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_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/stateful_check.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:11:43,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:11:43,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:11:43,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:11:43,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:11:43,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:11:43,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:11:43,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:11:43,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:11:43,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:11:43,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:11:43,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:11:43,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:11:43,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:11:43,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:11:43,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:11:43,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:11:43,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:11:43,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:11:43,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:11:43,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:11:43,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:11:43,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:11:43,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:11:43,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:11:43,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:11:43,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:11:43,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:11:43,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:11:43,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:11:43,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:11:43,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:11:43,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:11:43,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:11:43,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:11:43,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:11:43,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:11:43,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:11:43,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:11:43,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:11:43,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:11:43,685 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 [2019-09-21 09:11:43,699 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:11:43,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:11:43,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:11:43,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:11:43,701 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:11:43,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:11:43,701 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:11:43,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:11:43,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:11:43,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:11:43,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:11:43,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:11:43,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:11:43,703 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:11:43,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:11:43,703 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:11:43,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:11:43,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:11:43,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:11:43,704 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:11:43,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:11:43,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:11:43,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:11:43,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:11:43,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:11:43,705 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:11:43,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:11:43,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:11:43,706 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_QUICK [2019-09-21 09:11:43,742 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:11:43,752 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:11:43,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:11:43,758 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:11:43,758 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:11:43,759 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/stateful_check.c [2019-09-21 09:11:43,830 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cba1c158/ebebf8ff7ff24e69af7ac05584c03f41/FLAG1ea5b259f [2019-09-21 09:11:44,271 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:11:44,272 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/stateful_check.c [2019-09-21 09:11:44,283 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cba1c158/ebebf8ff7ff24e69af7ac05584c03f41/FLAG1ea5b259f [2019-09-21 09:11:44,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cba1c158/ebebf8ff7ff24e69af7ac05584c03f41 [2019-09-21 09:11:44,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:11:44,673 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:11:44,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:11:44,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:11:44,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:11:44,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:11:44" (1/1) ... [2019-09-21 09:11:44,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@521750fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:44, skipping insertion in model container [2019-09-21 09:11:44,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:11:44" (1/1) ... [2019-09-21 09:11:44,688 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:11:44,707 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:11:44,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:11:44,907 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:11:44,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:11:44,945 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:11:44,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:44 WrapperNode [2019-09-21 09:11:44,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:11:44,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:11:44,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:11:44,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:11:45,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:44" (1/1) ... [2019-09-21 09:11:45,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:44" (1/1) ... [2019-09-21 09:11:45,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:44" (1/1) ... [2019-09-21 09:11:45,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:44" (1/1) ... [2019-09-21 09:11:45,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:44" (1/1) ... [2019-09-21 09:11:45,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:44" (1/1) ... [2019-09-21 09:11:45,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:44" (1/1) ... [2019-09-21 09:11:45,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:11:45,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:11:45,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:11:45,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:11:45,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:44" (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 [2019-09-21 09:11:45,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:11:45,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:11:45,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-21 09:11:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-21 09:11:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-21 09:11:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure check_final_state [2019-09-21 09:11:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_release [2019-09-21 09:11:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_llseek [2019-09-21 09:11:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_read [2019-09-21 09:11:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_open [2019-09-21 09:11:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure my_init [2019-09-21 09:11:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:11:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:11:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-21 09:11:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:11:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-21 09:11:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-21 09:11:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure check_final_state [2019-09-21 09:11:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure misc_release [2019-09-21 09:11:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure misc_llseek [2019-09-21 09:11:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure misc_read [2019-09-21 09:11:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure misc_open [2019-09-21 09:11:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure my_init [2019-09-21 09:11:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:11:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:11:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:11:45,513 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:11:45,513 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 09:11:45,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:11:45 BoogieIcfgContainer [2019-09-21 09:11:45,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:11:45,515 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:11:45,515 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:11:45,515 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:11:45,516 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:11:45" (1/1) ... [2019-09-21 09:11:45,517 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:11:45,535 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:11:45,535 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:11:45,543 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:11:45,551 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:11:45,553 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:11:45,653 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 13 for LOIs [2019-09-21 09:11:46,388 INFO L199 IcfgInterpreter]: Interpreting procedure check_final_state with input of size 3 for LOIs [2019-09-21 09:11:46,390 INFO L199 IcfgInterpreter]: Interpreting procedure misc_release with input of size 9 for LOIs [2019-09-21 09:11:46,408 INFO L199 IcfgInterpreter]: Interpreting procedure mutex_lock with input of size 6 for LOIs [2019-09-21 09:11:46,409 INFO L199 IcfgInterpreter]: Interpreting procedure mutex_unlock with input of size 11 for LOIs [2019-09-21 09:11:46,411 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 3 for LOIs [2019-09-21 09:11:46,412 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:11:46,413 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:11:46,415 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 254#(<= 1 ~ldv_mutex~0) [2019-09-21 09:11:46,439 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:11:46,439 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:11:46,442 INFO L168 Benchmark]: Toolchain (without parser) took 1767.72 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 86.9 MB in the beginning and 94.3 MB in the end (delta: -7.4 MB). Peak memory consumption was 60.8 MB. Max. memory is 7.1 GB. [2019-09-21 09:11:46,445 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:11:46,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.32 ms. Allocated memory is still 131.1 MB. Free memory was 86.7 MB in the beginning and 76.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:11:46,447 INFO L168 Benchmark]: Boogie Preprocessor took 148.74 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 76.4 MB in the beginning and 174.6 MB in the end (delta: -98.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:11:46,448 INFO L168 Benchmark]: RCFGBuilder took 419.45 ms. Allocated memory is still 199.2 MB. Free memory was 174.6 MB in the beginning and 151.9 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:11:46,454 INFO L168 Benchmark]: Sifa took 924.07 ms. Allocated memory is still 199.2 MB. Free memory was 151.9 MB in the beginning and 94.3 MB in the end (delta: 57.6 MB). Peak memory consumption was 57.6 MB. Max. memory is 7.1 GB. [2019-09-21 09:11:46,466 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 272.32 ms. Allocated memory is still 131.1 MB. Free memory was 86.7 MB in the beginning and 76.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 148.74 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 76.4 MB in the beginning and 174.6 MB in the end (delta: -98.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 419.45 ms. Allocated memory is still 199.2 MB. Free memory was 174.6 MB in the beginning and 151.9 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Sifa took 924.07 ms. Allocated memory is still 199.2 MB. Free memory was 151.9 MB in the beginning and 94.3 MB in the end (delta: 57.6 MB). Peak memory consumption was 57.6 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]: 880, ICFG_INTERPRETER_ENTERED_PROCEDURES: 7, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 188, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 135, TOOLS_POST_TIME[ms]: 116, TOOLS_POST_CALL_APPLICATIONS: 36, TOOLS_POST_CALL_TIME[ms]: 73, TOOLS_POST_RETURN_APPLICATIONS: 26, TOOLS_POST_RETURN_TIME[ms]: 37, TOOLS_QUANTIFIERELIM_APPLICATIONS: 197, TOOLS_QUANTIFIERELIM_TIME[ms]: 156, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 195, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 53, DOMAIN_JOIN_TIME[ms]: 388, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 5, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 17, DOMAIN_ISBOTTOM_APPLICATIONS: 36, DOMAIN_ISBOTTOM_TIME[ms]: 126, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 640, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 640, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 26, CALL_SUMMARIZER_CACHE_MISSES: 9, CALL_SUMMARIZER_OVERALL_TIME[ms]: 130, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 126, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 33, DAG_COMPRESSION_PROCESSED_NODES: 251, DAG_COMPRESSION_RETAINED_NODES: 144 - UnprovableResult [Line: 4]: 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 254#(<= 1 ~ldv_mutex~0). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...