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.4.3.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 12:59:45,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 12:59:45,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 12:59:46,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 12:59:46,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 12:59:46,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 12:59:46,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 12:59:46,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 12:59:46,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 12:59:46,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 12:59:46,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 12:59:46,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 12:59:46,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 12:59:46,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 12:59:46,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 12:59:46,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 12:59:46,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 12:59:46,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 12:59:46,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 12:59:46,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 12:59:46,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 12:59:46,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 12:59:46,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 12:59:46,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 12:59:46,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 12:59:46,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 12:59:46,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 12:59:46,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 12:59:46,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 12:59:46,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 12:59:46,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 12:59:46,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 12:59:46,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 12:59:46,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 12:59:46,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 12:59:46,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 12:59:46,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 12:59:46,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 12:59:46,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 12:59:46,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 12:59:46,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 12:59:46,044 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 12:59:46,060 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 12:59:46,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 12:59:46,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 12:59:46,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 12:59:46,063 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 12:59:46,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 12:59:46,064 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 12:59:46,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 12:59:46,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 12:59:46,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 12:59:46,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 12:59:46,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 12:59:46,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 12:59:46,065 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 12:59:46,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 12:59:46,066 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 12:59:46,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 12:59:46,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 12:59:46,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 12:59:46,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 12:59:46,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 12:59:46,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 12:59:46,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 12:59:46,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 12:59:46,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 12:59:46,069 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 12:59:46,069 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 12:59:46,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 12:59:46,070 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 12:59:46,119 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 12:59:46,132 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 12:59:46,136 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 12:59:46,138 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 12:59:46,138 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 12:59:46,139 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-09-06 12:59:46,212 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c109fec9/b36d76c4557a40789f8acb30db768679/FLAG72d84340b [2019-09-06 12:59:46,812 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 12:59:46,813 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-09-06 12:59:46,827 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c109fec9/b36d76c4557a40789f8acb30db768679/FLAG72d84340b [2019-09-06 12:59:47,062 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c109fec9/b36d76c4557a40789f8acb30db768679 [2019-09-06 12:59:47,075 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 12:59:47,079 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 12:59:47,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 12:59:47,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 12:59:47,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 12:59:47,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:59:47" (1/1) ... [2019-09-06 12:59:47,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f674b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:59:47, skipping insertion in model container [2019-09-06 12:59:47,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:59:47" (1/1) ... [2019-09-06 12:59:47,097 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 12:59:47,177 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 12:59:47,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 12:59:47,664 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 12:59:47,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 12:59:47,814 INFO L192 MainTranslator]: Completed translation [2019-09-06 12:59:47,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:59:47 WrapperNode [2019-09-06 12:59:47,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 12:59:47,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 12:59:47,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 12:59:47,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 12:59:47,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:59:47" (1/1) ... [2019-09-06 12:59:47,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:59:47" (1/1) ... [2019-09-06 12:59:47,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:59:47" (1/1) ... [2019-09-06 12:59:47,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:59:47" (1/1) ... [2019-09-06 12:59:47,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:59:47" (1/1) ... [2019-09-06 12:59:47,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:59:47" (1/1) ... [2019-09-06 12:59:47,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:59:47" (1/1) ... [2019-09-06 12:59:47,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 12:59:47,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 12:59:47,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 12:59:47,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 12:59:47,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:59:47" (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 12:59:47,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 12:59:47,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 12:59:47,989 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 12:59:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 12:59:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 12:59:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 12:59:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 12:59:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 12:59:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 12:59:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 12:59:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 12:59:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 12:59:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 12:59:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-06 12:59:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 12:59:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 12:59:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 12:59:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 12:59:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 12:59:49,510 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 12:59:49,510 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 12:59:49,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:59:49 BoogieIcfgContainer [2019-09-06 12:59:49,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 12:59:49,513 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 12:59:49,513 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 12:59:49,514 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 12:59:49,515 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:59:49" (1/1) ... [2019-09-06 12:59:49,515 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 12:59:49,552 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 12:59:49,552 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 12:59:49,564 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 12:59:49,573 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 12:59:49,575 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 12:59:49,780 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 381 for LOIs [2019-09-06 13:10:00,602 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 13:10:00,603 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 13:10:00,605 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 325314#(and (<= 0 main_~check__tmp~0) (<= ~__return_4869~0 1) (<= main_~assert__arg~0 1) (<= ~mode4~0 1) (<= main_~main__c1~0 1) (<= main_~check__tmp~0 1) (<= main_~__tmp_1~0 1) (<= 0 ~__return_4869~0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 0 main_~__tmp_1~0) (<= 0 main_~assert__arg~0)) [2019-09-06 13:10:00,633 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 13:10:00,634 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 13:10:00,637 INFO L168 Benchmark]: Toolchain (without parser) took 613558.76 ms. Allocated memory was 141.0 MB in the beginning and 3.5 GB in the end (delta: 3.4 GB). Free memory was 86.6 MB in the beginning and 1.8 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2019-09-06 13:10:00,638 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-09-06 13:10:00,639 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.67 ms. Allocated memory was 141.0 MB in the beginning and 201.9 MB in the end (delta: 60.8 MB). Free memory was 86.4 MB in the beginning and 164.2 MB in the end (delta: -77.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2019-09-06 13:10:00,640 INFO L168 Benchmark]: Boogie Preprocessor took 90.71 ms. Allocated memory is still 201.9 MB. Free memory was 164.2 MB in the beginning and 159.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-09-06 13:10:00,641 INFO L168 Benchmark]: RCFGBuilder took 1605.80 ms. Allocated memory was 201.9 MB in the beginning and 228.6 MB in the end (delta: 26.7 MB). Free memory was 159.3 MB in the beginning and 159.6 MB in the end (delta: -346.5 kB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2019-09-06 13:10:00,642 INFO L168 Benchmark]: Sifa took 611121.10 ms. Allocated memory was 228.6 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 159.6 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2019-09-06 13:10:00,646 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 733.67 ms. Allocated memory was 141.0 MB in the beginning and 201.9 MB in the end (delta: 60.8 MB). Free memory was 86.4 MB in the beginning and 164.2 MB in the end (delta: -77.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.71 ms. Allocated memory is still 201.9 MB. Free memory was 164.2 MB in the beginning and 159.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1605.80 ms. Allocated memory was 201.9 MB in the beginning and 228.6 MB in the end (delta: 26.7 MB). Free memory was 159.3 MB in the beginning and 159.6 MB in the end (delta: -346.5 kB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. * Sifa took 611121.10 ms. Allocated memory was 228.6 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 159.6 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.6 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]: 611054, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 223326, DAG_INTERPRETER_EARLY_EXITS: 4947, TOOLS_POST_APPLICATIONS: 219164, TOOLS_POST_TIME[ms]: 93288, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 89, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 29, TOOLS_QUANTIFIERELIM_TIME[ms]: 54820, FLUID_QUERY_TIME[ms]: 4632, FLUID_QUERIES: 223328, FLUID_YES_ANSWERS: 307, DOMAIN_JOIN_APPLICATIONS: 105837, DOMAIN_JOIN_TIME[ms]: 112664, DOMAIN_ALPHA_APPLICATIONS: 307, DOMAIN_ALPHA_TIME[ms]: 17118, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 2, DOMAIN_ISBOTTOM_APPLICATIONS: 94081, DOMAIN_ISBOTTOM_TIME[ms]: 274232, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 112208, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 112203, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 52, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 67, REGEX_TO_DAG_TIME[ms]: 10651, DAG_COMPRESSION_TIME[ms]: 83177, 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) (<= ~__return_4869~0 1) (<= main_~assert__arg~0 1) (<= ~mode4~0 1) (<= main_~main__c1~0 1) (<= main_~check__tmp~0 1) (<= main_~__tmp_1~0 1) (<= 0 ~__return_4869~0) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 0 main_~__tmp_1~0) (<= 0 main_~assert__arg~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...