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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/stateful_check.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 16:20:54,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 16:20:54,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 16:20:54,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 16:20:54,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 16:20:54,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 16:20:54,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 16:20:54,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 16:20:54,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 16:20:54,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 16:20:54,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 16:20:54,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 16:20:54,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 16:20:54,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 16:20:54,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 16:20:54,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 16:20:54,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 16:20:54,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 16:20:54,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 16:20:54,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 16:20:54,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 16:20:54,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 16:20:54,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 16:20:54,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 16:20:54,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 16:20:54,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 16:20:54,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 16:20:54,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 16:20:54,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 16:20:54,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 16:20:54,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 16:20:54,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 16:20:54,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 16:20:54,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 16:20:54,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 16:20:54,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 16:20:54,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 16:20:54,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 16:20:54,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 16:20:54,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 16:20:54,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 16:20:54,818 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 [2019-09-25 16:20:54,838 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 16:20:54,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 16:20:54,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 16:20:54,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 16:20:54,840 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 16:20:54,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 16:20:54,841 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 16:20:54,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 16:20:54,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 16:20:54,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 16:20:54,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 16:20:54,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 16:20:54,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 16:20:54,843 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 16:20:54,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 16:20:54,844 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 16:20:54,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 16:20:54,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 16:20:54,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 16:20:54,844 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 16:20:54,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 16:20:54,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 16:20:54,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 16:20:54,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 16:20:54,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 16:20:54,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 16:20:54,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 16:20:54,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 16:20:54,847 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 16:20:54,900 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 16:20:54,912 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 16:20:54,915 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 16:20:54,917 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 16:20:54,917 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 16:20:54,918 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/stateful_check.c [2019-09-25 16:20:54,978 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e04b4de67/ac6e734f9838455287664ec749eb22a3/FLAGa4f1515a9 [2019-09-25 16:20:55,442 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 16:20:55,443 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/stateful_check.c [2019-09-25 16:20:55,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e04b4de67/ac6e734f9838455287664ec749eb22a3/FLAGa4f1515a9 [2019-09-25 16:20:55,795 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e04b4de67/ac6e734f9838455287664ec749eb22a3 [2019-09-25 16:20:55,804 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 16:20:55,806 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 16:20:55,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 16:20:55,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 16:20:55,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 16:20:55,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:20:55" (1/1) ... [2019-09-25 16:20:55,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f94d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:55, skipping insertion in model container [2019-09-25 16:20:55,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:20:55" (1/1) ... [2019-09-25 16:20:55,821 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 16:20:55,839 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 16:20:56,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:20:56,026 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 16:20:56,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:20:56,066 INFO L192 MainTranslator]: Completed translation [2019-09-25 16:20:56,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:56 WrapperNode [2019-09-25 16:20:56,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 16:20:56,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 16:20:56,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 16:20:56,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 16:20:56,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:56" (1/1) ... [2019-09-25 16:20:56,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:56" (1/1) ... [2019-09-25 16:20:56,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:56" (1/1) ... [2019-09-25 16:20:56,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:56" (1/1) ... [2019-09-25 16:20:56,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:56" (1/1) ... [2019-09-25 16:20:56,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:56" (1/1) ... [2019-09-25 16:20:56,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:56" (1/1) ... [2019-09-25 16:20:56,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 16:20:56,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 16:20:56,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 16:20:56,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 16:20:56,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:56" (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 [2019-09-25 16:20:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 16:20:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 16:20:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-25 16:20:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-25 16:20:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-25 16:20:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure check_final_state [2019-09-25 16:20:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_release [2019-09-25 16:20:56,243 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_llseek [2019-09-25 16:20:56,243 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_read [2019-09-25 16:20:56,243 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_open [2019-09-25 16:20:56,243 INFO L138 BoogieDeclarations]: Found implementation of procedure my_init [2019-09-25 16:20:56,243 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 16:20:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 16:20:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-25 16:20:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 16:20:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-25 16:20:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-25 16:20:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure check_final_state [2019-09-25 16:20:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure misc_release [2019-09-25 16:20:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure misc_llseek [2019-09-25 16:20:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure misc_read [2019-09-25 16:20:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure misc_open [2019-09-25 16:20:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure my_init [2019-09-25 16:20:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 16:20:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 16:20:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 16:20:56,631 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 16:20:56,631 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-25 16:20:56,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:20:56 BoogieIcfgContainer [2019-09-25 16:20:56,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 16:20:56,633 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 16:20:56,633 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 16:20:56,633 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 16:20:56,635 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:20:56" (1/1) ... [2019-09-25 16:20:56,635 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 16:20:56,658 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 16:20:56,658 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 16:20:56,672 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 16:20:56,683 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 16:20:56,684 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 16:20:56,808 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 13 for LOIs [2019-09-25 16:20:58,077 INFO L199 IcfgInterpreter]: Interpreting procedure check_final_state with input of size 3 for LOIs [2019-09-25 16:20:58,079 INFO L199 IcfgInterpreter]: Interpreting procedure misc_release with input of size 9 for LOIs [2019-09-25 16:20:58,100 INFO L199 IcfgInterpreter]: Interpreting procedure mutex_lock with input of size 6 for LOIs [2019-09-25 16:20:58,103 INFO L199 IcfgInterpreter]: Interpreting procedure mutex_unlock with input of size 10 for LOIs [2019-09-25 16:20:58,106 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 6 for LOIs [2019-09-25 16:20:58,108 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 16:20:58,108 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 16:20:58,111 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 493#(and (<= 1 ~ldv_mutex~0) (not (= 1 ~ldv_mutex~0))) [2019-09-25 16:20:58,124 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 16:20:58,124 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 16:20:58,127 INFO L168 Benchmark]: Toolchain (without parser) took 2320.29 ms. Allocated memory was 138.4 MB in the beginning and 219.7 MB in the end (delta: 81.3 MB). Free memory was 86.4 MB in the beginning and 94.6 MB in the end (delta: -8.2 MB). Peak memory consumption was 73.0 MB. Max. memory is 7.1 GB. [2019-09-25 16:20:58,128 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 16:20:58,129 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.29 ms. Allocated memory is still 138.4 MB. Free memory was 86.2 MB in the beginning and 76.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-09-25 16:20:58,130 INFO L168 Benchmark]: Boogie Preprocessor took 118.06 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 76.0 MB in the beginning and 175.0 MB in the end (delta: -99.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-25 16:20:58,131 INFO L168 Benchmark]: RCFGBuilder took 447.18 ms. Allocated memory is still 198.2 MB. Free memory was 175.0 MB in the beginning and 152.1 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2019-09-25 16:20:58,132 INFO L168 Benchmark]: Sifa took 1491.30 ms. Allocated memory was 198.2 MB in the beginning and 219.7 MB in the end (delta: 21.5 MB). Free memory was 152.1 MB in the beginning and 94.6 MB in the end (delta: 57.4 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. [2019-09-25 16:20:58,136 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 260.29 ms. Allocated memory is still 138.4 MB. Free memory was 86.2 MB in the beginning and 76.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.06 ms. Allocated memory was 138.4 MB in the beginning and 198.2 MB in the end (delta: 59.8 MB). Free memory was 76.0 MB in the beginning and 175.0 MB in the end (delta: -99.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 447.18 ms. Allocated memory is still 198.2 MB. Free memory was 175.0 MB in the beginning and 152.1 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Sifa took 1491.30 ms. Allocated memory was 198.2 MB in the beginning and 219.7 MB in the end (delta: 21.5 MB). Free memory was 152.1 MB in the beginning and 94.6 MB in the end (delta: 57.4 MB). Peak memory consumption was 78.9 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]: 1453, ICFG_INTERPRETER_ENTERED_PROCEDURES: 7, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 188, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 135, TOOLS_POST_TIME[ms]: 142, TOOLS_POST_CALL_APPLICATIONS: 36, TOOLS_POST_CALL_TIME[ms]: 71, TOOLS_POST_RETURN_APPLICATIONS: 26, TOOLS_POST_RETURN_TIME[ms]: 39, TOOLS_QUANTIFIERELIM_APPLICATIONS: 197, TOOLS_QUANTIFIERELIM_TIME[ms]: 176, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 195, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 53, DOMAIN_JOIN_TIME[ms]: 936, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 46, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 19, DOMAIN_ISBOTTOM_APPLICATIONS: 36, DOMAIN_ISBOTTOM_TIME[ms]: 69, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1135, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1134, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 26, CALL_SUMMARIZER_CACHE_MISSES: 9, CALL_SUMMARIZER_OVERALL_TIME[ms]: 167, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 167, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 31, 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 493#(and (<= 1 ~ldv_mutex~0) (not (= 1 ~ldv_mutex~0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...