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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loops/while_infinite_loop_4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 15:37:32,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 15:37:32,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 15:37:32,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 15:37:32,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 15:37:32,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 15:37:32,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 15:37:32,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 15:37:32,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 15:37:32,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 15:37:32,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 15:37:32,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 15:37:32,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 15:37:32,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 15:37:32,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 15:37:32,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 15:37:32,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 15:37:32,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 15:37:32,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 15:37:32,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 15:37:32,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 15:37:32,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 15:37:32,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 15:37:32,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 15:37:32,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 15:37:32,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 15:37:32,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 15:37:32,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 15:37:32,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 15:37:32,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 15:37:32,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 15:37:32,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 15:37:32,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 15:37:32,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 15:37:32,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 15:37:32,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 15:37:32,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 15:37:32,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 15:37:32,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 15:37:32,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 15:37:32,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 15:37:32,751 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 [2019-09-25 15:37:32,765 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 15:37:32,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 15:37:32,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 15:37:32,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 15:37:32,767 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 15:37:32,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 15:37:32,767 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 15:37:32,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 15:37:32,768 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 15:37:32,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 15:37:32,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 15:37:32,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 15:37:32,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 15:37:32,769 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 15:37:32,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 15:37:32,769 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 15:37:32,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 15:37:32,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 15:37:32,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 15:37:32,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 15:37:32,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 15:37:32,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:37:32,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 15:37:32,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 15:37:32,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 15:37:32,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 15:37:32,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 15:37:32,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 15:37:32,772 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 15:37:32,803 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 15:37:32,816 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 15:37:32,820 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 15:37:32,821 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 15:37:32,822 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 15:37:32,823 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/while_infinite_loop_4.c [2019-09-25 15:37:32,888 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f130b7fa/136fb3ec971c480f882c20a8219e85ce/FLAG13a2ee337 [2019-09-25 15:37:33,313 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 15:37:33,314 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/while_infinite_loop_4.c [2019-09-25 15:37:33,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f130b7fa/136fb3ec971c480f882c20a8219e85ce/FLAG13a2ee337 [2019-09-25 15:37:33,729 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f130b7fa/136fb3ec971c480f882c20a8219e85ce [2019-09-25 15:37:33,740 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 15:37:33,741 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 15:37:33,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 15:37:33,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 15:37:33,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 15:37:33,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:37:33" (1/1) ... [2019-09-25 15:37:33,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63923cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:33, skipping insertion in model container [2019-09-25 15:37:33,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:37:33" (1/1) ... [2019-09-25 15:37:33,759 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 15:37:33,777 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 15:37:33,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:37:33,951 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 15:37:33,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:37:33,975 INFO L192 MainTranslator]: Completed translation [2019-09-25 15:37:33,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:33 WrapperNode [2019-09-25 15:37:33,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 15:37:33,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 15:37:33,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 15:37:33,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 15:37:34,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:33" (1/1) ... [2019-09-25 15:37:34,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:33" (1/1) ... [2019-09-25 15:37:34,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:33" (1/1) ... [2019-09-25 15:37:34,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:33" (1/1) ... [2019-09-25 15:37:34,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:33" (1/1) ... [2019-09-25 15:37:34,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:33" (1/1) ... [2019-09-25 15:37:34,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:33" (1/1) ... [2019-09-25 15:37:34,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 15:37:34,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 15:37:34,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 15:37:34,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 15:37:34,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:33" (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 [2019-09-25 15:37:34,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 15:37:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 15:37:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-25 15:37:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-25 15:37:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 15:37:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 15:37:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-25 15:37:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-25 15:37:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 15:37:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 15:37:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 15:37:34,307 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 15:37:34,308 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-25 15:37:34,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:37:34 BoogieIcfgContainer [2019-09-25 15:37:34,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 15:37:34,310 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 15:37:34,310 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 15:37:34,310 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 15:37:34,311 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:37:34" (1/1) ... [2019-09-25 15:37:34,312 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 15:37:34,333 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 15:37:34,334 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 15:37:34,343 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 15:37:34,350 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 15:37:34,352 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 15:37:34,463 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 6 for LOIs [2019-09-25 15:37:34,572 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 12 for LOIs [2019-09-25 15:37:34,605 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 15:37:34,605 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 15:37:34,608 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 45#(or (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 ~x~0)) (= 0 __VERIFIER_assert_~cond) (= 1 ~x~0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= 0 ~x~0) (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= 1 ~x~0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) [2019-09-25 15:37:34,624 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 15:37:34,624 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 15:37:34,627 INFO L168 Benchmark]: Toolchain (without parser) took 884.66 ms. Allocated memory was 138.9 MB in the beginning and 198.2 MB in the end (delta: 59.2 MB). Free memory was 86.1 MB in the beginning and 151.6 MB in the end (delta: -65.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-25 15:37:34,629 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 15:37:34,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.33 ms. Allocated memory is still 138.9 MB. Free memory was 85.9 MB in the beginning and 76.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-25 15:37:34,631 INFO L168 Benchmark]: Boogie Preprocessor took 108.16 ms. Allocated memory was 138.9 MB in the beginning and 198.2 MB in the end (delta: 59.2 MB). Free memory was 76.7 MB in the beginning and 176.1 MB in the end (delta: -99.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-09-25 15:37:34,633 INFO L168 Benchmark]: RCFGBuilder took 224.84 ms. Allocated memory is still 198.2 MB. Free memory was 176.1 MB in the beginning and 163.7 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2019-09-25 15:37:34,634 INFO L168 Benchmark]: Sifa took 314.54 ms. Allocated memory is still 198.2 MB. Free memory was 163.7 MB in the beginning and 151.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-09-25 15:37:34,640 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 233.33 ms. Allocated memory is still 138.9 MB. Free memory was 85.9 MB in the beginning and 76.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.16 ms. Allocated memory was 138.9 MB in the beginning and 198.2 MB in the end (delta: 59.2 MB). Free memory was 76.7 MB in the beginning and 176.1 MB in the end (delta: -99.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 224.84 ms. Allocated memory is still 198.2 MB. Free memory was 176.1 MB in the beginning and 163.7 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * Sifa took 314.54 ms. Allocated memory is still 198.2 MB. Free memory was 163.7 MB in the beginning and 151.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 275, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 24, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 14, TOOLS_POST_TIME[ms]: 4, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 42, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 17, TOOLS_QUANTIFIERELIM_APPLICATIONS: 27, TOOLS_QUANTIFIERELIM_TIME[ms]: 48, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 25, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 8, DOMAIN_JOIN_TIME[ms]: 119, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 4, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 7, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 51, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 51, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME[ms]: 71, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 70, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 21, DAG_COMPRESSION_PROCESSED_NODES: 62, DAG_COMPRESSION_RETAINED_NODES: 37 - UnprovableResult [Line: 5]: 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 45#(or (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 ~x~0)) (= 0 __VERIFIER_assert_~cond) (= 1 ~x~0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= 0 ~x~0) (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= 1 ~x~0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...