java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 12:56:28,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 12:56:28,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 12:56:28,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 12:56:28,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 12:56:28,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 12:56:28,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 12:56:28,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 12:56:28,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 12:56:28,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 12:56:28,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 12:56:28,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 12:56:28,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 12:56:28,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 12:56:28,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 12:56:28,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 12:56:28,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 12:56:28,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 12:56:28,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 12:56:28,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 12:56:28,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 12:56:28,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 12:56:28,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 12:56:28,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 12:56:28,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 12:56:28,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 12:56:28,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 12:56:28,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 12:56:28,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 12:56:28,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 12:56:28,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 12:56:28,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 12:56:28,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 12:56:28,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 12:56:28,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 12:56:28,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 12:56:28,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 12:56:28,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 12:56:28,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 12:56:28,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 12:56:28,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 12:56:28,740 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-06 12:56:28,755 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 12:56:28,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 12:56:28,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 12:56:28,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 12:56:28,757 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 12:56:28,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 12:56:28,758 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 12:56:28,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 12:56:28,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 12:56:28,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 12:56:28,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 12:56:28,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 12:56:28,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 12:56:28,759 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 12:56:28,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 12:56:28,759 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 12:56:28,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 12:56:28,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 12:56:28,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 12:56:28,760 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 12:56:28,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 12:56:28,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 12:56:28,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 12:56:28,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 12:56:28,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 12:56:28,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 12:56:28,762 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 12:56:28,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 12:56:28,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 12:56:28,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 12:56:28,805 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 12:56:28,808 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 12:56:28,810 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 12:56:28,810 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 12:56:28,811 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-09-06 12:56:28,874 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f580b225/c04fa5a7e08e48208170f4640628c33d/FLAGa7c6c49ce [2019-09-06 12:56:29,392 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 12:56:29,393 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-09-06 12:56:29,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f580b225/c04fa5a7e08e48208170f4640628c33d/FLAGa7c6c49ce [2019-09-06 12:56:29,703 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f580b225/c04fa5a7e08e48208170f4640628c33d [2019-09-06 12:56:29,714 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 12:56:29,716 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 12:56:29,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 12:56:29,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 12:56:29,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 12:56:29,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:56:29" (1/1) ... [2019-09-06 12:56:29,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bec8495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:56:29, skipping insertion in model container [2019-09-06 12:56:29,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:56:29" (1/1) ... [2019-09-06 12:56:29,733 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 12:56:29,804 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 12:56:30,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 12:56:30,322 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 12:56:30,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 12:56:30,485 INFO L192 MainTranslator]: Completed translation [2019-09-06 12:56:30,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:56:30 WrapperNode [2019-09-06 12:56:30,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 12:56:30,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 12:56:30,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 12:56:30,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 12:56:30,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:56:30" (1/1) ... [2019-09-06 12:56:30,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:56:30" (1/1) ... [2019-09-06 12:56:30,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:56:30" (1/1) ... [2019-09-06 12:56:30,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:56:30" (1/1) ... [2019-09-06 12:56:30,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:56:30" (1/1) ... [2019-09-06 12:56:30,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:56:30" (1/1) ... [2019-09-06 12:56:30,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:56:30" (1/1) ... [2019-09-06 12:56:30,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 12:56:30,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 12:56:30,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 12:56:30,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 12:56:30,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:56:30" (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 [2019-09-06 12:56:30,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 12:56:30,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 12:56:30,668 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 12:56:30,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 12:56:30,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 12:56:30,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 12:56:30,670 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 12:56:30,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 12:56:30,671 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 12:56:30,671 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 12:56:30,672 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 12:56:30,673 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 12:56:30,673 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 12:56:30,673 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-06 12:56:30,674 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 12:56:30,675 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 12:56:30,677 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 12:56:30,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 12:56:30,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 12:56:32,275 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 12:56:32,277 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 12:56:32,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:56:32 BoogieIcfgContainer [2019-09-06 12:56:32,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 12:56:32,280 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 12:56:32,280 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 12:56:32,280 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 12:56:32,281 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:56:32" (1/1) ... [2019-09-06 12:56:32,282 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 12:56:32,334 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 12:56:32,335 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 12:56:32,361 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 12:56:32,379 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 12:56:32,381 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 12:56:32,540 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 381 for LOIs [2019-09-06 13:06:44,569 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 13:06:44,569 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 13:06:44,571 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 325314#(and (<= 0 main_~check__tmp~0) (<= main_~assert__arg~0 1) (<= ~mode4~0 1) (<= main_~main__c1~0 1) (<= main_~check__tmp~0 1) (<= ~__return_3388~0 1) (<= main_~__tmp_1~0 1) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 0 main_~__tmp_1~0) (<= 0 ~__return_3388~0) (<= 0 main_~assert__arg~0)) [2019-09-06 13:06:44,598 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 13:06:44,599 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 13:06:44,601 INFO L168 Benchmark]: Toolchain (without parser) took 614884.74 ms. Allocated memory was 133.2 MB in the beginning and 4.0 GB in the end (delta: 3.9 GB). Free memory was 86.2 MB in the beginning and 828.8 MB in the end (delta: -742.5 MB). Peak memory consumption was 3.2 GB. Max. memory is 7.1 GB. [2019-09-06 13:06:44,602 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 13:06:44,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 769.03 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 86.0 MB in the beginning and 161.0 MB in the end (delta: -75.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. [2019-09-06 13:06:44,604 INFO L168 Benchmark]: Boogie Preprocessor took 95.81 ms. Allocated memory is still 200.3 MB. Free memory was 161.0 MB in the beginning and 156.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-06 13:06:44,605 INFO L168 Benchmark]: RCFGBuilder took 1696.50 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 156.5 MB in the beginning and 158.3 MB in the end (delta: -1.8 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. [2019-09-06 13:06:44,606 INFO L168 Benchmark]: Sifa took 612319.42 ms. Allocated memory was 224.9 MB in the beginning and 4.0 GB in the end (delta: 3.8 GB). Free memory was 158.3 MB in the beginning and 828.8 MB in the end (delta: -670.5 MB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. [2019-09-06 13:06:44,610 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 769.03 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 86.0 MB in the beginning and 161.0 MB in the end (delta: -75.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.81 ms. Allocated memory is still 200.3 MB. Free memory was 161.0 MB in the beginning and 156.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1696.50 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 156.5 MB in the beginning and 158.3 MB in the end (delta: -1.8 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. * Sifa took 612319.42 ms. Allocated memory was 224.9 MB in the beginning and 4.0 GB in the end (delta: 3.8 GB). Free memory was 158.3 MB in the beginning and 828.8 MB in the end (delta: -670.5 MB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 612237, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 223326, DAG_INTERPRETER_EARLY_EXITS: 4947, TOOLS_POST_APPLICATIONS: 219164, TOOLS_POST_TIME[ms]: 93731, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 77, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 11, TOOLS_QUANTIFIERELIM_TIME[ms]: 54518, FLUID_QUERY_TIME[ms]: 4274, FLUID_QUERIES: 223328, FLUID_YES_ANSWERS: 307, DOMAIN_JOIN_APPLICATIONS: 105837, DOMAIN_JOIN_TIME[ms]: 111085, DOMAIN_ALPHA_APPLICATIONS: 307, DOMAIN_ALPHA_TIME[ms]: 17079, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 2, DOMAIN_ISBOTTOM_APPLICATIONS: 94081, DOMAIN_ISBOTTOM_TIME[ms]: 272915, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 111974, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 111969, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 40, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 67, REGEX_TO_DAG_TIME[ms]: 10770, DAG_COMPRESSION_TIME[ms]: 82852, DAG_COMPRESSION_PROCESSED_NODES: 5790202, DAG_COMPRESSION_RETAINED_NODES: 1615883 - UnprovableResult [Line: 665]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 325314#(and (<= 0 main_~check__tmp~0) (<= main_~assert__arg~0 1) (<= ~mode4~0 1) (<= main_~main__c1~0 1) (<= main_~check__tmp~0 1) (<= ~__return_3388~0 1) (<= main_~__tmp_1~0 1) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 0 main_~__tmp_1~0) (<= 0 ~__return_3388~0) (<= 0 main_~assert__arg~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...