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/ldv-regression/mutex_lock_struct.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 17:02:51,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 17:02:51,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 17:02:51,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 17:02:51,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 17:02:51,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 17:02:51,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 17:02:51,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 17:02:51,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 17:02:51,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 17:02:51,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 17:02:51,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 17:02:51,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 17:02:51,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 17:02:51,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 17:02:51,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 17:02:51,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 17:02:51,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 17:02:51,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 17:02:51,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 17:02:51,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 17:02:51,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 17:02:51,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 17:02:51,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 17:02:51,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 17:02:51,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 17:02:51,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 17:02:51,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 17:02:51,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 17:02:51,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 17:02:51,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 17:02:51,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 17:02:51,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 17:02:51,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 17:02:51,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 17:02:51,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 17:02:51,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 17:02:51,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 17:02:51,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 17:02:51,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 17:02:51,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 17:02:51,610 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 17:02:51,624 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 17:02:51,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 17:02:51,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 17:02:51,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 17:02:51,626 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 17:02:51,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 17:02:51,626 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 17:02:51,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 17:02:51,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 17:02:51,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 17:02:51,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 17:02:51,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 17:02:51,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 17:02:51,628 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 17:02:51,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 17:02:51,628 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 17:02:51,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 17:02:51,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 17:02:51,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 17:02:51,629 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 17:02:51,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 17:02:51,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:02:51,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 17:02:51,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 17:02:51,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 17:02:51,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 17:02:51,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 17:02:51,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 17:02:51,631 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 17:02:51,663 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 17:02:51,677 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 17:02:51,680 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 17:02:51,681 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 17:02:51,682 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 17:02:51,682 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/mutex_lock_struct.c_1.i [2019-09-19 17:02:51,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c178e3d1/6c529d961dc94acaa7f3f6172121c315/FLAGdbecd6152 [2019-09-19 17:02:52,204 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 17:02:52,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/mutex_lock_struct.c_1.i [2019-09-19 17:02:52,213 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c178e3d1/6c529d961dc94acaa7f3f6172121c315/FLAGdbecd6152 [2019-09-19 17:02:52,552 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c178e3d1/6c529d961dc94acaa7f3f6172121c315 [2019-09-19 17:02:52,566 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 17:02:52,568 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 17:02:52,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 17:02:52,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 17:02:52,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 17:02:52,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:02:52" (1/1) ... [2019-09-19 17:02:52,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f9e092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:52, skipping insertion in model container [2019-09-19 17:02:52,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:02:52" (1/1) ... [2019-09-19 17:02:52,584 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 17:02:52,601 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 17:02:52,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:02:52,790 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 17:02:52,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:02:52,819 INFO L192 MainTranslator]: Completed translation [2019-09-19 17:02:52,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:52 WrapperNode [2019-09-19 17:02:52,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 17:02:52,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 17:02:52,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 17:02:52,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 17:02:52,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:52" (1/1) ... [2019-09-19 17:02:52,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:52" (1/1) ... [2019-09-19 17:02:52,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:52" (1/1) ... [2019-09-19 17:02:52,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:52" (1/1) ... [2019-09-19 17:02:52,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:52" (1/1) ... [2019-09-19 17:02:52,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:52" (1/1) ... [2019-09-19 17:02:52,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:52" (1/1) ... [2019-09-19 17:02:52,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 17:02:52,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 17:02:52,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 17:02:52,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 17:02:52,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:02:52" (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 17:02:52,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 17:02:52,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 17:02:52,984 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2019-09-19 17:02:52,984 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-19 17:02:52,984 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-19 17:02:52,984 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 17:02:52,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 17:02:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure err [2019-09-19 17:02:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-19 17:02:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 17:02:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 17:02:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-19 17:02:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 17:02:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 17:02:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 17:02:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 17:02:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 17:02:53,269 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 17:02:53,269 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-19 17:02:53,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:02:53 BoogieIcfgContainer [2019-09-19 17:02:53,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 17:02:53,271 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 17:02:53,271 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 17:02:53,272 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 17:02:53,281 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:02:53" (1/1) ... [2019-09-19 17:02:53,282 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 17:02:53,315 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 17:02:53,315 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 17:02:53,323 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 17:02:53,331 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 17:02:53,332 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 17:02:53,508 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 10 for LOIs [2019-09-19 17:02:53,695 INFO L199 IcfgInterpreter]: Interpreting procedure mutex_lock with input of size 3 for LOIs [2019-09-19 17:02:53,701 INFO L199 IcfgInterpreter]: Interpreting procedure mutex_unlock with input of size 3 for LOIs [2019-09-19 17:02:53,710 INFO L199 IcfgInterpreter]: Interpreting procedure err with input of size 1 for LOIs [2019-09-19 17:02:53,716 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 17:02:53,717 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 17:02:53,719 INFO L193 IcfgInterpreter]: Reachable states at location errErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 59#true [2019-09-19 17:02:53,732 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 17:02:53,732 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 17:02:53,734 INFO L168 Benchmark]: Toolchain (without parser) took 1166.28 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 90.6 MB in the beginning and 137.7 MB in the end (delta: -47.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2019-09-19 17:02:53,735 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 17:02:53,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.00 ms. Allocated memory is still 133.7 MB. Free memory was 90.4 MB in the beginning and 80.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-19 17:02:53,737 INFO L168 Benchmark]: Boogie Preprocessor took 110.39 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 80.6 MB in the beginning and 177.7 MB in the end (delta: -97.1 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-09-19 17:02:53,738 INFO L168 Benchmark]: RCFGBuilder took 340.15 ms. Allocated memory is still 200.8 MB. Free memory was 177.7 MB in the beginning and 162.2 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. [2019-09-19 17:02:53,739 INFO L168 Benchmark]: Sifa took 461.00 ms. Allocated memory is still 200.8 MB. Free memory was 162.2 MB in the beginning and 137.7 MB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2019-09-19 17:02:53,742 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 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 251.00 ms. Allocated memory is still 133.7 MB. Free memory was 90.4 MB in the beginning and 80.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.39 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 80.6 MB in the beginning and 177.7 MB in the end (delta: -97.1 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 340.15 ms. Allocated memory is still 200.8 MB. Free memory was 177.7 MB in the beginning and 162.2 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. * Sifa took 461.00 ms. Allocated memory is still 200.8 MB. Free memory was 162.2 MB in the beginning and 137.7 MB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 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]: 404, ICFG_INTERPRETER_ENTERED_PROCEDURES: 5, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 22, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 12, TOOLS_POST_TIME[ms]: 213, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 26, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 5, TOOLS_QUANTIFIERELIM_APPLICATIONS: 23, TOOLS_QUANTIFIERELIM_TIME[ms]: 229, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 129, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 22, FLUID_YES_ANSWERS: 22, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 37, DOMAIN_ALPHA_APPLICATIONS: 22, DOMAIN_ALPHA_TIME[ms]: 42, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 5, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME[ms]: 136, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 136, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 22, DAG_COMPRESSION_PROCESSED_NODES: 59, DAG_COMPRESSION_RETAINED_NODES: 43 - UnprovableResult [Line: 13]: 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 59#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...