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/loops/while_infinite_loop_4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 16:50:35,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 16:50:35,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 16:50:35,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-03 16:50:35,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-03 16:50:35,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-03 16:50:35,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-03 16:50:35,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-03 16:50:35,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-03 16:50:35,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-03 16:50:35,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-03 16:50:35,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-03 16:50:35,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 16:50:35,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 16:50:35,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 16:50:35,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 16:50:35,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 16:50:35,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 16:50:35,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 16:50:35,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 16:50:35,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 16:50:35,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 16:50:35,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 16:50:35,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 16:50:35,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 16:50:35,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 16:50:35,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 16:50:35,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 16:50:35,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 16:50:35,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 16:50:35,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 16:50:35,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 16:50:35,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 16:50:35,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 16:50:35,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 16:50:35,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 16:50:35,746 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 [2019-09-03 16:50:35,772 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 16:50:35,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 16:50:35,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-03 16:50:35,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-03 16:50:35,775 INFO L138 SettingsManager]: * Use SBE=true [2019-09-03 16:50:35,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 16:50:35,776 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 16:50:35,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-03 16:50:35,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 16:50:35,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 16:50:35,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 16:50:35,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 16:50:35,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 16:50:35,778 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 16:50:35,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 16:50:35,779 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-03 16:50:35,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 16:50:35,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 16:50:35,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 16:50:35,780 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-03 16:50:35,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-03 16:50:35,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 16:50:35,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 16:50:35,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 16:50:35,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-03 16:50:35,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-03 16:50:35,781 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 16:50:35,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 16:50:35,782 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 [2019-09-03 16:50:35,842 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 16:50:35,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 16:50:35,863 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 16:50:35,864 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 16:50:35,865 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 16:50:35,865 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/while_infinite_loop_4.c [2019-09-03 16:50:35,935 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6ee83761/4cdaaf46a938416f998e12d063928a77/FLAG39c6ab73b [2019-09-03 16:50:36,426 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 16:50:36,426 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/while_infinite_loop_4.c [2019-09-03 16:50:36,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6ee83761/4cdaaf46a938416f998e12d063928a77/FLAG39c6ab73b [2019-09-03 16:50:36,849 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6ee83761/4cdaaf46a938416f998e12d063928a77 [2019-09-03 16:50:36,860 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 16:50:36,861 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 16:50:36,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 16:50:36,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 16:50:36,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 16:50:36,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 04:50:36" (1/1) ... [2019-09-03 16:50:36,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e9620f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:50:36, skipping insertion in model container [2019-09-03 16:50:36,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 04:50:36" (1/1) ... [2019-09-03 16:50:36,874 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 16:50:36,890 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 16:50:37,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 16:50:37,076 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 16:50:37,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 16:50:37,112 INFO L192 MainTranslator]: Completed translation [2019-09-03 16:50:37,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:50:37 WrapperNode [2019-09-03 16:50:37,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 16:50:37,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 16:50:37,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 16:50:37,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 16:50:37,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:50:37" (1/1) ... [2019-09-03 16:50:37,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:50:37" (1/1) ... [2019-09-03 16:50:37,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:50:37" (1/1) ... [2019-09-03 16:50:37,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:50:37" (1/1) ... [2019-09-03 16:50:37,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:50:37" (1/1) ... [2019-09-03 16:50:37,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:50:37" (1/1) ... [2019-09-03 16:50:37,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:50:37" (1/1) ... [2019-09-03 16:50:37,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 16:50:37,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 16:50:37,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 16:50:37,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 16:50:37,251 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 04:50:37" (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 [2019-09-03 16:50:37,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 16:50:37,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 16:50:37,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 16:50:37,301 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-03 16:50:37,301 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 16:50:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 16:50:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 16:50:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-03 16:50:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 16:50:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 16:50:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 16:50:37,453 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 16:50:37,453 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-03 16:50:37,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 04:50:37 BoogieIcfgContainer [2019-09-03 16:50:37,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 16:50:37,456 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-03 16:50:37,456 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-03 16:50:37,456 INFO L275 PluginConnector]: Sifa initialized [2019-09-03 16:50:37,457 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 04:50:37" (1/1) ... [2019-09-03 16:50:37,459 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 [2019-09-03 16:50:37,530 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-03 16:50:37,531 INFO L169 IcfgInterpreter]: Building call graph [2019-09-03 16:50:37,556 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-03 16:50:37,567 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-03 16:50:37,569 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-03 16:50:37,682 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 7 for LOIs [2019-09-03 16:50:37,749 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 9 for LOIs [2019-09-03 16:50:37,752 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-03 16:50:37,753 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-03 16:50:37,755 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 45#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 1 ~x~0) (<= 0 __VERIFIER_assert_~cond) (<= ~x~0 1)) [2019-09-03 16:50:37,768 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-03 16:50:37,769 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-03 16:50:37,771 INFO L168 Benchmark]: Toolchain (without parser) took 909.32 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 85.9 MB in the beginning and 154.1 MB in the end (delta: -68.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-03 16:50:37,772 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 131.1 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 16:50:37,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.77 ms. Allocated memory is still 131.1 MB. Free memory was 85.5 MB in the beginning and 76.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-09-03 16:50:37,774 INFO L168 Benchmark]: Boogie Preprocessor took 136.57 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 76.5 MB in the beginning and 175.0 MB in the end (delta: -98.5 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-09-03 16:50:37,775 INFO L168 Benchmark]: RCFGBuilder took 205.33 ms. Allocated memory is still 198.7 MB. Free memory was 175.0 MB in the beginning and 164.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-09-03 16:50:37,776 INFO L168 Benchmark]: Sifa took 313.30 ms. Allocated memory is still 198.7 MB. Free memory was 164.1 MB in the beginning and 154.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-09-03 16:50:37,780 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 131.1 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 250.77 ms. Allocated memory is still 131.1 MB. Free memory was 85.5 MB in the beginning and 76.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.57 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 76.5 MB in the beginning and 175.0 MB in the end (delta: -98.5 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 205.33 ms. Allocated memory is still 198.7 MB. Free memory was 175.0 MB in the beginning and 164.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Sifa took 313.30 ms. Allocated memory is still 198.7 MB. Free memory was 164.1 MB in the beginning and 154.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 0.2s OVERALL_TIME, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 29 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 1 DAG_INTERPRETER_EARLY_EXITS, 18 TOOLS_POST_APPLICATIONS, 0.0s TOOLS_POST_TIME, 8 TOOLS_POST_CALL_APPLICATIONS, 0.0s TOOLS_POST_CALL_TIME, 5 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 0.0s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 30 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 10 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 3 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 5 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 1 LOOP_SUMMARIZER_APPLICATIONS, 1 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 1 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 5 CALL_SUMMARIZER_APPLICATIONS, 0 CALL_SUMMARIZER_CACHE_MISSES, 0.1s CALL_SUMMARIZER_OVERALL_TIME, 0.0s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 77 DAG_COMPRESSION_PROCESSED_NODES, 45 DAG_COMPRESSION_RETAINED_NODES - 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#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 1 ~x~0) (<= 0 __VERIFIER_assert_~cond) (<= ~x~0 1)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...