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 SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/locks/test_locks_6.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:27:34,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:27:34,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:27:34,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:27:34,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:27:34,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:27:34,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:27:34,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:27:34,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:27:34,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:27:34,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:27:34,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:27:34,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:27:34,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:27:34,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:27:34,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:27:34,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:27:34,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:27:34,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:27:34,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:27:34,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:27:34,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:27:34,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:27:34,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:27:34,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:27:34,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:27:34,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:27:34,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:27:34,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:27:34,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:27:34,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:27:34,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:27:34,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:27:34,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:27:34,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:27:34,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:27:34,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:27:34,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:27:34,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:27:34,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:27:34,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:27:34,107 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 08:27:34,126 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:27:34,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:27:34,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:27:34,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:27:34,128 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:27:34,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:27:34,129 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:27:34,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:27:34,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:27:34,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:27:34,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:27:34,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:27:34,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:27:34,132 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:27:34,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:27:34,133 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:27:34,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:27:34,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:27:34,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:27:34,134 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:27:34,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:27:34,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:27:34,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:27:34,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:27:34,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:27:34,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:27:34,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:27:34,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:27:34,135 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 -> SIMPLIFY_QUICK [2019-09-21 08:27:34,182 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:27:34,194 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:27:34,197 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:27:34,198 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:27:34,199 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:27:34,199 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_6.c [2019-09-21 08:27:34,257 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31a330547/cfeeffcbee144acd93111d79ba3467f8/FLAGded99def4 [2019-09-21 08:27:34,660 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:27:34,660 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_6.c [2019-09-21 08:27:34,670 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31a330547/cfeeffcbee144acd93111d79ba3467f8/FLAGded99def4 [2019-09-21 08:27:35,082 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31a330547/cfeeffcbee144acd93111d79ba3467f8 [2019-09-21 08:27:35,093 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:27:35,094 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:27:35,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:27:35,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:27:35,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:27:35,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:27:35" (1/1) ... [2019-09-21 08:27:35,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45b3f85b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:35, skipping insertion in model container [2019-09-21 08:27:35,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:27:35" (1/1) ... [2019-09-21 08:27:35,112 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:27:35,130 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:27:35,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:27:35,331 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:27:35,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:27:35,460 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:27:35,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:35 WrapperNode [2019-09-21 08:27:35,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:27:35,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:27:35,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:27:35,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:27:35,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:35" (1/1) ... [2019-09-21 08:27:35,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:35" (1/1) ... [2019-09-21 08:27:35,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:35" (1/1) ... [2019-09-21 08:27:35,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:35" (1/1) ... [2019-09-21 08:27:35,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:35" (1/1) ... [2019-09-21 08:27:35,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:35" (1/1) ... [2019-09-21 08:27:35,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:35" (1/1) ... [2019-09-21 08:27:35,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:27:35,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:27:35,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:27:35,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:27:35,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:35" (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 08:27:35,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:27:35,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:27:35,563 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:27:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:27:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:27:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:27:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:27:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:27:35,968 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:27:35,968 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 08:27:35,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:27:35 BoogieIcfgContainer [2019-09-21 08:27:35,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:27:35,970 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:27:35,970 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:27:35,971 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:27:35,972 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:27:35" (1/1) ... [2019-09-21 08:27:35,972 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=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 08:27:35,992 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:27:35,993 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:27:36,000 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:27:36,008 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:27:36,010 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:27:36,083 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-21 08:27:36,177 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 08:27:36,506 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 08:27:36,641 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 08:27:36,769 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 08:27:36,855 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 08:27:36,876 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-21 08:27:36,996 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:27:36,996 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:27:36,998 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 756#true [2019-09-21 08:27:37,016 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:27:37,017 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:27:37,019 INFO L168 Benchmark]: Toolchain (without parser) took 1924.01 ms. Allocated memory was 138.4 MB in the beginning and 219.7 MB in the end (delta: 81.3 MB). Free memory was 84.4 MB in the beginning and 185.8 MB in the end (delta: -101.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 08:27:37,021 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 103.1 MB in the beginning and 102.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:27:37,023 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.16 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 84.2 MB in the beginning and 177.1 MB in the end (delta: -92.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-09-21 08:27:37,024 INFO L168 Benchmark]: Boogie Preprocessor took 34.44 ms. Allocated memory is still 198.7 MB. Free memory was 176.5 MB in the beginning and 174.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-09-21 08:27:37,025 INFO L168 Benchmark]: RCFGBuilder took 474.02 ms. Allocated memory is still 198.7 MB. Free memory was 174.9 MB in the beginning and 151.7 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2019-09-21 08:27:37,027 INFO L168 Benchmark]: Sifa took 1046.32 ms. Allocated memory was 198.7 MB in the beginning and 219.7 MB in the end (delta: 21.0 MB). Free memory was 151.7 MB in the beginning and 185.8 MB in the end (delta: -34.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 08:27:37,040 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 138.4 MB. Free memory was 103.1 MB in the beginning and 102.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 365.16 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 84.2 MB in the beginning and 177.1 MB in the end (delta: -92.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.44 ms. Allocated memory is still 198.7 MB. Free memory was 176.5 MB in the beginning and 174.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 474.02 ms. Allocated memory is still 198.7 MB. Free memory was 174.9 MB in the beginning and 151.7 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Sifa took 1046.32 ms. Allocated memory was 198.7 MB in the beginning and 219.7 MB in the end (delta: 21.0 MB). Free memory was 151.7 MB in the beginning and 185.8 MB in the end (delta: -34.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 1006, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 166, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 149, TOOLS_POST_TIME[ms]: 97, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 7, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 152, TOOLS_QUANTIFIERELIM_TIME[ms]: 64, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 17, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 168, FLUID_YES_ANSWERS: 6, DOMAIN_JOIN_APPLICATIONS: 89, DOMAIN_JOIN_TIME[ms]: 518, DOMAIN_ALPHA_APPLICATIONS: 6, DOMAIN_ALPHA_TIME[ms]: 79, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 3, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 81, DOMAIN_ISBOTTOM_TIME[ms]: 167, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 710, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 707, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 37, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 37, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 44, DAG_COMPRESSION_PROCESSED_NODES: 629, DAG_COMPRESSION_RETAINED_NODES: 163 - UnprovableResult [Line: 105]: 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 756#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...