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 SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique NONE -i ../../../trunk/examples/svcomp/ldv-regression/stateful_check.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:06:39,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:06:39,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:06:39,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:06:39,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:06:39,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:06:39,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:06:39,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:06:39,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:06:39,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:06:39,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:06:39,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:06:39,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:06:39,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:06:39,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:06:39,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:06:39,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:06:39,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:06:39,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:06:39,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:06:39,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:06:39,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:06:39,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:06:39,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:06:39,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:06:39,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:06:39,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:06:39,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:06:39,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:06:39,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2019-09-20 15:06:39,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:06:39,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:06:39,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:06:39,992 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 15:06:40,006 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:06:40,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:06:40,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:06:40,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:06:40,008 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:06:40,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:06:40,009 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:06:40,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:06:40,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:06:40,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:06:40,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:06:40,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:06:40,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:06:40,010 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:06:40,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:06:40,010 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:06:40,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:06:40,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:06:40,011 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:06:40,011 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:06:40,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:06:40,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:06:40,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:06:40,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:06:40,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:06:40,013 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:06:40,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:06:40,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:06:40,013 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 -> 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 -> NONE [2019-09-20 15:06:40,044 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:06:40,057 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:06:40,060 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:06:40,062 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:06:40,062 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:06:40,063 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/stateful_check.c [2019-09-20 15:06:40,126 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31f349c8c/7137bb4533e44378800e60a86498eaca/FLAGff7213ed8 [2019-09-20 15:06:40,589 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:06:40,590 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/stateful_check.c [2019-09-20 15:06:40,600 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31f349c8c/7137bb4533e44378800e60a86498eaca/FLAGff7213ed8 [2019-09-20 15:06:40,972 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31f349c8c/7137bb4533e44378800e60a86498eaca [2019-09-20 15:06:40,985 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:06:40,986 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:06:40,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:06:40,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:06:40,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:06:40,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:06:40" (1/1) ... [2019-09-20 15:06:40,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2e65cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:40, skipping insertion in model container [2019-09-20 15:06:40,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:06:40" (1/1) ... [2019-09-20 15:06:41,007 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:06:41,034 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:06:41,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:06:41,304 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:06:41,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:06:41,366 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:06:41,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:41 WrapperNode [2019-09-20 15:06:41,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:06:41,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:06:41,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:06:41,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:06:41,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:41" (1/1) ... [2019-09-20 15:06:41,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:41" (1/1) ... [2019-09-20 15:06:41,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:41" (1/1) ... [2019-09-20 15:06:41,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:41" (1/1) ... [2019-09-20 15:06:41,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:41" (1/1) ... [2019-09-20 15:06:41,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:41" (1/1) ... [2019-09-20 15:06:41,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:41" (1/1) ... [2019-09-20 15:06:41,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:06:41,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:06:41,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:06:41,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:06:41,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:06:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:06:41,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:06:41,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:06:41,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-20 15:06:41,564 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-20 15:06:41,564 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-20 15:06:41,564 INFO L138 BoogieDeclarations]: Found implementation of procedure check_final_state [2019-09-20 15:06:41,565 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_release [2019-09-20 15:06:41,565 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_llseek [2019-09-20 15:06:41,566 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_read [2019-09-20 15:06:41,566 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_open [2019-09-20 15:06:41,566 INFO L138 BoogieDeclarations]: Found implementation of procedure my_init [2019-09-20 15:06:41,567 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:06:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:06:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-20 15:06:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:06:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-20 15:06:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-20 15:06:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure check_final_state [2019-09-20 15:06:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure misc_release [2019-09-20 15:06:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure misc_llseek [2019-09-20 15:06:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure misc_read [2019-09-20 15:06:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure misc_open [2019-09-20 15:06:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure my_init [2019-09-20 15:06:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:06:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:06:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:06:41,984 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:06:41,985 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 15:06:41,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:06:41 BoogieIcfgContainer [2019-09-20 15:06:41,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:06:41,987 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:06:41,987 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:06:41,987 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:06:41,988 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:06:41" (1/1) ... [2019-09-20 15:06:41,989 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:06:42,011 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:06:42,012 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:06:42,020 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:06:42,030 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:06:42,031 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:06:42,087 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 11 for LOIs [2019-09-20 15:06:42,427 INFO L199 IcfgInterpreter]: Interpreting procedure check_final_state with input of size 1 for LOIs [2019-09-20 15:06:42,428 INFO L199 IcfgInterpreter]: Interpreting procedure misc_release with input of size 7 for LOIs [2019-09-20 15:06:42,441 INFO L199 IcfgInterpreter]: Interpreting procedure mutex_lock with input of size 1 for LOIs [2019-09-20 15:06:42,442 INFO L199 IcfgInterpreter]: Interpreting procedure mutex_unlock with input of size 10 for LOIs [2019-09-20 15:06:42,443 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 4 for LOIs [2019-09-20 15:06:42,444 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:06:42,444 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:06:42,446 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 301#(not (= 1 ~ldv_mutex~0)) [2019-09-20 15:06:42,459 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:06:42,459 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:06:42,461 INFO L168 Benchmark]: Toolchain (without parser) took 1474.37 ms. Allocated memory was 137.4 MB in the beginning and 198.2 MB in the end (delta: 60.8 MB). Free memory was 83.4 MB in the beginning and 126.7 MB in the end (delta: -43.3 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:06:42,462 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.4 MB. Free memory was 102.2 MB in the beginning and 101.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:06:42,463 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.60 ms. Allocated memory is still 137.4 MB. Free memory was 83.2 MB in the beginning and 73.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:06:42,464 INFO L168 Benchmark]: Boogie Preprocessor took 130.80 ms. Allocated memory was 137.4 MB in the beginning and 198.2 MB in the end (delta: 60.8 MB). Free memory was 73.1 MB in the beginning and 174.9 MB in the end (delta: -101.8 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:06:42,465 INFO L168 Benchmark]: RCFGBuilder took 488.07 ms. Allocated memory is still 198.2 MB. Free memory was 174.9 MB in the beginning and 151.7 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:06:42,466 INFO L168 Benchmark]: Sifa took 472.36 ms. Allocated memory is still 198.2 MB. Free memory was 151.7 MB in the beginning and 126.7 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:06:42,470 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 137.4 MB. Free memory was 102.2 MB in the beginning and 101.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 377.60 ms. Allocated memory is still 137.4 MB. Free memory was 83.2 MB in the beginning and 73.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.80 ms. Allocated memory was 137.4 MB in the beginning and 198.2 MB in the end (delta: 60.8 MB). Free memory was 73.1 MB in the beginning and 174.9 MB in the end (delta: -101.8 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 488.07 ms. Allocated memory is still 198.2 MB. Free memory was 174.9 MB in the beginning and 151.7 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Sifa took 472.36 ms. Allocated memory is still 198.2 MB. Free memory was 151.7 MB in the beginning and 126.7 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 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]: 435, ICFG_INTERPRETER_ENTERED_PROCEDURES: 7, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 169, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 120, TOOLS_POST_TIME[ms]: 110, TOOLS_POST_CALL_APPLICATIONS: 34, TOOLS_POST_CALL_TIME[ms]: 54, TOOLS_POST_RETURN_APPLICATIONS: 24, TOOLS_POST_RETURN_TIME[ms]: 28, TOOLS_QUANTIFIERELIM_APPLICATIONS: 178, TOOLS_QUANTIFIERELIM_TIME[ms]: 133, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 175, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 48, DOMAIN_JOIN_TIME[ms]: 12, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 17, DOMAIN_ISBOTTOM_APPLICATIONS: 32, DOMAIN_ISBOTTOM_TIME[ms]: 90, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 260, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 259, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 24, CALL_SUMMARIZER_CACHE_MISSES: 9, CALL_SUMMARIZER_OVERALL_TIME[ms]: 43, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 43, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 7, 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 301#(not (= 1 ~ldv_mutex~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...