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.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/stateful_check.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 16:25:35,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 16:25:35,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 16:25:35,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 16:25:35,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 16:25:35,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 16:25:35,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 16:25:35,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 16:25:35,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 16:25:35,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 16:25:35,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 16:25:35,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 16:25:35,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 16:25:35,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 16:25:35,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 16:25:35,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 16:25:35,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 16:25:35,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 16:25:35,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 16:25:35,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 16:25:35,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 16:25:35,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 16:25:35,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 16:25:35,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 16:25:35,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 16:25:35,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 16:25:35,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 16:25:35,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 16:25:35,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 16:25:35,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 16:25:35,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 16:25:35,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 16:25:35,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 16:25:35,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 16:25:35,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 16:25:35,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 16:25:35,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 16:25:35,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 16:25:35,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 16:25:35,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 16:25:35,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 16:25:35,418 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 [2019-09-17 16:25:35,432 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 16:25:35,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 16:25:35,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 16:25:35,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 16:25:35,437 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 16:25:35,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 16:25:35,437 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 16:25:35,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 16:25:35,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 16:25:35,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 16:25:35,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 16:25:35,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 16:25:35,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 16:25:35,439 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 16:25:35,439 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 16:25:35,439 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 16:25:35,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 16:25:35,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 16:25:35,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 16:25:35,440 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 16:25:35,440 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 16:25:35,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 16:25:35,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 16:25:35,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 16:25:35,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 16:25:35,441 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 16:25:35,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 16:25:35,443 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 16:25:35,443 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-17 16:25:35,488 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 16:25:35,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 16:25:35,506 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 16:25:35,507 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 16:25:35,508 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 16:25:35,508 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/stateful_check.c [2019-09-17 16:25:35,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbc37d40d/d646219a1d424dc5bd7418a6b6364565/FLAGbab585d58 [2019-09-17 16:25:36,054 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 16:25:36,055 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/stateful_check.c [2019-09-17 16:25:36,063 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbc37d40d/d646219a1d424dc5bd7418a6b6364565/FLAGbab585d58 [2019-09-17 16:25:36,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbc37d40d/d646219a1d424dc5bd7418a6b6364565 [2019-09-17 16:25:36,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 16:25:36,453 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 16:25:36,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 16:25:36,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 16:25:36,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 16:25:36,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:25:36" (1/1) ... [2019-09-17 16:25:36,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6912290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:36, skipping insertion in model container [2019-09-17 16:25:36,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:25:36" (1/1) ... [2019-09-17 16:25:36,470 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 16:25:36,490 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 16:25:36,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:25:36,674 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 16:25:36,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:25:36,706 INFO L192 MainTranslator]: Completed translation [2019-09-17 16:25:36,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:36 WrapperNode [2019-09-17 16:25:36,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 16:25:36,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 16:25:36,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 16:25:36,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 16:25:36,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:36" (1/1) ... [2019-09-17 16:25:36,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:36" (1/1) ... [2019-09-17 16:25:36,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:36" (1/1) ... [2019-09-17 16:25:36,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:36" (1/1) ... [2019-09-17 16:25:36,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:36" (1/1) ... [2019-09-17 16:25:36,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:36" (1/1) ... [2019-09-17 16:25:36,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:36" (1/1) ... [2019-09-17 16:25:36,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 16:25:36,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 16:25:36,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 16:25:36,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 16:25:36,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:36" (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 [2019-09-17 16:25:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 16:25:36,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 16:25:36,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-17 16:25:36,887 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-17 16:25:36,887 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-17 16:25:36,887 INFO L138 BoogieDeclarations]: Found implementation of procedure check_final_state [2019-09-17 16:25:36,887 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_release [2019-09-17 16:25:36,887 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_llseek [2019-09-17 16:25:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_read [2019-09-17 16:25:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_open [2019-09-17 16:25:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure my_init [2019-09-17 16:25:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 16:25:36,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 16:25:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-17 16:25:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 16:25:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-17 16:25:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-17 16:25:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure check_final_state [2019-09-17 16:25:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure misc_release [2019-09-17 16:25:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure misc_llseek [2019-09-17 16:25:36,889 INFO L130 BoogieDeclarations]: Found specification of procedure misc_read [2019-09-17 16:25:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure misc_open [2019-09-17 16:25:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure my_init [2019-09-17 16:25:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 16:25:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 16:25:36,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 16:25:37,268 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 16:25:37,269 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-17 16:25:37,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:25:37 BoogieIcfgContainer [2019-09-17 16:25:37,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 16:25:37,271 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 16:25:37,271 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 16:25:37,271 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 16:25:37,272 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:25:37" (1/1) ... [2019-09-17 16:25:37,273 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-17 16:25:37,302 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 16:25:37,302 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 16:25:37,314 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 16:25:37,323 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 16:25:37,325 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 16:25:37,467 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 11 for LOIs [2019-09-17 16:25:38,835 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 23 [2019-09-17 16:25:39,064 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2019-09-17 16:25:39,186 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 26 [2019-09-17 16:25:40,124 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-09-17 16:25:40,248 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 30 [2019-09-17 16:25:40,450 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2019-09-17 16:25:41,241 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2019-09-17 16:25:41,479 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-17 16:25:41,672 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-09-17 16:25:41,981 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2019-09-17 16:25:42,135 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 26 [2019-09-17 16:25:42,413 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 29 [2019-09-17 16:25:42,599 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2019-09-17 16:25:42,754 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 35 [2019-09-17 16:25:42,985 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2019-09-17 16:25:43,436 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-17 16:25:43,556 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-17 16:25:43,930 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2019-09-17 16:25:44,450 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-17 16:25:44,644 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-17 16:25:44,752 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-17 16:25:44,974 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-17 16:25:45,221 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-09-17 16:25:45,347 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-17 16:25:45,597 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-17 16:25:45,973 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 35 [2019-09-17 16:25:46,187 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-09-17 16:25:46,383 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 41 [2019-09-17 16:25:46,663 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-09-17 16:25:46,991 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2019-09-17 16:25:47,143 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2019-09-17 16:25:47,294 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 34 [2019-09-17 16:25:47,499 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2019-09-17 16:25:47,669 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 39 [2019-09-17 16:25:47,906 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-17 16:25:48,100 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2019-09-17 16:25:48,210 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2019-09-17 16:25:48,419 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2019-09-17 16:25:48,528 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2019-09-17 16:25:49,032 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2019-09-17 16:25:49,231 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2019-09-17 16:25:49,381 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-09-17 16:25:49,606 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2019-09-17 16:25:49,787 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2019-09-17 16:25:50,055 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-09-17 16:25:50,554 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-17 16:25:50,848 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2019-09-17 16:25:51,073 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-17 16:25:51,182 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-17 16:25:51,292 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-17 16:25:51,549 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-09-17 16:25:51,857 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-17 16:25:51,982 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-17 16:25:52,262 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-17 16:25:52,572 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-17 16:25:52,716 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-17 16:25:53,048 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2019-09-17 16:25:53,276 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2019-09-17 16:25:53,628 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 39 [2019-09-17 16:25:53,849 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-17 16:25:54,130 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 41 [2019-09-17 16:25:54,374 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-09-17 16:25:54,862 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2019-09-17 16:25:55,088 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-17 16:25:55,237 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-17 16:25:55,412 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-17 16:25:55,587 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 31 [2019-09-17 16:25:56,065 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-17 16:25:56,313 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 51 [2019-09-17 16:25:56,621 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-17 16:25:56,881 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2019-09-17 16:25:57,000 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-17 16:25:57,271 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2019-09-17 16:25:57,508 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 34 [2019-09-17 16:25:57,828 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 38 [2019-09-17 16:25:58,041 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-17 16:25:58,301 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 40 [2019-09-17 16:25:58,512 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2019-09-17 16:25:58,776 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2019-09-17 16:25:58,968 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-17 16:25:59,132 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2019-09-17 16:25:59,351 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-17 16:25:59,557 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2019-09-17 16:25:59,737 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2019-09-17 16:25:59,847 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2019-09-17 16:26:00,450 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2019-09-17 16:26:00,656 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2019-09-17 16:26:00,815 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2019-09-17 16:26:01,059 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-09-17 16:26:01,278 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2019-09-17 16:26:01,612 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2019-09-17 16:26:01,725 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2019-09-17 16:26:02,338 INFO L199 IcfgInterpreter]: Interpreting procedure check_final_state with input of size 6 for LOIs [2019-09-17 16:26:02,339 INFO L199 IcfgInterpreter]: Interpreting procedure misc_release with input of size 11 for LOIs [2019-09-17 16:26:02,459 INFO L199 IcfgInterpreter]: Interpreting procedure mutex_lock with input of size 8 for LOIs [2019-09-17 16:26:02,478 INFO L199 IcfgInterpreter]: Interpreting procedure mutex_unlock with input of size 10 for LOIs [2019-09-17 16:26:02,496 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 8 for LOIs [2019-09-17 16:26:02,515 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 16:26:02,515 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 16:26:02,518 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 680#(and (<= 1 ~ldv_mutex~0) (<= ~ldv_mutex~0 2) (not (= 1 ~ldv_mutex~0))) [2019-09-17 16:26:02,527 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 16:26:02,527 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 16:26:02,529 INFO L168 Benchmark]: Toolchain (without parser) took 26076.02 ms. Allocated memory was 138.9 MB in the beginning and 438.3 MB in the end (delta: 299.4 MB). Free memory was 85.7 MB in the beginning and 254.6 MB in the end (delta: -168.9 MB). Peak memory consumption was 130.4 MB. Max. memory is 7.1 GB. [2019-09-17 16:26:02,530 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 16:26:02,530 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.36 ms. Allocated memory is still 138.9 MB. Free memory was 85.5 MB in the beginning and 75.2 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-09-17 16:26:02,531 INFO L168 Benchmark]: Boogie Preprocessor took 127.07 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 75.2 MB in the beginning and 175.2 MB in the end (delta: -99.9 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-17 16:26:02,532 INFO L168 Benchmark]: RCFGBuilder took 434.88 ms. Allocated memory is still 198.7 MB. Free memory was 175.2 MB in the beginning and 152.7 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-09-17 16:26:02,533 INFO L168 Benchmark]: Sifa took 25256.87 ms. Allocated memory was 198.7 MB in the beginning and 438.3 MB in the end (delta: 239.6 MB). Free memory was 152.7 MB in the beginning and 254.6 MB in the end (delta: -102.0 MB). Peak memory consumption was 137.6 MB. Max. memory is 7.1 GB. [2019-09-17 16:26:02,537 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 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 253.36 ms. Allocated memory is still 138.9 MB. Free memory was 85.5 MB in the beginning and 75.2 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.07 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 75.2 MB in the beginning and 175.2 MB in the end (delta: -99.9 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 434.88 ms. Allocated memory is still 198.7 MB. Free memory was 175.2 MB in the beginning and 152.7 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Sifa took 25256.87 ms. Allocated memory was 198.7 MB in the beginning and 438.3 MB in the end (delta: 239.6 MB). Free memory was 152.7 MB in the beginning and 254.6 MB in the end (delta: -102.0 MB). Peak memory consumption was 137.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 25216, ICFG_INTERPRETER_ENTERED_PROCEDURES: 7, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 296, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 225, TOOLS_POST_TIME[ms]: 174, TOOLS_POST_CALL_APPLICATIONS: 50, TOOLS_POST_CALL_TIME[ms]: 96, TOOLS_POST_RETURN_APPLICATIONS: 40, TOOLS_POST_RETURN_TIME[ms]: 51, TOOLS_QUANTIFIERELIM_APPLICATIONS: 315, TOOLS_QUANTIFIERELIM_TIME[ms]: 230, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 310, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 83, DOMAIN_JOIN_TIME[ms]: 23101, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 1507, DOMAIN_ISSUBSETEQ_APPLICATIONS: 14, DOMAIN_ISSUBSETEQ_TIME[ms]: 26, DOMAIN_ISBOTTOM_APPLICATIONS: 59, DOMAIN_ISBOTTOM_TIME[ms]: 109, LOOP_SUMMARIZER_APPLICATIONS: 7, LOOP_SUMMARIZER_CACHE_MISSES: 7, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 23020, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 23019, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 14, CALL_SUMMARIZER_APPLICATIONS: 40, CALL_SUMMARIZER_CACHE_MISSES: 9, CALL_SUMMARIZER_OVERALL_TIME[ms]: 504, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 503, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 13, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 36, 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 680#(and (<= 1 ~ldv_mutex~0) (<= ~ldv_mutex~0 2) (not (= 1 ~ldv_mutex~0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...