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/ldv-memsafety/ArraysOfVariableLength_true-valid-memsafety.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c5b1954-m [2018-10-10 14:53:07,824 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-10 14:53:07,826 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-10 14:53:07,844 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-10 14:53:07,845 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-10 14:53:07,846 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-10 14:53:07,848 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-10 14:53:07,851 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-10 14:53:07,855 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-10 14:53:07,855 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-10 14:53:07,856 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-10 14:53:07,865 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-10 14:53:07,866 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-10 14:53:07,870 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-10 14:53:07,871 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-10 14:53:07,872 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-10 14:53:07,873 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-10 14:53:07,875 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-10 14:53:07,876 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-10 14:53:07,878 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-10 14:53:07,879 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-10 14:53:07,880 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-10 14:53:07,882 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-10 14:53:07,882 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-10 14:53:07,882 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-10 14:53:07,883 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-10 14:53:07,884 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-10 14:53:07,885 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-10 14:53:07,886 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-10 14:53:07,887 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-10 14:53:07,887 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-10 14:53:07,888 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-10 14:53:07,888 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-10 14:53:07,888 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-10 14:53:07,889 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-10 14:53:07,890 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-10 14:53:07,890 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 14:53:07,905 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-10 14:53:07,905 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-10 14:53:07,906 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-10 14:53:07,907 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-10 14:53:07,907 INFO L133 SettingsManager]: * Use SBE=true [2018-10-10 14:53:07,907 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-10 14:53:07,907 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-10 14:53:07,908 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-10 14:53:07,908 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-10 14:53:07,908 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-10 14:53:07,908 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-10 14:53:07,908 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-10 14:53:07,909 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-10 14:53:07,909 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-10 14:53:07,909 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-10 14:53:07,909 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-10 14:53:07,909 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-10 14:53:07,910 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-10 14:53:07,910 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-10 14:53:07,910 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-10 14:53:07,910 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-10 14:53:07,910 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-10 14:53:07,911 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-10 14:53:07,911 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-10 14:53:07,911 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-10 14:53:07,911 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 14:53:07,957 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-10 14:53:07,975 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-10 14:53:07,980 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-10 14:53:07,981 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-10 14:53:07,982 INFO L276 PluginConnector]: CDTParser initialized [2018-10-10 14:53:07,983 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength_true-valid-memsafety.c [2018-10-10 14:53:08,289 INFO L217 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd18ad735/b27071e2a25e4013ad1848895dd7c7bd/FLAG0ae6cd3f1 [2018-10-10 14:53:08,490 INFO L289 CDTParser]: Found 1 translation units. [2018-10-10 14:53:08,491 INFO L157 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength_true-valid-memsafety.c [2018-10-10 14:53:08,497 INFO L337 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd18ad735/b27071e2a25e4013ad1848895dd7c7bd/FLAG0ae6cd3f1 [2018-10-10 14:53:08,512 INFO L345 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd18ad735/b27071e2a25e4013ad1848895dd7c7bd [2018-10-10 14:53:08,522 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-10 14:53:08,524 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-10 14:53:08,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-10 14:53:08,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-10 14:53:08,529 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-10 14:53:08,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 02:53:08" (1/1) ... [2018-10-10 14:53:08,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b436a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:53:08, skipping insertion in model container [2018-10-10 14:53:08,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 02:53:08" (1/1) ... [2018-10-10 14:53:08,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-10 14:53:08,564 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-10 14:53:08,735 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 14:53:08,746 INFO L189 MainTranslator]: Completed pre-run [2018-10-10 14:53:08,770 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-10 14:53:08,785 INFO L193 MainTranslator]: Completed translation [2018-10-10 14:53:08,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:53:08 WrapperNode [2018-10-10 14:53:08,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-10 14:53:08,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-10 14:53:08,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-10 14:53:08,786 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-10 14:53:08,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:53:08" (1/1) ... [2018-10-10 14:53:08,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:53:08" (1/1) ... [2018-10-10 14:53:08,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-10 14:53:08,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-10 14:53:08,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-10 14:53:08,829 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-10 14:53:08,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:53:08" (1/1) ... [2018-10-10 14:53:08,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:53:08" (1/1) ... [2018-10-10 14:53:08,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:53:08" (1/1) ... [2018-10-10 14:53:08,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:53:08" (1/1) ... [2018-10-10 14:53:08,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:53:08" (1/1) ... [2018-10-10 14:53:08,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:53:08" (1/1) ... [2018-10-10 14:53:08,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:53:08" (1/1) ... [2018-10-10 14:53:08,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-10 14:53:08,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-10 14:53:08,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-10 14:53:08,861 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-10 14:53:08,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:53:08" (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 14:53:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-10 14:53:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-10 14:53:09,638 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-10 14:53:09,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:53:09 BoogieIcfgContainer [2018-10-10 14:53:09,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-10 14:53:09,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-10 14:53:09,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-10 14:53:09,643 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-10 14:53:09,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 02:53:08" (1/3) ... [2018-10-10 14:53:09,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ce4e9a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 02:53:09, skipping insertion in model container [2018-10-10 14:53:09,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:53:08" (2/3) ... [2018-10-10 14:53:09,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ce4e9a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 02:53:09, skipping insertion in model container [2018-10-10 14:53:09,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:53:09" (3/3) ... [2018-10-10 14:53:09,647 INFO L112 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength_true-valid-memsafety.c [2018-10-10 14:53:09,657 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-10 14:53:09,665 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2018-10-10 14:53:09,680 INFO L257 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2018-10-10 14:53:09,708 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-10 14:53:09,709 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-10 14:53:09,709 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-10 14:53:09,709 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-10 14:53:09,710 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-10 14:53:09,710 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-10 14:53:09,710 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-10 14:53:09,710 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-10 14:53:09,710 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-10 14:53:09,735 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2018-10-10 14:53:09,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-10 14:53:09,744 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:53:09,746 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] [2018-10-10 14:53:09,748 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:53:09,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:53:09,755 INFO L82 PathProgramCache]: Analyzing trace with hash -736126918, now seen corresponding path program 1 times [2018-10-10 14:53:09,757 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:53:09,758 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:53:09,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:09,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:53:09,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:53:09,893 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 14:53:09,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:53:09,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-10 14:53:09,903 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-10 14:53:09,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-10 14:53:09,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-10 14:53:09,919 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2018-10-10 14:53:09,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:53:09,942 INFO L93 Difference]: Finished difference Result 119 states and 122 transitions. [2018-10-10 14:53:09,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-10 14:53:09,944 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 29 [2018-10-10 14:53:09,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:53:09,956 INFO L225 Difference]: With dead ends: 119 [2018-10-10 14:53:09,956 INFO L226 Difference]: Without dead ends: 114 [2018-10-10 14:53:09,958 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 14:53:09,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-10-10 14:53:09,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-10-10 14:53:09,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-10-10 14:53:10,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 117 transitions. [2018-10-10 14:53:10,002 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 117 transitions. Word has length 29 [2018-10-10 14:53:10,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:53:10,003 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 117 transitions. [2018-10-10 14:53:10,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-10 14:53:10,003 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 117 transitions. [2018-10-10 14:53:10,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-10 14:53:10,004 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:53:10,005 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] [2018-10-10 14:53:10,005 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:53:10,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:53:10,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1649506710, now seen corresponding path program 1 times [2018-10-10 14:53:10,009 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:53:10,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:53:10,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:10,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:53:10,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:53:10,119 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 14:53:10,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:53:10,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-10 14:53:10,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-10 14:53:10,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-10 14:53:10,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-10 14:53:10,122 INFO L87 Difference]: Start difference. First operand 114 states and 117 transitions. Second operand 3 states. [2018-10-10 14:53:10,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:53:10,441 INFO L93 Difference]: Finished difference Result 195 states and 199 transitions. [2018-10-10 14:53:10,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-10 14:53:10,442 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-10-10 14:53:10,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:53:10,445 INFO L225 Difference]: With dead ends: 195 [2018-10-10 14:53:10,445 INFO L226 Difference]: Without dead ends: 195 [2018-10-10 14:53:10,446 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 14:53:10,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-10-10 14:53:10,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 118. [2018-10-10 14:53:10,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-10-10 14:53:10,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 121 transitions. [2018-10-10 14:53:10,459 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 121 transitions. Word has length 30 [2018-10-10 14:53:10,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:53:10,460 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 121 transitions. [2018-10-10 14:53:10,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-10 14:53:10,460 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 121 transitions. [2018-10-10 14:53:10,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-10 14:53:10,461 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:53:10,462 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] [2018-10-10 14:53:10,462 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:53:10,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:53:10,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1369590249, now seen corresponding path program 1 times [2018-10-10 14:53:10,463 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:53:10,463 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:53:10,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:10,464 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:53:10,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:53:10,828 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 14:53:10,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:53:10,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-10 14:53:10,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-10 14:53:10,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-10 14:53:10,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-10 14:53:10,830 INFO L87 Difference]: Start difference. First operand 118 states and 121 transitions. Second operand 6 states. [2018-10-10 14:53:11,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:53:11,214 INFO L93 Difference]: Finished difference Result 251 states and 256 transitions. [2018-10-10 14:53:11,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 14:53:11,215 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2018-10-10 14:53:11,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:53:11,218 INFO L225 Difference]: With dead ends: 251 [2018-10-10 14:53:11,218 INFO L226 Difference]: Without dead ends: 251 [2018-10-10 14:53:11,219 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-10-10 14:53:11,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-10-10 14:53:11,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 130. [2018-10-10 14:53:11,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-10-10 14:53:11,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 133 transitions. [2018-10-10 14:53:11,232 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 133 transitions. Word has length 37 [2018-10-10 14:53:11,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:53:11,233 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 133 transitions. [2018-10-10 14:53:11,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-10 14:53:11,234 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 133 transitions. [2018-10-10 14:53:11,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-10 14:53:11,235 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:53:11,235 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:53:11,236 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:53:11,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:53:11,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1291467713, now seen corresponding path program 1 times [2018-10-10 14:53:11,237 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:53:11,237 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:53:11,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:11,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:53:11,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:53:11,333 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 14:53:11,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:53:11,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-10 14:53:11,334 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-10 14:53:11,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-10 14:53:11,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-10 14:53:11,335 INFO L87 Difference]: Start difference. First operand 130 states and 133 transitions. Second operand 5 states. [2018-10-10 14:53:11,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:53:11,786 INFO L93 Difference]: Finished difference Result 136 states and 139 transitions. [2018-10-10 14:53:11,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-10 14:53:11,786 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2018-10-10 14:53:11,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:53:11,789 INFO L225 Difference]: With dead ends: 136 [2018-10-10 14:53:11,789 INFO L226 Difference]: Without dead ends: 136 [2018-10-10 14:53:11,792 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 14:53:11,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-10-10 14:53:11,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 129. [2018-10-10 14:53:11,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-10-10 14:53:11,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 132 transitions. [2018-10-10 14:53:11,814 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 132 transitions. Word has length 44 [2018-10-10 14:53:11,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:53:11,815 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 132 transitions. [2018-10-10 14:53:11,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-10 14:53:11,817 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 132 transitions. [2018-10-10 14:53:11,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-10 14:53:11,818 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:53:11,818 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:53:11,819 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:53:11,819 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:53:11,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1380793324, now seen corresponding path program 1 times [2018-10-10 14:53:11,824 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:53:11,824 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:53:11,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:11,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:53:11,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:53:12,251 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 14:53:12,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-10 14:53:12,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-10 14:53:12,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-10 14:53:12,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-10 14:53:12,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-10-10 14:53:12,253 INFO L87 Difference]: Start difference. First operand 129 states and 132 transitions. Second operand 8 states. [2018-10-10 14:53:12,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:53:12,753 INFO L93 Difference]: Finished difference Result 278 states and 286 transitions. [2018-10-10 14:53:12,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-10 14:53:12,754 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45 [2018-10-10 14:53:12,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:53:12,756 INFO L225 Difference]: With dead ends: 278 [2018-10-10 14:53:12,756 INFO L226 Difference]: Without dead ends: 278 [2018-10-10 14:53:12,757 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2018-10-10 14:53:12,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-10-10 14:53:12,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 138. [2018-10-10 14:53:12,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-10-10 14:53:12,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 141 transitions. [2018-10-10 14:53:12,770 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 141 transitions. Word has length 45 [2018-10-10 14:53:12,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:53:12,770 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 141 transitions. [2018-10-10 14:53:12,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-10 14:53:12,771 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 141 transitions. [2018-10-10 14:53:12,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-10 14:53:12,774 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:53:12,774 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:53:12,774 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:53:12,775 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:53:12,776 INFO L82 PathProgramCache]: Analyzing trace with hash -935797329, now seen corresponding path program 1 times [2018-10-10 14:53:12,776 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:53:12,776 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:53:12,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:12,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:53:12,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:53:12,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:53:12,892 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-10 14:53:12,892 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 14:53:12,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:53:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:53:12,974 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:53:13,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:53:13,066 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-10 14:53:13,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2018-10-10 14:53:13,108 WARN L240 PathProgramDumper]: Writing path program to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/dump/ArraysOfVariableLength_true-valid-memsafety.c_6.bpl [2018-10-10 14:53:13,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-10 14:53:13,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-10 14:53:13,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-10-10 14:53:13,114 INFO L87 Difference]: Start difference. First operand 138 states and 141 transitions. Second operand 7 states. [2018-10-10 14:53:13,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:53:13,290 INFO L93 Difference]: Finished difference Result 225 states and 229 transitions. [2018-10-10 14:53:13,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-10 14:53:13,293 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2018-10-10 14:53:13,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:53:13,297 INFO L225 Difference]: With dead ends: 225 [2018-10-10 14:53:13,297 INFO L226 Difference]: Without dead ends: 225 [2018-10-10 14:53:13,298 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:53:13,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-10-10 14:53:13,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 149. [2018-10-10 14:53:13,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-10-10 14:53:13,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 152 transitions. [2018-10-10 14:53:13,318 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 152 transitions. Word has length 62 [2018-10-10 14:53:13,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:53:13,318 INFO L481 AbstractCegarLoop]: Abstraction has 149 states and 152 transitions. [2018-10-10 14:53:13,318 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-10 14:53:13,321 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 152 transitions. [2018-10-10 14:53:13,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-10 14:53:13,322 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:53:13,322 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:53:13,323 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:53:13,323 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:53:13,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1092301790, now seen corresponding path program 1 times [2018-10-10 14:53:13,324 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:53:13,326 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:53:13,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:13,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:53:13,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:53:13,774 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:53:13,774 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-10 14:53:13,774 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-10 14:53:13,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:53:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:53:13,818 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:53:13,884 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:53:13,905 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-10 14:53:13,905 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2018-10-10 14:53:13,926 WARN L240 PathProgramDumper]: Writing path program to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/dump/ArraysOfVariableLength_true-valid-memsafety.c_7.bpl [2018-10-10 14:53:13,927 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-10 14:53:13,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-10 14:53:13,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-10-10 14:53:13,931 INFO L87 Difference]: Start difference. First operand 149 states and 152 transitions. Second operand 10 states. [2018-10-10 14:53:14,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:53:14,405 INFO L93 Difference]: Finished difference Result 296 states and 300 transitions. [2018-10-10 14:53:14,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-10 14:53:14,407 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2018-10-10 14:53:14,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:53:14,409 INFO L225 Difference]: With dead ends: 296 [2018-10-10 14:53:14,409 INFO L226 Difference]: Without dead ends: 296 [2018-10-10 14:53:14,410 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-10-10 14:53:14,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2018-10-10 14:53:14,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 152. [2018-10-10 14:53:14,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-10-10 14:53:14,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 156 transitions. [2018-10-10 14:53:14,416 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 156 transitions. Word has length 69 [2018-10-10 14:53:14,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:53:14,417 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 156 transitions. [2018-10-10 14:53:14,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-10 14:53:14,417 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 156 transitions. [2018-10-10 14:53:14,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-10 14:53:14,419 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:53:14,419 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:53:14,419 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:53:14,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:53:14,420 INFO L82 PathProgramCache]: Analyzing trace with hash 2090473847, now seen corresponding path program 1 times [2018-10-10 14:53:14,420 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:53:14,420 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:53:14,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:14,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:53:14,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:53:14,555 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-10 14:53:14,556 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-10 14:53:14,556 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-10 14:53:14,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:53:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:53:14,605 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:53:14,642 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 14:53:14,644 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:53:14,655 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-10 14:53:14,656 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-10-10 14:53:14,675 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-10 14:53:14,696 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-10 14:53:14,696 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-10-10 14:53:14,713 WARN L240 PathProgramDumper]: Writing path program to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/dump/ArraysOfVariableLength_true-valid-memsafety.c_8.bpl [2018-10-10 14:53:14,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-10 14:53:14,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-10 14:53:14,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-10 14:53:14,715 INFO L87 Difference]: Start difference. First operand 152 states and 156 transitions. Second operand 7 states. [2018-10-10 14:53:15,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:53:15,056 INFO L93 Difference]: Finished difference Result 191 states and 197 transitions. [2018-10-10 14:53:15,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-10 14:53:15,057 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2018-10-10 14:53:15,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:53:15,058 INFO L225 Difference]: With dead ends: 191 [2018-10-10 14:53:15,058 INFO L226 Difference]: Without dead ends: 191 [2018-10-10 14:53:15,059 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-10-10 14:53:15,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-10-10 14:53:15,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 150. [2018-10-10 14:53:15,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-10-10 14:53:15,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions. [2018-10-10 14:53:15,063 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 72 [2018-10-10 14:53:15,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:53:15,064 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions. [2018-10-10 14:53:15,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-10 14:53:15,064 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2018-10-10 14:53:15,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-10 14:53:15,065 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:53:15,066 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:53:15,066 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:53:15,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:53:15,067 INFO L82 PathProgramCache]: Analyzing trace with hash 380179905, now seen corresponding path program 1 times [2018-10-10 14:53:15,067 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:53:15,067 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:53:15,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:15,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:53:15,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:53:15,531 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:53:15,531 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-10 14:53:15,531 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-10 14:53:15,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:53:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:53:15,571 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:53:15,599 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 14:53:15,599 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:53:15,686 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 14:53:15,686 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2018-10-10 14:53:15,952 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-10 14:53:15,973 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-10 14:53:15,973 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 17 [2018-10-10 14:53:15,988 WARN L240 PathProgramDumper]: Writing path program to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/dump/ArraysOfVariableLength_true-valid-memsafety.c_9.bpl [2018-10-10 14:53:15,989 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-10 14:53:15,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-10 14:53:15,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2018-10-10 14:53:15,990 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 18 states. [2018-10-10 14:53:16,949 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2018-10-10 14:53:17,305 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2018-10-10 14:53:17,951 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2018-10-10 14:53:18,322 WARN L178 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2018-10-10 14:53:19,302 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2018-10-10 14:53:21,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:53:21,306 INFO L93 Difference]: Finished difference Result 713 states and 737 transitions. [2018-10-10 14:53:21,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-10-10 14:53:21,306 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 73 [2018-10-10 14:53:21,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:53:21,311 INFO L225 Difference]: With dead ends: 713 [2018-10-10 14:53:21,311 INFO L226 Difference]: Without dead ends: 713 [2018-10-10 14:53:21,313 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1412 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=1221, Invalid=3609, Unknown=0, NotChecked=0, Total=4830 [2018-10-10 14:53:21,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2018-10-10 14:53:21,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 189. [2018-10-10 14:53:21,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-10-10 14:53:21,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 196 transitions. [2018-10-10 14:53:21,321 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 196 transitions. Word has length 73 [2018-10-10 14:53:21,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:53:21,321 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 196 transitions. [2018-10-10 14:53:21,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-10 14:53:21,321 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 196 transitions. [2018-10-10 14:53:21,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-10 14:53:21,323 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:53:21,323 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:53:21,323 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:53:21,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:53:21,324 INFO L82 PathProgramCache]: Analyzing trace with hash -556430629, now seen corresponding path program 1 times [2018-10-10 14:53:21,324 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:53:21,324 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:53:21,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:21,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:53:21,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:53:21,433 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:53:21,434 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-10 14:53:21,434 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-10-10 14:53:21,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-10 14:53:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:53:21,474 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:53:21,556 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 13 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:53:21,579 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-10 14:53:21,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2018-10-10 14:53:21,599 WARN L240 PathProgramDumper]: Writing path program to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/dump/ArraysOfVariableLength_true-valid-memsafety.c_10.bpl [2018-10-10 14:53:21,600 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-10 14:53:21,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-10 14:53:21,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-10-10 14:53:21,601 INFO L87 Difference]: Start difference. First operand 189 states and 196 transitions. Second operand 11 states. [2018-10-10 14:53:21,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:53:21,863 INFO L93 Difference]: Finished difference Result 236 states and 240 transitions. [2018-10-10 14:53:21,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-10 14:53:21,864 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 77 [2018-10-10 14:53:21,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:53:21,866 INFO L225 Difference]: With dead ends: 236 [2018-10-10 14:53:21,866 INFO L226 Difference]: Without dead ends: 236 [2018-10-10 14:53:21,867 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2018-10-10 14:53:21,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-10-10 14:53:21,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 189. [2018-10-10 14:53:21,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-10-10 14:53:21,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 194 transitions. [2018-10-10 14:53:21,872 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 194 transitions. Word has length 77 [2018-10-10 14:53:21,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:53:21,872 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 194 transitions. [2018-10-10 14:53:21,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-10 14:53:21,872 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 194 transitions. [2018-10-10 14:53:21,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-10 14:53:21,873 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:53:21,873 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:53:21,874 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:53:21,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:53:21,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1461595631, now seen corresponding path program 1 times [2018-10-10 14:53:21,874 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:53:21,875 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:53:21,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:21,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:53:21,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:53:22,000 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:53:22,000 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-10 14:53:22,000 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-10 14:53:22,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:53:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:53:22,045 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:53:22,445 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-10 14:53:22,465 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-10 14:53:22,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2018-10-10 14:53:22,484 WARN L240 PathProgramDumper]: Writing path program to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/dump/ArraysOfVariableLength_true-valid-memsafety.c_11.bpl [2018-10-10 14:53:22,485 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-10 14:53:22,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-10 14:53:22,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-10-10 14:53:22,486 INFO L87 Difference]: Start difference. First operand 189 states and 194 transitions. Second operand 15 states. [2018-10-10 14:53:22,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:53:22,965 INFO L93 Difference]: Finished difference Result 299 states and 304 transitions. [2018-10-10 14:53:22,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-10 14:53:22,968 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 87 [2018-10-10 14:53:22,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:53:22,970 INFO L225 Difference]: With dead ends: 299 [2018-10-10 14:53:22,970 INFO L226 Difference]: Without dead ends: 299 [2018-10-10 14:53:22,970 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=222, Invalid=708, Unknown=0, NotChecked=0, Total=930 [2018-10-10 14:53:22,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2018-10-10 14:53:22,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 188. [2018-10-10 14:53:22,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-10-10 14:53:22,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 191 transitions. [2018-10-10 14:53:22,976 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 191 transitions. Word has length 87 [2018-10-10 14:53:22,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:53:22,976 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 191 transitions. [2018-10-10 14:53:22,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-10 14:53:22,977 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 191 transitions. [2018-10-10 14:53:22,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-10 14:53:22,977 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:53:22,978 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:53:22,978 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:53:22,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:53:22,979 INFO L82 PathProgramCache]: Analyzing trace with hash 2143937516, now seen corresponding path program 1 times [2018-10-10 14:53:22,979 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:53:22,979 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:53:22,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:22,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:53:22,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:53:23,190 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-10 14:53:23,190 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-10 14:53:23,190 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-10 14:53:23,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:53:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:53:23,232 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:53:23,246 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 14:53:23,246 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-10 14:53:23,256 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 14:53:23,256 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2018-10-10 14:53:23,405 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-10 14:53:23,426 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-10 14:53:23,426 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2018-10-10 14:53:23,438 WARN L240 PathProgramDumper]: Writing path program to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/dump/ArraysOfVariableLength_true-valid-memsafety.c_12.bpl [2018-10-10 14:53:23,439 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-10 14:53:23,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-10 14:53:23,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2018-10-10 14:53:23,439 INFO L87 Difference]: Start difference. First operand 188 states and 191 transitions. Second operand 12 states. [2018-10-10 14:53:23,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:53:23,930 INFO L93 Difference]: Finished difference Result 334 states and 342 transitions. [2018-10-10 14:53:23,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-10 14:53:23,930 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 95 [2018-10-10 14:53:23,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:53:23,932 INFO L225 Difference]: With dead ends: 334 [2018-10-10 14:53:23,933 INFO L226 Difference]: Without dead ends: 334 [2018-10-10 14:53:23,933 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2018-10-10 14:53:23,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2018-10-10 14:53:23,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 197. [2018-10-10 14:53:23,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-10-10 14:53:23,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 200 transitions. [2018-10-10 14:53:23,938 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 200 transitions. Word has length 95 [2018-10-10 14:53:23,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:53:23,939 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 200 transitions. [2018-10-10 14:53:23,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-10 14:53:23,939 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 200 transitions. [2018-10-10 14:53:23,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-10 14:53:23,940 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:53:23,941 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:53:23,941 INFO L424 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:53:23,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:53:23,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1209475796, now seen corresponding path program 1 times [2018-10-10 14:53:23,942 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:53:23,942 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:53:23,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:23,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:53:23,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:53:24,423 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-10 14:53:24,424 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-10 14:53:24,424 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-10 14:53:24,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:53:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:53:24,484 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:53:24,660 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-10 14:53:24,681 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-10 14:53:24,681 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2018-10-10 14:53:24,706 WARN L240 PathProgramDumper]: Writing path program to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/dump/ArraysOfVariableLength_true-valid-memsafety.c_13.bpl [2018-10-10 14:53:24,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-10 14:53:24,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-10 14:53:24,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-10-10 14:53:24,707 INFO L87 Difference]: Start difference. First operand 197 states and 200 transitions. Second operand 9 states. [2018-10-10 14:53:25,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-10 14:53:25,621 INFO L93 Difference]: Finished difference Result 284 states and 288 transitions. [2018-10-10 14:53:25,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-10 14:53:25,622 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 130 [2018-10-10 14:53:25,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-10 14:53:25,623 INFO L225 Difference]: With dead ends: 284 [2018-10-10 14:53:25,623 INFO L226 Difference]: Without dead ends: 284 [2018-10-10 14:53:25,623 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2018-10-10 14:53:25,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2018-10-10 14:53:25,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 208. [2018-10-10 14:53:25,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-10-10 14:53:25,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 211 transitions. [2018-10-10 14:53:25,628 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 211 transitions. Word has length 130 [2018-10-10 14:53:25,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-10 14:53:25,629 INFO L481 AbstractCegarLoop]: Abstraction has 208 states and 211 transitions. [2018-10-10 14:53:25,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-10 14:53:25,629 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 211 transitions. [2018-10-10 14:53:25,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-10 14:53:25,630 INFO L367 BasicCegarLoop]: Found error trace [2018-10-10 14:53:25,630 INFO L375 BasicCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-10 14:53:25,631 INFO L424 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-10 14:53:25,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-10 14:53:25,631 INFO L82 PathProgramCache]: Analyzing trace with hash -132907065, now seen corresponding path program 2 times [2018-10-10 14:53:25,631 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-10 14:53:25,632 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-10 14:53:25,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:25,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-10 14:53:25,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-10 14:53:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-10 14:53:25,842 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 5 proven. 85 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-10 14:53:25,843 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-10 14:53:25,843 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-10 14:53:25,850 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-10 14:53:25,890 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-10 14:53:25,890 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-10 14:53:25,892 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-10 14:53:26,038 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-10-10 14:53:26,060 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-10 14:53:26,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2018-10-10 14:53:26,061 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-10 14:53:26,066 WARN L205 ceAbstractionStarter]: Timeout [2018-10-10 14:53:26,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 02:53:26 BoogieIcfgContainer [2018-10-10 14:53:26,066 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-10 14:53:26,067 INFO L168 Benchmark]: Toolchain (without parser) took 17544.35 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.0 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -854.5 MB). Peak memory consumption was 167.4 MB. Max. memory is 7.1 GB. [2018-10-10 14:53:26,068 INFO L168 Benchmark]: CDTParser took 0.26 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 14:53:26,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.80 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 14:53:26,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.03 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 14:53:26,070 INFO L168 Benchmark]: Boogie Preprocessor took 31.40 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 14:53:26,071 INFO L168 Benchmark]: RCFGBuilder took 778.39 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 758.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -794.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2018-10-10 14:53:26,071 INFO L168 Benchmark]: TraceAbstraction took 16426.84 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 263.7 MB). Free memory was 2.2 GB in the beginning and 2.3 GB in the end (delta: -70.8 MB). Peak memory consumption was 192.9 MB. Max. memory is 7.1 GB. [2018-10-10 14:53:26,076 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 260.80 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 42.03 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 31.40 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 778.39 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 758.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -794.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16426.84 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 263.7 MB). Free memory was 2.2 GB in the beginning and 2.3 GB in the end (delta: -70.8 MB). Peak memory consumption was 192.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 14). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 14). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 14). - TimeoutResultAtElement [Line: 15]: Timeout (TraceAbstraction) Unable to prove that array index is always in bounds (line 15). Cancelled while PathProgramDumpController was trying to verify (iteration 14). - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 20). Cancelled while PathProgramDumpController was trying to verify (iteration 14). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 14). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 14). - TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 14). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 8 error locations. TIMEOUT Result, 16.3s OverallTime, 14 OverallIterations, 5 TraceHistogramMax, 10.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1567 SDtfs, 10871 SDslu, 5758 SDs, 0 SdLazy, 1973 SolverSat, 235 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 865 GetRequests, 652 SyntacticMatches, 6 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1765 ImplicationChecksByTransitivity, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=208occurred in iteration=13, 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: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 1501 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 1515 NumberOfCodeBlocks, 1515 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1494 ConstructedInterpolants, 0 QuantifiedInterpolants, 542620 SizeOfPredicates, 51 NumberOfNonLiveVariables, 1212 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 21 InterpolantComputations, 5 PerfectInterpolantSequences, 62/318 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Received shutdown request...