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/selectionsort_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c5b1954-m [2018-10-10 14:41:27,711 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 14:41:27,713 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 14:41:27,730 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 14:41:27,730 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 14:41:27,732 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 14:41:27,734 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 14:41:27,736 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 14:41:27,740 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 14:41:27,742 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 14:41:27,743 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 14:41:27,743 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 14:41:27,746 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 14:41:27,747 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 14:41:27,755 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 14:41:27,756 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 14:41:27,760 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 14:41:27,762 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 14:41:27,764 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 14:41:27,766 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 14:41:27,767 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 14:41:27,768 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 14:41:27,770 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 14:41:27,771 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 14:41:27,771 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 14:41:27,772 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 14:41:27,773 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 14:41:27,774 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 14:41:27,774 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 14:41:27,775 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 14:41:27,776 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 14:41:27,776 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-10 14:41:27,779 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 14:41:27,793 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 14:41:27,793 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 14:41:27,795 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-10 14:41:27,795 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-10 14:41:27,795 INFO L133 SettingsManager]: * Use SBE=true [2018-10-10 14:41:27,796 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-10 14:41:27,796 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-10 14:41:27,796 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-10 14:41:27,796 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-10 14:41:27,796 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-10 14:41:27,797 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-10 14:41:27,797 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-10 14:41:27,797 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-10 14:41:27,797 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-10 14:41:27,797 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-10 14:41:27,798 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-10 14:41:27,798 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 14:41:27,798 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-10 14:41:27,798 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-10 14:41:27,798 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-10 14:41:27,799 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-10 14:41:27,799 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 14:41:27,799 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-10 14:41:27,799 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-10 14:41:27,800 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-10 14:41:27,800 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 14:41:27,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 14:41:27,861 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 14:41:27,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 14:41:27,866 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-10 14:41:27,867 INFO L276 PluginConnector]: CDTParser initialized [2018-10-10 14:41:27,868 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/selectionsort_unsafe_false-valid-deref.i [2018-10-10 14:41:28,198 INFO L217 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c29323223/646f9ed956cb4913b624e282e1b7c6eb/FLAGfa22a58f7 [2018-10-10 14:41:28,372 INFO L289 CDTParser]: Found 1 translation units. [2018-10-10 14:41:28,373 INFO L157 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-memsafety/selectionsort_unsafe_false-valid-deref.i [2018-10-10 14:41:28,378 INFO L337 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c29323223/646f9ed956cb4913b624e282e1b7c6eb/FLAGfa22a58f7 [2018-10-10 14:41:28,394 INFO L345 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c29323223/646f9ed956cb4913b624e282e1b7c6eb [2018-10-10 14:41:28,404 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 14:41:28,405 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-10 14:41:28,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-10 14:41:28,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-10 14:41:28,410 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-10 14:41:28,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 02:41:28" (1/1) ... [2018-10-10 14:41:28,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@419307cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:28, skipping insertion in model container [2018-10-10 14:41:28,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 02:41:28" (1/1) ... [2018-10-10 14:41:28,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-10 14:41:28,447 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-10 14:41:28,630 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 14:41:28,647 INFO L189 MainTranslator]: Completed pre-run [2018-10-10 14:41:28,675 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 14:41:28,696 INFO L193 MainTranslator]: Completed translation [2018-10-10 14:41:28,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:28 WrapperNode [2018-10-10 14:41:28,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-10 14:41:28,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-10 14:41:28,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-10 14:41:28,698 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-10 14:41:28,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:28" (1/1) ... [2018-10-10 14:41:28,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:28" (1/1) ... [2018-10-10 14:41:28,743 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-10 14:41:28,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 14:41:28,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 14:41:28,744 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 14:41:28,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:28" (1/1) ... [2018-10-10 14:41:28,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:28" (1/1) ... [2018-10-10 14:41:28,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:28" (1/1) ... [2018-10-10 14:41:28,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:28" (1/1) ... [2018-10-10 14:41:28,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:28" (1/1) ... [2018-10-10 14:41:28,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:28" (1/1) ... [2018-10-10 14:41:28,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:28" (1/1) ... [2018-10-10 14:41:28,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 14:41:28,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 14:41:28,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 14:41:28,774 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 14:41:28,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:28" (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 14:41:28,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 14:41:28,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 14:41:29,600 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 14:41:29,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:41:29 BoogieIcfgContainer [2018-10-10 14:41:29,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 14:41:29,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 14:41:29,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 14:41:29,606 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 14:41:29,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 02:41:28" (1/3) ... [2018-10-10 14:41:29,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ca8fc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 02:41:29, skipping insertion in model container [2018-10-10 14:41:29,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:41:28" (2/3) ... [2018-10-10 14:41:29,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ca8fc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 02:41:29, skipping insertion in model container [2018-10-10 14:41:29,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:41:29" (3/3) ... [2018-10-10 14:41:29,610 INFO L112 eAbstractionObserver]: Analyzing ICFG selectionsort_unsafe_false-valid-deref.i [2018-10-10 14:41:29,621 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-10 14:41:29,630 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-10-10 14:41:29,649 INFO L257 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2018-10-10 14:41:29,682 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 14:41:29,683 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 14:41:29,683 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 14:41:29,683 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-10 14:41:29,684 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 14:41:29,684 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 14:41:29,684 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 14:41:29,684 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 14:41:29,685 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 14:41:29,708 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2018-10-10 14:41:29,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-10 14:41:29,717 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:41:29,719 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] [2018-10-10 14:41:29,722 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:41:29,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:41:29,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1871621996, now seen corresponding path program 1 times [2018-10-10 14:41:29,731 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:41:29,732 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:41:29,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:29,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:29,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:41:29,869 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 14:41:29,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:41:29,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-10 14:41:29,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-10 14:41:29,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-10 14:41:29,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-10 14:41:29,898 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2018-10-10 14:41:29,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:41:29,922 INFO L93 Difference]: Finished difference Result 124 states and 126 transitions. [2018-10-10 14:41:29,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-10 14:41:29,924 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-10-10 14:41:29,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:41:29,945 INFO L225 Difference]: With dead ends: 124 [2018-10-10 14:41:29,945 INFO L226 Difference]: Without dead ends: 119 [2018-10-10 14:41:29,948 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-10 14:41:29,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-10-10 14:41:29,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-10-10 14:41:29,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-10-10 14:41:29,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 121 transitions. [2018-10-10 14:41:29,996 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 121 transitions. Word has length 23 [2018-10-10 14:41:29,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:41:29,997 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 121 transitions. [2018-10-10 14:41:29,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-10 14:41:29,997 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 121 transitions. [2018-10-10 14:41:29,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-10 14:41:29,998 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:41:29,998 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] [2018-10-10 14:41:29,999 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:41:29,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:41:29,999 INFO L82 PathProgramCache]: Analyzing trace with hash 2074198437, now seen corresponding path program 1 times [2018-10-10 14:41:29,999 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:41:30,000 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:41:30,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:30,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:30,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:41:30,125 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 14:41:30,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:41:30,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-10 14:41:30,128 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-10 14:41:30,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-10 14:41:30,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-10 14:41:30,129 INFO L87 Difference]: Start difference. First operand 119 states and 121 transitions. Second operand 3 states. [2018-10-10 14:41:30,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:41:30,344 INFO L93 Difference]: Finished difference Result 118 states and 120 transitions. [2018-10-10 14:41:30,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-10 14:41:30,348 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-10-10 14:41:30,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:41:30,350 INFO L225 Difference]: With dead ends: 118 [2018-10-10 14:41:30,350 INFO L226 Difference]: Without dead ends: 115 [2018-10-10 14:41:30,354 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-10 14:41:30,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-10-10 14:41:30,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-10-10 14:41:30,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-10-10 14:41:30,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 117 transitions. [2018-10-10 14:41:30,377 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 117 transitions. Word has length 24 [2018-10-10 14:41:30,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:41:30,378 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 117 transitions. [2018-10-10 14:41:30,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-10 14:41:30,378 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 117 transitions. [2018-10-10 14:41:30,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-10 14:41:30,381 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:41:30,381 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] [2018-10-10 14:41:30,382 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:41:30,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:41:30,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1941129760, now seen corresponding path program 1 times [2018-10-10 14:41:30,383 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:41:30,383 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:41:30,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:30,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:30,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:41:30,457 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 14:41:30,457 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:41:30,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-10 14:41:30,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-10 14:41:30,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-10 14:41:30,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-10 14:41:30,459 INFO L87 Difference]: Start difference. First operand 115 states and 117 transitions. Second operand 4 states. [2018-10-10 14:41:30,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:41:30,661 INFO L93 Difference]: Finished difference Result 117 states and 119 transitions. [2018-10-10 14:41:30,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-10 14:41:30,662 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2018-10-10 14:41:30,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:41:30,664 INFO L225 Difference]: With dead ends: 117 [2018-10-10 14:41:30,664 INFO L226 Difference]: Without dead ends: 117 [2018-10-10 14:41:30,665 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-10 14:41:30,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-10-10 14:41:30,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-10-10 14:41:30,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-10-10 14:41:30,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 119 transitions. [2018-10-10 14:41:30,674 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 119 transitions. Word has length 31 [2018-10-10 14:41:30,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:41:30,674 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 119 transitions. [2018-10-10 14:41:30,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-10 14:41:30,675 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 119 transitions. [2018-10-10 14:41:30,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-10 14:41:30,675 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:41:30,676 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] [2018-10-10 14:41:30,676 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:41:30,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:41:30,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1941110891, now seen corresponding path program 1 times [2018-10-10 14:41:30,677 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:41:30,677 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:41:30,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:30,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:41:30,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:41:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-10 14:41:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-10 14:41:30,729 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-10 14:41:30,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 02:41:30 BoogieIcfgContainer [2018-10-10 14:41:30,764 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 14:41:30,765 INFO L168 Benchmark]: Toolchain (without parser) took 2360.93 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 751.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -736.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2018-10-10 14:41:30,767 INFO L168 Benchmark]: CDTParser took 0.23 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 14:41:30,768 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.84 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-10 14:41:30,769 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.60 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-10 14:41:30,769 INFO L168 Benchmark]: Boogie Preprocessor took 30.08 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 14:41:30,770 INFO L168 Benchmark]: RCFGBuilder took 827.26 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 751.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -787.2 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2018-10-10 14:41:30,771 INFO L168 Benchmark]: TraceAbstraction took 1162.38 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: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 7.1 GB. [2018-10-10 14:41:30,777 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 290.84 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 45.60 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.08 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 827.26 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 751.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -787.2 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1162.38 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: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 7.1 GB. * 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: [L20] int *a; [L21] int array_size = __VERIFIER_nondet_int(); [L22] CALL SelectionSort(a, array_size) [L4] int i; [L5] i = 0 [L5] COND TRUE i < array_size - 1 [L7] int j, min, temp; [L8] min = i [L9] j = i+1 [L9] COND TRUE j < array_size [L11] CALL a[j] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 13 error locations. UNSAFE Result, 1.0s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 333 SDtfs, 221 SDslu, 92 SDs, 0 SdLazy, 47 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 3627 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...