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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 17:00:51,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 17:00:51,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 17:00:51,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 17:00:51,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 17:00:51,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 17:00:51,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 17:00:51,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 17:00:51,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 17:00:51,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 17:00:51,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 17:00:51,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 17:00:51,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 17:00:51,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 17:00:51,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 17:00:51,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 17:00:51,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 17:00:51,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 17:00:51,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 17:00:51,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 17:00:51,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 17:00:51,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 17:00:51,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 17:00:51,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 17:00:51,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-19 17:00:51,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 17:00:51,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 17:00:51,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 17:00:51,840 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 [2019-09-19 17:00:51,864 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 17:00:51,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 17:00:51,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 17:00:51,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 17:00:51,867 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 17:00:51,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 17:00:51,868 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 17:00:51,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 17:00:51,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 17:00:51,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 17:00:51,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 17:00:51,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 17:00:51,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 17:00:51,870 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 17:00:51,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 17:00:51,871 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 17:00:51,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 17:00:51,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 17:00:51,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 17:00:51,872 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 17:00:51,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 17:00:51,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:00:51,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 17:00:51,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 17:00:51,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 17:00:51,874 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 17:00:51,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 17:00:51,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 17:00:51,874 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 17:00:51,935 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 17:00:51,956 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 17:00:51,960 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 17:00:51,962 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 17:00:51,962 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 17:00:51,963 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c [2019-09-19 17:00:52,027 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/106d71f8d/0571590c824b4f53a57b02883fde341f/FLAG509cc3293 [2019-09-19 17:00:52,490 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 17:00:52,495 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c [2019-09-19 17:00:52,504 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/106d71f8d/0571590c824b4f53a57b02883fde341f/FLAG509cc3293 [2019-09-19 17:00:52,875 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/106d71f8d/0571590c824b4f53a57b02883fde341f [2019-09-19 17:00:52,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 17:00:52,888 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 17:00:52,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 17:00:52,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 17:00:52,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 17:00:52,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:00:52" (1/1) ... [2019-09-19 17:00:52,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45b776f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:00:52, skipping insertion in model container [2019-09-19 17:00:52,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:00:52" (1/1) ... [2019-09-19 17:00:52,904 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 17:00:52,920 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 17:00:53,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:00:53,122 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 17:00:53,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:00:53,153 INFO L192 MainTranslator]: Completed translation [2019-09-19 17:00:53,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:00:53 WrapperNode [2019-09-19 17:00:53,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 17:00:53,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 17:00:53,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 17:00:53,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 17:00:53,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:00:53" (1/1) ... [2019-09-19 17:00:53,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:00:53" (1/1) ... [2019-09-19 17:00:53,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:00:53" (1/1) ... [2019-09-19 17:00:53,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:00:53" (1/1) ... [2019-09-19 17:00:53,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:00:53" (1/1) ... [2019-09-19 17:00:53,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:00:53" (1/1) ... [2019-09-19 17:00:53,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:00:53" (1/1) ... [2019-09-19 17:00:53,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 17:00:53,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 17:00:53,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 17:00:53,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 17:00:53,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:00:53" (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 [2019-09-19 17:00:53,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 17:00:53,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 17:00:53,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-19 17:00:53,350 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 17:00:53,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 17:00:53,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 17:00:53,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-19 17:00:53,351 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 17:00:53,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 17:00:53,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 17:00:53,663 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 17:00:53,664 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-19 17:00:53,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:00:53 BoogieIcfgContainer [2019-09-19 17:00:53,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 17:00:53,666 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 17:00:53,666 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 17:00:53,667 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 17:00:53,668 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:00:53" (1/1) ... [2019-09-19 17:00:53,669 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=AlwaysFluid [2019-09-19 17:00:53,700 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 17:00:53,701 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 17:00:53,707 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 17:00:53,717 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 17:00:53,736 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 17:00:53,795 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-19 17:01:10,502 WARN L191 SmtUtils]: Spent 16.64 s on a formula simplification. DAG size of input: 104 DAG size of output: 25 [2019-09-19 17:01:32,385 WARN L191 SmtUtils]: Spent 21.78 s on a formula simplification. DAG size of input: 108 DAG size of output: 25 [2019-09-19 17:01:32,490 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-19 17:01:32,510 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 17:01:32,510 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 17:01:32,513 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 52#(= 0 __VERIFIER_assert_~cond) [2019-09-19 17:01:32,534 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 17:01:32,534 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 17:01:32,538 INFO L168 Benchmark]: Toolchain (without parser) took 39648.63 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 90.0 MB in the beginning and 113.4 MB in the end (delta: -23.4 MB). Peak memory consumption was 42.7 MB. Max. memory is 7.1 GB. [2019-09-19 17:01:32,539 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 134.2 MB. Free memory is still 107.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 17:01:32,541 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.60 ms. Allocated memory is still 134.2 MB. Free memory was 89.6 MB in the beginning and 79.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-19 17:01:32,543 INFO L168 Benchmark]: Boogie Preprocessor took 135.68 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 79.9 MB in the beginning and 176.2 MB in the end (delta: -96.4 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-19 17:01:32,545 INFO L168 Benchmark]: RCFGBuilder took 375.15 ms. Allocated memory is still 200.3 MB. Free memory was 176.2 MB in the beginning and 159.4 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-09-19 17:01:32,546 INFO L168 Benchmark]: Sifa took 38868.44 ms. Allocated memory is still 200.3 MB. Free memory was 159.4 MB in the beginning and 113.4 MB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 7.1 GB. [2019-09-19 17:01:32,557 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 134.2 MB. Free memory is still 107.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 265.60 ms. Allocated memory is still 134.2 MB. Free memory was 89.6 MB in the beginning and 79.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.68 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 79.9 MB in the beginning and 176.2 MB in the end (delta: -96.4 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 375.15 ms. Allocated memory is still 200.3 MB. Free memory was 176.2 MB in the beginning and 159.4 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. * Sifa took 38868.44 ms. Allocated memory is still 200.3 MB. Free memory was 159.4 MB in the beginning and 113.4 MB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 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]: 38813, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 18, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 14, TOOLS_POST_TIME[ms]: 101, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 36, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 18, TOOLS_QUANTIFIERELIM_TIME[ms]: 122, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 48, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 20, FLUID_YES_ANSWERS: 20, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 38520, DOMAIN_ALPHA_APPLICATIONS: 20, DOMAIN_ALPHA_TIME[ms]: 55, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 2, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 3, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 1, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 38629, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 38629, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 8, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 17, DAG_COMPRESSION_PROCESSED_NODES: 69, DAG_COMPRESSION_RETAINED_NODES: 34 - UnprovableResult [Line: 8]: 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 52#(= 0 __VERIFIER_assert_~cond). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...