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 --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/nla-digbench/fermat1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 09:35:35,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 09:35:35,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 09:35:35,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 09:35:35,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 09:35:35,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 09:35:35,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 09:35:35,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 09:35:35,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 09:35:35,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 09:35:35,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 09:35:35,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 09:35:35,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 09:35:35,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 09:35:35,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 09:35:35,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 09:35:35,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 09:35:35,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 09:35:35,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 09:35:35,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 09:35:35,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 09:35:35,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 09:35:35,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 09:35:35,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 09:35:35,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-17 09:35:35,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 09:35:35,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 09:35:35,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 09:35:35,837 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 [2019-09-17 09:35:35,851 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 09:35:35,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 09:35:35,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 09:35:35,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 09:35:35,853 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 09:35:35,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 09:35:35,853 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 09:35:35,853 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 09:35:35,854 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 09:35:35,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 09:35:35,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 09:35:35,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 09:35:35,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 09:35:35,855 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 09:35:35,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 09:35:35,855 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 09:35:35,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 09:35:35,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 09:35:35,856 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 09:35:35,856 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 09:35:35,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 09:35:35,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 09:35:35,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 09:35:35,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 09:35:35,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 09:35:35,857 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 09:35:35,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 09:35:35,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 09:35:35,858 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-17 09:35:35,888 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 09:35:35,900 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 09:35:35,904 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 09:35:35,905 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 09:35:35,906 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 09:35:35,906 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/fermat1.c [2019-09-17 09:35:35,974 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ecfaf863/fd6d7d0fdf274e89a1597ae0de15c48c/FLAG2bdab8886 [2019-09-17 09:35:36,487 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 09:35:36,487 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/fermat1.c [2019-09-17 09:35:36,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ecfaf863/fd6d7d0fdf274e89a1597ae0de15c48c/FLAG2bdab8886 [2019-09-17 09:35:36,937 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ecfaf863/fd6d7d0fdf274e89a1597ae0de15c48c [2019-09-17 09:35:36,949 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 09:35:36,951 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 09:35:36,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 09:35:36,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 09:35:36,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 09:35:36,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 09:35:36" (1/1) ... [2019-09-17 09:35:36,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3205cab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:35:36, skipping insertion in model container [2019-09-17 09:35:36,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 09:35:36" (1/1) ... [2019-09-17 09:35:36,967 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 09:35:36,982 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 09:35:37,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 09:35:37,189 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 09:35:37,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 09:35:37,324 INFO L192 MainTranslator]: Completed translation [2019-09-17 09:35:37,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:35:37 WrapperNode [2019-09-17 09:35:37,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 09:35:37,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 09:35:37,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 09:35:37,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 09:35:37,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:35:37" (1/1) ... [2019-09-17 09:35:37,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:35:37" (1/1) ... [2019-09-17 09:35:37,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:35:37" (1/1) ... [2019-09-17 09:35:37,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:35:37" (1/1) ... [2019-09-17 09:35:37,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:35:37" (1/1) ... [2019-09-17 09:35:37,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:35:37" (1/1) ... [2019-09-17 09:35:37,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:35:37" (1/1) ... [2019-09-17 09:35:37,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 09:35:37,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 09:35:37,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 09:35:37,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 09:35:37,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:35:37" (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 [2019-09-17 09:35:37,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 09:35:37,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 09:35:37,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-17 09:35:37,426 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 09:35:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 09:35:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-09-17 09:35:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-17 09:35:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-17 09:35:37,427 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 09:35:37,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 09:35:37,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 09:35:37,655 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 09:35:37,656 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-17 09:35:37,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 09:35:37 BoogieIcfgContainer [2019-09-17 09:35:37,657 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 09:35:37,658 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 09:35:37,658 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 09:35:37,658 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 09:35:37,660 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 09:35:37" (1/1) ... [2019-09-17 09:35:37,660 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-17 09:35:37,696 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 09:35:37,696 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 09:35:37,705 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 09:35:37,717 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 09:35:37,719 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 09:35:37,821 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-17 09:35:38,860 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-17 09:35:38,876 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 09:35:38,877 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 09:35:38,880 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 322#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-09-17 09:35:38,903 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 09:35:38,903 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 09:35:38,907 INFO L168 Benchmark]: Toolchain (without parser) took 1954.60 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 85.8 MB in the beginning and 81.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 71.3 MB. Max. memory is 7.1 GB. [2019-09-17 09:35:38,909 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 131.6 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 09:35:38,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.96 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 85.6 MB in the beginning and 175.6 MB in the end (delta: -90.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-09-17 09:35:38,914 INFO L168 Benchmark]: Boogie Preprocessor took 38.10 ms. Allocated memory is still 198.2 MB. Free memory was 175.6 MB in the beginning and 173.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-17 09:35:38,915 INFO L168 Benchmark]: RCFGBuilder took 293.87 ms. Allocated memory is still 198.2 MB. Free memory was 173.4 MB in the beginning and 159.6 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2019-09-17 09:35:38,917 INFO L168 Benchmark]: Sifa took 1245.62 ms. Allocated memory is still 198.2 MB. Free memory was 159.6 MB in the beginning and 81.1 MB in the end (delta: 78.5 MB). Peak memory consumption was 78.5 MB. Max. memory is 7.1 GB. [2019-09-17 09:35:38,935 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 131.6 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 372.96 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 85.6 MB in the beginning and 175.6 MB in the end (delta: -90.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.10 ms. Allocated memory is still 198.2 MB. Free memory was 175.6 MB in the beginning and 173.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 293.87 ms. Allocated memory is still 198.2 MB. Free memory was 173.4 MB in the beginning and 159.6 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * Sifa took 1245.62 ms. Allocated memory is still 198.2 MB. Free memory was 159.6 MB in the beginning and 81.1 MB in the end (delta: 78.5 MB). Peak memory consumption was 78.5 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]: 1185, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 232, DAG_INTERPRETER_EARLY_EXITS: 9, TOOLS_POST_APPLICATIONS: 149, TOOLS_POST_TIME[ms]: 48, TOOLS_POST_CALL_APPLICATIONS: 48, TOOLS_POST_CALL_TIME[ms]: 366, TOOLS_POST_RETURN_APPLICATIONS: 43, TOOLS_POST_RETURN_TIME[ms]: 44, TOOLS_QUANTIFIERELIM_APPLICATIONS: 216, TOOLS_QUANTIFIERELIM_TIME[ms]: 380, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 31, FLUID_QUERY_TIME[ms]: 17, FLUID_QUERIES: 251, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 72, DOMAIN_JOIN_TIME[ms]: 432, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 8, DOMAIN_ISSUBSETEQ_APPLICATIONS: 19, DOMAIN_ISSUBSETEQ_TIME[ms]: 20, DOMAIN_ISBOTTOM_APPLICATIONS: 56, DOMAIN_ISBOTTOM_TIME[ms]: 90, LOOP_SUMMARIZER_APPLICATIONS: 11, LOOP_SUMMARIZER_CACHE_MISSES: 11, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 715, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 714, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 19, CALL_SUMMARIZER_APPLICATIONS: 43, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 45, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 44, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 62, DAG_COMPRESSION_PROCESSED_NODES: 333, DAG_COMPRESSION_RETAINED_NODES: 143 - UnprovableResult [Line: 9]: 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 322#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...