10 14:41:29,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 225. [2018-10-10 14:41:29,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-10-10 14:41:29,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 231 transitions. [2018-10-10 14:41:29,737 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 231 transitions. Word has length 36 [2018-10-10 14:41:29,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:41:29,737 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 231 transitions. [2018-10-10 14:41:29,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-10 14:41:29,738 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 231 transitions. [2018-10-10 14:41:29,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-10 14:41:29,739 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:41:29,739 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] [2018-10-10 14:41:29,740 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:41:29,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:41:29,741 INFO L82 PathProgramCache]: Analyzing trace with hash -227650917, now seen corresponding path program 1 times [2018-10-10 14:41:29,741 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:41:29,741 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:41:29,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:29,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:29,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:41:29,965 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 14:41:29,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:41:29,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-10 14:41:29,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-10 14:41:29,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-10 14:41:29,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-10-10 14:41:29,967 INFO L87 Difference]: Start difference. First operand 225 states and 231 transitions. Second operand 10 states. [2018-10-10 14:41:31,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:41:31,170 INFO L93 Difference]: Finished difference Result 384 states and 393 transitions. [2018-10-10 14:41:31,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-10 14:41:31,171 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 39 [2018-10-10 14:41:31,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:41:31,175 INFO L225 Difference]: With dead ends: 384 [2018-10-10 14:41:31,175 INFO L226 Difference]: Without dead ends: 384 [2018-10-10 14:41:31,176 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=129, Invalid=251, Unknown=0, NotChecked=0, Total=380 [2018-10-10 14:41:31,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2018-10-10 14:41:31,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 227. [2018-10-10 14:41:31,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-10-10 14:41:31,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 234 transitions. [2018-10-10 14:41:31,188 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 234 transitions. Word has length 39 [2018-10-10 14:41:31,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:41:31,188 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 234 transitions. [2018-10-10 14:41:31,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-10 14:41:31,189 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 234 transitions. [2018-10-10 14:41:31,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-10 14:41:31,190 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:41:31,190 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:41:31,191 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:41:31,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:41:31,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1526075126, now seen corresponding path program 1 times [2018-10-10 14:41:31,192 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:41:31,192 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:41:31,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:31,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:31,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:41:31,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:41:31,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:41:31,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-10 14:41:31,283 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 14:41:31,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 14:41:31,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-10 14:41:31,284 INFO L87 Difference]: Start difference. First operand 227 states and 234 transitions. Second operand 6 states. [2018-10-10 14:41:31,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:41:31,411 INFO L93 Difference]: Finished difference Result 425 states and 435 transitions. [2018-10-10 14:41:31,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-10 14:41:31,411 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2018-10-10 14:41:31,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:41:31,414 INFO L225 Difference]: With dead ends: 425 [2018-10-10 14:41:31,414 INFO L226 Difference]: Without dead ends: 425 [2018-10-10 14:41:31,414 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-10 14:41:31,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-10-10 14:41:31,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 211. [2018-10-10 14:41:31,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-10-10 14:41:31,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 217 transitions. [2018-10-10 14:41:31,424 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 217 transitions. Word has length 40 [2018-10-10 14:41:31,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:41:31,424 INFO L481 AbstractCegarLoop]: Abstraction has 211 states and 217 transitions. [2018-10-10 14:41:31,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 14:41:31,425 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 217 transitions. [2018-10-10 14:41:31,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-10 14:41:31,426 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:41:31,427 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-10 14:41:31,427 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:41:31,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:41:31,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1452843304, now seen corresponding path program 1 times [2018-10-10 14:41:31,428 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:41:31,428 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:41:31,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:31,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:31,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:41:31,666 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:41:31,667 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-10 14:41:31,667 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-10 14:41:31,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:41:31,711 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:41:31,755 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 14:41:31,757 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:41:31,778 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:41:31,778 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:11 [2018-10-10 14:41:32,048 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:41:32,082 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-10 14:41:32,082 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 14 [2018-10-10 14:41:32,136 WARN L240 PathProgramDumper]: Writing path program to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/dump/reverse_array_alloca_unsafe_false-valid-deref.i_6.bpl [2018-10-10 14:41:32,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-10 14:41:32,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-10 14:41:32,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2018-10-10 14:41:32,144 INFO L87 Difference]: Start difference. First operand 211 states and 217 transitions. Second operand 15 states. [2018-10-10 14:41:32,469 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-10 14:41:33,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:41:33,985 INFO L93 Difference]: Finished difference Result 253 states and 260 transitions. [2018-10-10 14:41:33,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-10 14:41:33,987 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 53 [2018-10-10 14:41:33,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:41:33,990 INFO L225 Difference]: With dead ends: 253 [2018-10-10 14:41:33,990 INFO L226 Difference]: Without dead ends: 253 [2018-10-10 14:41:33,991 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=213, Invalid=543, Unknown=0, NotChecked=0, Total=756 [2018-10-10 14:41:33,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-10-10 14:41:33,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 193. [2018-10-10 14:41:33,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-10-10 14:41:33,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 198 transitions. [2018-10-10 14:41:33,997 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 198 transitions. Word has length 53 [2018-10-10 14:41:33,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:41:33,997 INFO L481 AbstractCegarLoop]: Abstraction has 193 states and 198 transitions. [2018-10-10 14:41:33,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-10 14:41:33,998 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 198 transitions. [2018-10-10 14:41:33,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-10 14:41:33,999 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:41:34,000 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] [2018-10-10 14:41:34,001 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:41:34,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:41:34,001 INFO L82 PathProgramCache]: Analyzing trace with hash 2081788425, now seen corresponding path program 1 times [2018-10-10 14:41:34,001 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:41:34,002 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:41:34,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:34,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:34,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-10 14:41:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-10 14:41:34,059 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-10 14:41:34,072 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,073 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,073 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,074 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,074 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,074 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,075 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,075 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,075 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,076 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,076 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,076 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,077 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,077 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,077 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,077 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,078 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,078 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,078 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,078 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,079 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,079 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,080 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,080 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,080 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,081 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,081 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,081 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,082 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,082 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,082 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,083 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,083 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,083 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,084 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,084 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,084 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,085 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,085 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,085 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,086 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,086 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,087 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,087 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,087 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,088 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,088 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,088 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,089 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,089 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,089 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,090 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,090 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,090 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,091 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,091 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,091 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,091 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,092 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,092 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,093 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,093 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,093 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,093 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-10 14:41:34,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 02:41:34 BoogieIcfgContainer [2018-10-10 14:41:34,106 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 14:41:34,107 INFO L168 Benchmark]: Toolchain (without parser) took 10228.38 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 718.3 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -178.8 MB). Peak memory consumption was 539.4 MB. Max. memory is 7.1 GB. [2018-10-10 14:41:34,108 INFO L168 Benchmark]: CDTParser took 0.25 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 14:41:34,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.86 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 14:41:34,110 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.33 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 14:41:34,110 INFO L168 Benchmark]: Boogie Preprocessor took 130.54 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 718.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -798.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2018-10-10 14:41:34,111 INFO L168 Benchmark]: RCFGBuilder took 1063.34 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 7.1 GB. [2018-10-10 14:41:34,112 INFO L168 Benchmark]: TraceAbstraction took 8388.91 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 544.1 MB). Peak memory consumption was 544.1 MB. Max. memory is 7.1 GB. [2018-10-10 14:41:34,116 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 555.86 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 85.33 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 130.54 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 718.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -798.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1063.34 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8388.91 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 544.1 MB). Peak memory consumption was 544.1 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 - 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, tmp; [L542] int length = __VERIFIER_nondet_int(); [L543] COND FALSE !(length < 1) [L544] COND FALSE !(length % 2 == 0) [L545] EXPR, FCALL __builtin_alloca (length*sizeof(int)) [L545] int *arr = __builtin_alloca (length*sizeof(int)); [L546] i=0 [L546] COND TRUE i