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 ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/locks/test_locks_15-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 21:24:41,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 21:24:41,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 21:24:42,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 21:24:42,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 21:24:42,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 21:24:42,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 21:24:42,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 21:24:42,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 21:24:42,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 21:24:42,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 21:24:42,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 21:24:42,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 21:24:42,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 21:24:42,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 21:24:42,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 21:24:42,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 21:24:42,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 21:24:42,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 21:24:42,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 21:24:42,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 21:24:42,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 21:24:42,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 21:24:42,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 21:24:42,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-18 21:24:42,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 21:24:42,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 21:24:42,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 21:24:42,086 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 [2019-09-18 21:24:42,110 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 21:24:42,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 21:24:42,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 21:24:42,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 21:24:42,114 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 21:24:42,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 21:24:42,114 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 21:24:42,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 21:24:42,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 21:24:42,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 21:24:42,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 21:24:42,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 21:24:42,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 21:24:42,117 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 21:24:42,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 21:24:42,117 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 21:24:42,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 21:24:42,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 21:24:42,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 21:24:42,118 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 21:24:42,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 21:24:42,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 21:24:42,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 21:24:42,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 21:24:42,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 21:24:42,119 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 21:24:42,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 21:24:42,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 21:24:42,120 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 -> ReUseSupersetCallSummarizer 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_DDA [2019-09-18 21:24:42,182 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 21:24:42,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 21:24:42,205 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 21:24:42,206 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 21:24:42,207 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 21:24:42,207 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_15-1.c [2019-09-18 21:24:42,277 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1c24b0e7/77bf5f00bb4c473c8e172c2d657afc00/FLAG380af1223 [2019-09-18 21:24:42,723 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 21:24:42,725 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_15-1.c [2019-09-18 21:24:42,738 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1c24b0e7/77bf5f00bb4c473c8e172c2d657afc00/FLAG380af1223 [2019-09-18 21:24:43,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1c24b0e7/77bf5f00bb4c473c8e172c2d657afc00 [2019-09-18 21:24:43,126 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 21:24:43,128 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 21:24:43,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 21:24:43,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 21:24:43,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 21:24:43,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:24:43" (1/1) ... [2019-09-18 21:24:43,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec8f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:24:43, skipping insertion in model container [2019-09-18 21:24:43,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:24:43" (1/1) ... [2019-09-18 21:24:43,144 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 21:24:43,177 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 21:24:43,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:24:43,375 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 21:24:43,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:24:43,512 INFO L192 MainTranslator]: Completed translation [2019-09-18 21:24:43,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:24:43 WrapperNode [2019-09-18 21:24:43,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 21:24:43,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 21:24:43,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 21:24:43,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 21:24:43,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:24:43" (1/1) ... [2019-09-18 21:24:43,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:24:43" (1/1) ... [2019-09-18 21:24:43,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:24:43" (1/1) ... [2019-09-18 21:24:43,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:24:43" (1/1) ... [2019-09-18 21:24:43,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:24:43" (1/1) ... [2019-09-18 21:24:43,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:24:43" (1/1) ... [2019-09-18 21:24:43,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:24:43" (1/1) ... [2019-09-18 21:24:43,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 21:24:43,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 21:24:43,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 21:24:43,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 21:24:43,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:24:43" (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 [2019-09-18 21:24:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 21:24:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 21:24:43,613 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 21:24:43,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 21:24:43,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 21:24:43,614 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 21:24:43,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 21:24:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 21:24:44,242 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 21:24:44,243 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-18 21:24:44,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:24:44 BoogieIcfgContainer [2019-09-18 21:24:44,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 21:24:44,245 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 21:24:44,245 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 21:24:44,246 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 21:24:44,247 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:24:44" (1/1) ... [2019-09-18 21:24:44,247 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 21:24:44,272 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 21:24:44,272 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 21:24:44,281 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 21:24:44,292 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 21:24:44,294 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 21:24:44,354 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-18 21:24:44,549 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2019-09-18 21:24:45,852 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 32768 conjuctions. This might take some time... [2019-09-18 21:30:26,299 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2019-09-18 21:30:26,905 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 32768 conjuctions. This might take some time... [2019-09-18 21:36:09,045 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2019-09-18 21:36:09,254 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2019-09-18 21:36:10,500 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-09-18 21:36:10,697 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2019-09-18 21:36:10,874 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-18 21:36:10,976 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-18 21:36:11,206 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-18 21:36:11,579 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-09-18 21:36:12,202 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-18 21:36:12,427 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-18 21:36:13,071 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2019-09-18 21:36:13,598 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-09-18 21:36:13,672 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2019-09-18 21:36:13,911 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 32768 conjuctions. This might take some time...