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/loops/while_infinite_loop_4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 09:34:03,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 09:34:03,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 09:34:03,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 09:34:03,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 09:34:03,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 09:34:03,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 09:34:03,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 09:34:03,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 09:34:03,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 09:34:03,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 09:34:03,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 09:34:03,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 09:34:03,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 09:34:03,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 09:34:03,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 09:34:03,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 09:34:03,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 09:34:03,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 09:34:03,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 09:34:03,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 09:34:03,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 09:34:03,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 09:34:03,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 09:34:03,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-17 09:34:03,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 09:34:03,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 09:34:03,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 09:34:03,874 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 09:34:03,898 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 09:34:03,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 09:34:03,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 09:34:03,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 09:34:03,900 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 09:34:03,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 09:34:03,900 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 09:34:03,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 09:34:03,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 09:34:03,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 09:34:03,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 09:34:03,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 09:34:03,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 09:34:03,901 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 09:34:03,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 09:34:03,902 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 09:34:03,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 09:34:03,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 09:34:03,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 09:34:03,903 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 09:34:03,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 09:34:03,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 09:34:03,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 09:34:03,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 09:34:03,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 09:34:03,904 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 09:34:03,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 09:34:03,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 09:34:03,904 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 09:34:03,949 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 09:34:03,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 09:34:03,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 09:34:03,973 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 09:34:03,973 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 09:34:03,975 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/while_infinite_loop_4.c [2019-09-17 09:34:04,045 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d608dfcb6/5a9b990791ba4ee2a3f697cc5fae0c67/FLAG147f4c0e3 [2019-09-17 09:34:04,499 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 09:34:04,500 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/while_infinite_loop_4.c [2019-09-17 09:34:04,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d608dfcb6/5a9b990791ba4ee2a3f697cc5fae0c67/FLAG147f4c0e3 [2019-09-17 09:34:04,843 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d608dfcb6/5a9b990791ba4ee2a3f697cc5fae0c67 [2019-09-17 09:34:04,852 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 09:34:04,853 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 09:34:04,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 09:34:04,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 09:34:04,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 09:34:04,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 09:34:04" (1/1) ... [2019-09-17 09:34:04,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ed1223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:04, skipping insertion in model container [2019-09-17 09:34:04,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 09:34:04" (1/1) ... [2019-09-17 09:34:04,868 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 09:34:04,884 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 09:34:05,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 09:34:05,053 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 09:34:05,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 09:34:05,078 INFO L192 MainTranslator]: Completed translation [2019-09-17 09:34:05,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:05 WrapperNode [2019-09-17 09:34:05,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 09:34:05,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 09:34:05,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 09:34:05,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 09:34:05,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:05" (1/1) ... [2019-09-17 09:34:05,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:05" (1/1) ... [2019-09-17 09:34:05,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:05" (1/1) ... [2019-09-17 09:34:05,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:05" (1/1) ... [2019-09-17 09:34:05,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:05" (1/1) ... [2019-09-17 09:34:05,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:05" (1/1) ... [2019-09-17 09:34:05,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:05" (1/1) ... [2019-09-17 09:34:05,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 09:34:05,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 09:34:05,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 09:34:05,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 09:34:05,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:34:05" (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 09:34:05,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 09:34:05,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 09:34:05,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-17 09:34:05,256 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-17 09:34:05,256 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 09:34:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 09:34:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-17 09:34:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-17 09:34:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 09:34:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 09:34:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 09:34:05,429 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 09:34:05,429 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-17 09:34:05,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 09:34:05 BoogieIcfgContainer [2019-09-17 09:34:05,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 09:34:05,432 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 09:34:05,432 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 09:34:05,433 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 09:34:05,434 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 09:34:05" (1/1) ... [2019-09-17 09:34:05,444 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 09:34:05,492 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 09:34:05,493 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 09:34:05,522 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 09:34:05,542 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 09:34:05,543 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 09:34:05,638 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 7 for LOIs [2019-09-17 09:34:05,779 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 9 for LOIs [2019-09-17 09:34:05,804 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 09:34:05,805 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 09:34:05,808 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 44#(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)) [2019-09-17 09:34:05,819 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 09:34:05,820 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 09:34:05,822 INFO L168 Benchmark]: Toolchain (without parser) took 967.89 ms. Allocated memory was 137.9 MB in the beginning and 197.7 MB in the end (delta: 59.8 MB). Free memory was 84.8 MB in the beginning and 147.2 MB in the end (delta: -62.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 09:34:05,823 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 137.9 MB. Free memory was 102.6 MB in the beginning and 102.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 09:34:05,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.97 ms. Allocated memory is still 137.9 MB. Free memory was 84.6 MB in the beginning and 75.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-17 09:34:05,825 INFO L168 Benchmark]: Boogie Preprocessor took 114.38 ms. Allocated memory was 137.9 MB in the beginning and 197.7 MB in the end (delta: 59.8 MB). Free memory was 75.4 MB in the beginning and 175.6 MB in the end (delta: -100.2 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-17 09:34:05,826 INFO L168 Benchmark]: RCFGBuilder took 236.97 ms. Allocated memory is still 197.7 MB. Free memory was 175.6 MB in the beginning and 163.2 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2019-09-17 09:34:05,827 INFO L168 Benchmark]: Sifa took 387.81 ms. Allocated memory is still 197.7 MB. Free memory was 163.2 MB in the beginning and 147.2 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-17 09:34:05,831 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 137.9 MB. Free memory was 102.6 MB in the beginning and 102.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 224.97 ms. Allocated memory is still 137.9 MB. Free memory was 84.6 MB in the beginning and 75.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.38 ms. Allocated memory was 137.9 MB in the beginning and 197.7 MB in the end (delta: 59.8 MB). Free memory was 75.4 MB in the beginning and 175.6 MB in the end (delta: -100.2 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 236.97 ms. Allocated memory is still 197.7 MB. Free memory was 175.6 MB in the beginning and 163.2 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * Sifa took 387.81 ms. Allocated memory is still 197.7 MB. Free memory was 163.2 MB in the beginning and 147.2 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 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]: 316, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 27, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 15, TOOLS_POST_TIME[ms]: 4, TOOLS_POST_CALL_APPLICATIONS: 10, TOOLS_POST_CALL_TIME[ms]: 36, TOOLS_POST_RETURN_APPLICATIONS: 7, TOOLS_POST_RETURN_TIME[ms]: 18, TOOLS_QUANTIFIERELIM_APPLICATIONS: 32, TOOLS_QUANTIFIERELIM_TIME[ms]: 40, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 29, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 9, DOMAIN_JOIN_TIME[ms]: 131, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 3, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 4, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 5, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 100, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 99, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 7, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME[ms]: 58, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 57, 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: 62, DAG_COMPRESSION_RETAINED_NODES: 37 - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 44#(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...