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/loops/for_bounded_loop1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:24:24,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:24:24,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:24:24,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:24:24,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:24:24,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:24:24,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:24:24,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:24:24,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:24:24,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:24:24,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:24:24,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:24:24,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:24:24,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:24:24,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:24:24,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:24:24,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:24:24,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:24:24,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:24:24,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:24:24,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:24:24,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:24:24,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:24:24,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:24:24,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 22:24:24,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:24:24,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:24:24,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:24:24,928 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 [2019-09-20 22:24:24,941 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:24:24,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:24:24,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:24:24,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:24:24,943 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:24:24,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:24:24,944 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:24:24,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:24:24,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:24:24,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:24:24,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:24:24,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:24:24,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:24:24,945 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:24:24,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:24:24,945 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:24:24,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:24:24,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:24:24,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:24:24,946 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:24:24,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:24:24,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:24:24,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:24:24,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:24:24,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:24:24,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:24:24,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:24:24,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:24:24,948 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 [2019-09-20 22:24:24,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:24:24,990 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:24:24,994 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:24:24,995 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:24:24,995 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:24:24,996 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/for_bounded_loop1.c [2019-09-20 22:24:25,070 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d59ceae71/52ae2298bb9b4e41984a9850aab5b2ab/FLAG6ea3ef821 [2019-09-20 22:24:25,568 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:24:25,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/for_bounded_loop1.c [2019-09-20 22:24:25,575 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d59ceae71/52ae2298bb9b4e41984a9850aab5b2ab/FLAG6ea3ef821 [2019-09-20 22:24:25,930 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d59ceae71/52ae2298bb9b4e41984a9850aab5b2ab [2019-09-20 22:24:25,942 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:24:25,943 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:24:25,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:24:25,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:24:25,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:24:25,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:24:25" (1/1) ... [2019-09-20 22:24:25,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7113c9b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:25, skipping insertion in model container [2019-09-20 22:24:25,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:24:25" (1/1) ... [2019-09-20 22:24:25,964 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:24:25,978 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:24:26,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:24:26,140 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:24:26,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:24:26,176 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:24:26,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:26 WrapperNode [2019-09-20 22:24:26,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:24:26,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:24:26,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:24:26,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:24:26,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:26" (1/1) ... [2019-09-20 22:24:26,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:26" (1/1) ... [2019-09-20 22:24:26,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:26" (1/1) ... [2019-09-20 22:24:26,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:26" (1/1) ... [2019-09-20 22:24:26,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:26" (1/1) ... [2019-09-20 22:24:26,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:26" (1/1) ... [2019-09-20 22:24:26,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:26" (1/1) ... [2019-09-20 22:24:26,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:24:26,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:24:26,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:24:26,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:24:26,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:26" (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 [2019-09-20 22:24:26,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:24:26,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:24:26,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 22:24:26,338 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:24:26,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:24:26,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 22:24:26,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 22:24:26,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:24:26,340 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:24:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:24:26,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:24:26,514 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:24:26,514 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 22:24:26,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:24:26 BoogieIcfgContainer [2019-09-20 22:24:26,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:24:26,517 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:24:26,517 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:24:26,517 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:24:26,519 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:24:26" (1/1) ... [2019-09-20 22:24:26,519 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 [2019-09-20 22:24:26,540 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:24:26,540 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:24:26,547 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:24:26,557 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:24:26,559 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:24:26,619 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 22:24:26,781 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 22:24:26,807 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:24:26,807 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:24:26,809 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 76#(= 0 __VERIFIER_assert_~cond) [2019-09-20 22:24:26,823 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:24:26,823 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:24:26,827 INFO L168 Benchmark]: Toolchain (without parser) took 881.87 ms. Allocated memory was 121.1 MB in the beginning and 157.3 MB in the end (delta: 36.2 MB). Free memory was 100.0 MB in the beginning and 112.2 MB in the end (delta: -12.2 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2019-09-20 22:24:26,829 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 101.2 MB. Free memory was 75.9 MB in the beginning and 75.8 MB in the end (delta: 108.0 kB). Peak memory consumption was 108.0 kB. Max. memory is 7.1 GB. [2019-09-20 22:24:26,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.37 ms. Allocated memory is still 121.1 MB. Free memory was 99.8 MB in the beginning and 90.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-20 22:24:26,832 INFO L168 Benchmark]: Boogie Preprocessor took 94.30 ms. Allocated memory was 121.1 MB in the beginning and 157.3 MB in the end (delta: 36.2 MB). Free memory was 90.7 MB in the beginning and 139.7 MB in the end (delta: -49.0 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-09-20 22:24:26,833 INFO L168 Benchmark]: RCFGBuilder took 244.07 ms. Allocated memory is still 157.3 MB. Free memory was 139.7 MB in the beginning and 128.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-20 22:24:26,834 INFO L168 Benchmark]: Sifa took 306.49 ms. Allocated memory is still 157.3 MB. Free memory was 128.2 MB in the beginning and 112.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-20 22:24:26,838 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 101.2 MB. Free memory was 75.9 MB in the beginning and 75.8 MB in the end (delta: 108.0 kB). Peak memory consumption was 108.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 233.37 ms. Allocated memory is still 121.1 MB. Free memory was 99.8 MB in the beginning and 90.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.30 ms. Allocated memory was 121.1 MB in the beginning and 157.3 MB in the end (delta: 36.2 MB). Free memory was 90.7 MB in the beginning and 139.7 MB in the end (delta: -49.0 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 244.07 ms. Allocated memory is still 157.3 MB. Free memory was 139.7 MB in the beginning and 128.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Sifa took 306.49 ms. Allocated memory is still 157.3 MB. Free memory was 128.2 MB in the beginning and 112.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 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]: 270, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 28, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 19, TOOLS_POST_TIME[ms]: 29, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 20, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 5, TOOLS_QUANTIFIERELIM_APPLICATIONS: 31, TOOLS_QUANTIFIERELIM_TIME[ms]: 35, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 29, FLUID_YES_ANSWERS: 29, DOMAIN_JOIN_APPLICATIONS: 7, DOMAIN_JOIN_TIME[ms]: 49, DOMAIN_ALPHA_APPLICATIONS: 29, DOMAIN_ALPHA_TIME[ms]: 83, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 1, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 5, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 71, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 71, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 32, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 31, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 18, DAG_COMPRESSION_PROCESSED_NODES: 75, DAG_COMPRESSION_RETAINED_NODES: 42 - UnprovableResult [Line: 6]: 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 76#(= 0 __VERIFIER_assert_~cond). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...