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-fea9116 [2019-09-20 17:25:55,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:25:55,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:25:55,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:25:55,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:25:55,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:25:55,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:25:55,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:25:55,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:25:55,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:25:55,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:25:55,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:25:55,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:25:55,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:25:55,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:25:55,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:25:55,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:25:55,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:25:55,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:25:55,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:25:55,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:25:55,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:25:55,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:25:55,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:25:55,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:25:55,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:25:55,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:25:55,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:25:55,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:25:55,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:25:55,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:25:55,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:25:55,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:25:55,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:25:55,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:25:55,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:25:55,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:25:55,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:25:55,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:25:55,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:25:55,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:25:55,492 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 17:25:55,507 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:25:55,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:25:55,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:25:55,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:25:55,509 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:25:55,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:25:55,510 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:25:55,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:25:55,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:25:55,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:25:55,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:25:55,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:25:55,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:25:55,511 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:25:55,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:25:55,511 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:25:55,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:25:55,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:25:55,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:25:55,512 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:25:55,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:25:55,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:25:55,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:25:55,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:25:55,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:25:55,513 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:25:55,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:25:55,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:25:55,514 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 [2019-09-20 17:25:55,549 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:25:55,559 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:25:55,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:25:55,564 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:25:55,564 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:25:55,565 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/stateful_check.c [2019-09-20 17:25:55,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c5175004/d9d90bd09b3b436b93ba365c90f6d422/FLAGae7773205 [2019-09-20 17:25:56,052 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:25:56,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/stateful_check.c [2019-09-20 17:25:56,060 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c5175004/d9d90bd09b3b436b93ba365c90f6d422/FLAGae7773205 [2019-09-20 17:25:56,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c5175004/d9d90bd09b3b436b93ba365c90f6d422 [2019-09-20 17:25:56,410 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:25:56,411 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:25:56,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:25:56,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:25:56,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:25:56,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:25:56" (1/1) ... [2019-09-20 17:25:56,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18826096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:25:56, skipping insertion in model container [2019-09-20 17:25:56,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:25:56" (1/1) ... [2019-09-20 17:25:56,430 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:25:56,454 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:25:56,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:25:56,691 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:25:56,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:25:56,727 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:25:56,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:25:56 WrapperNode [2019-09-20 17:25:56,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:25:56,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:25:56,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:25:56,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:25:56,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:25:56" (1/1) ... [2019-09-20 17:25:56,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:25:56" (1/1) ... [2019-09-20 17:25:56,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:25:56" (1/1) ... [2019-09-20 17:25:56,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:25:56" (1/1) ... [2019-09-20 17:25:56,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:25:56" (1/1) ... [2019-09-20 17:25:56,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:25:56" (1/1) ... [2019-09-20 17:25:56,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:25:56" (1/1) ... [2019-09-20 17:25:56,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:25:56,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:25:56,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:25:56,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:25:56,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:25:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:25:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:25:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:25:56,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-20 17:25:56,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-20 17:25:56,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-20 17:25:56,910 INFO L138 BoogieDeclarations]: Found implementation of procedure check_final_state [2019-09-20 17:25:56,910 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_release [2019-09-20 17:25:56,911 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_llseek [2019-09-20 17:25:56,911 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_read [2019-09-20 17:25:56,911 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_open [2019-09-20 17:25:56,911 INFO L138 BoogieDeclarations]: Found implementation of procedure my_init [2019-09-20 17:25:56,911 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:25:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:25:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-20 17:25:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 17:25:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-20 17:25:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-20 17:25:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure check_final_state [2019-09-20 17:25:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure misc_release [2019-09-20 17:25:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure misc_llseek [2019-09-20 17:25:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure misc_read [2019-09-20 17:25:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure misc_open [2019-09-20 17:25:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure my_init [2019-09-20 17:25:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:25:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:25:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:25:57,328 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:25:57,328 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 17:25:57,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:25:57 BoogieIcfgContainer [2019-09-20 17:25:57,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:25:57,330 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:25:57,331 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:25:57,331 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:25:57,332 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:25:57" (1/1) ... [2019-09-20 17:25:57,332 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 [2019-09-20 17:25:57,356 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:25:57,357 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:25:57,365 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:25:57,375 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:25:57,376 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:25:57,517 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 11 for LOIs [2019-09-20 17:25:58,957 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 23 [2019-09-20 17:25:59,194 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2019-09-20 17:25:59,318 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 26 [2019-09-20 17:26:00,079 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 25 [2019-09-20 17:26:00,326 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-09-20 17:26:00,457 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 30 [2019-09-20 17:26:00,698 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2019-09-20 17:26:01,648 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2019-09-20 17:26:01,903 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 17:26:02,098 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-09-20 17:26:02,420 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2019-09-20 17:26:02,584 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 26 [2019-09-20 17:26:02,908 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 29 [2019-09-20 17:26:03,192 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2019-09-20 17:26:03,368 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 35 [2019-09-20 17:26:03,611 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2019-09-20 17:26:03,863 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2019-09-20 17:26:04,010 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-09-20 17:26:04,212 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-09-20 17:26:04,346 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 17:26:04,726 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2019-09-20 17:26:04,906 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 30 [2019-09-20 17:26:05,275 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-20 17:26:05,481 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-20 17:26:05,827 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-20 17:26:06,073 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-09-20 17:26:06,186 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 17:26:06,448 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-20 17:26:06,599 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 31 [2019-09-20 17:26:06,870 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 35 [2019-09-20 17:26:07,077 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-09-20 17:26:07,293 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 41 [2019-09-20 17:26:07,575 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-09-20 17:26:07,934 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2019-09-20 17:26:08,097 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2019-09-20 17:26:08,261 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 34 [2019-09-20 17:26:08,470 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2019-09-20 17:26:08,654 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 39 [2019-09-20 17:26:08,909 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 17:26:09,138 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2019-09-20 17:26:09,443 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2019-09-20 17:26:10,061 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2019-09-20 17:26:10,269 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2019-09-20 17:26:10,445 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-09-20 17:26:10,690 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2019-09-20 17:26:10,888 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2019-09-20 17:26:11,157 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-09-20 17:26:11,684 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-20 17:26:12,005 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2019-09-20 17:26:12,234 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2019-09-20 17:26:12,352 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-20 17:26:12,467 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-20 17:26:12,770 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-09-20 17:26:13,070 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-20 17:26:13,206 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 17:26:13,503 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-20 17:26:13,843 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-20 17:26:14,001 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 17:26:14,370 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2019-09-20 17:26:14,600 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2019-09-20 17:26:14,769 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2019-09-20 17:26:14,974 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 39 [2019-09-20 17:26:15,212 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-20 17:26:15,516 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 41 [2019-09-20 17:26:15,798 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-09-20 17:26:16,312 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2019-09-20 17:26:16,541 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-20 17:26:16,702 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-20 17:26:16,913 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-20 17:26:17,083 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 31 [2019-09-20 17:26:17,597 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-20 17:26:17,852 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 51 [2019-09-20 17:26:18,175 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-20 17:26:18,455 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2019-09-20 17:26:18,584 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 17:26:18,882 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2019-09-20 17:26:19,107 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 34 [2019-09-20 17:26:19,452 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 38 [2019-09-20 17:26:19,700 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 17:26:19,972 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 40 [2019-09-20 17:26:20,191 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2019-09-20 17:26:20,476 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2019-09-20 17:26:20,681 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-20 17:26:20,861 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2019-09-20 17:26:21,141 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 17:26:21,339 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2019-09-20 17:26:21,531 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2019-09-20 17:26:21,653 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2019-09-20 17:26:21,958 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2019-09-20 17:26:22,124 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2019-09-20 17:26:22,294 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2019-09-20 17:26:22,512 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2019-09-20 17:26:22,689 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2019-09-20 17:26:22,956 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-09-20 17:26:23,201 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2019-09-20 17:26:23,309 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-09-20 17:26:23,555 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2019-09-20 17:26:23,675 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2019-09-20 17:26:23,843 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-20 17:26:23,952 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2019-09-20 17:26:24,120 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2019-09-20 17:26:24,337 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2019-09-20 17:26:24,340 INFO L199 IcfgInterpreter]: Interpreting procedure check_final_state with input of size 6 for LOIs [2019-09-20 17:26:24,342 INFO L199 IcfgInterpreter]: Interpreting procedure misc_release with input of size 11 for LOIs [2019-09-20 17:26:24,482 INFO L199 IcfgInterpreter]: Interpreting procedure mutex_lock with input of size 8 for LOIs [2019-09-20 17:26:24,503 INFO L199 IcfgInterpreter]: Interpreting procedure mutex_unlock with input of size 10 for LOIs [2019-09-20 17:26:24,525 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 8 for LOIs [2019-09-20 17:26:24,545 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 17:26:24,546 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 17:26:24,548 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))) [2019-09-20 17:26:24,560 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 17:26:24,560 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 17:26:24,561 INFO L168 Benchmark]: Toolchain (without parser) took 28150.55 ms. Allocated memory was 132.6 MB in the beginning and 442.5 MB in the end (delta: 309.9 MB). Free memory was 88.8 MB in the beginning and 195.5 MB in the end (delta: -106.8 MB). Peak memory consumption was 203.1 MB. Max. memory is 7.1 GB. [2019-09-20 17:26:24,562 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 17:26:24,563 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.64 ms. Allocated memory is still 132.6 MB. Free memory was 88.6 MB in the beginning and 78.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-09-20 17:26:24,564 INFO L168 Benchmark]: Boogie Preprocessor took 115.69 ms. Allocated memory was 132.6 MB in the beginning and 197.7 MB in the end (delta: 65.0 MB). Free memory was 78.5 MB in the beginning and 174.1 MB in the end (delta: -95.6 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-09-20 17:26:24,564 INFO L168 Benchmark]: RCFGBuilder took 485.85 ms. Allocated memory is still 197.7 MB. Free memory was 174.1 MB in the beginning and 150.6 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2019-09-20 17:26:24,565 INFO L168 Benchmark]: Sifa took 27229.59 ms. Allocated memory was 197.7 MB in the beginning and 442.5 MB in the end (delta: 244.8 MB). Free memory was 150.6 MB in the beginning and 195.5 MB in the end (delta: -44.9 MB). Peak memory consumption was 200.0 MB. Max. memory is 7.1 GB. [2019-09-20 17:26:24,569 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 315.64 ms. Allocated memory is still 132.6 MB. Free memory was 88.6 MB in the beginning and 78.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.69 ms. Allocated memory was 132.6 MB in the beginning and 197.7 MB in the end (delta: 65.0 MB). Free memory was 78.5 MB in the beginning and 174.1 MB in the end (delta: -95.6 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 485.85 ms. Allocated memory is still 197.7 MB. Free memory was 174.1 MB in the beginning and 150.6 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Sifa took 27229.59 ms. Allocated memory was 197.7 MB in the beginning and 442.5 MB in the end (delta: 244.8 MB). Free memory was 150.6 MB in the beginning and 195.5 MB in the end (delta: -44.9 MB). Peak memory consumption was 200.0 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]: 27192, ICFG_INTERPRETER_ENTERED_PROCEDURES: 7, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 296, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 225, TOOLS_POST_TIME[ms]: 188, TOOLS_POST_CALL_APPLICATIONS: 50, TOOLS_POST_CALL_TIME[ms]: 99, TOOLS_POST_RETURN_APPLICATIONS: 40, TOOLS_POST_RETURN_TIME[ms]: 48, TOOLS_QUANTIFIERELIM_APPLICATIONS: 315, TOOLS_QUANTIFIERELIM_TIME[ms]: 241, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 18, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 310, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 83, DOMAIN_JOIN_TIME[ms]: 24947, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 1629, DOMAIN_ISSUBSETEQ_APPLICATIONS: 14, DOMAIN_ISSUBSETEQ_TIME[ms]: 22, DOMAIN_ISBOTTOM_APPLICATIONS: 59, DOMAIN_ISBOTTOM_TIME[ms]: 114, LOOP_SUMMARIZER_APPLICATIONS: 7, LOOP_SUMMARIZER_CACHE_MISSES: 7, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 24789, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 24788, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 14, CALL_SUMMARIZER_APPLICATIONS: 40, CALL_SUMMARIZER_CACHE_MISSES: 9, CALL_SUMMARIZER_OVERALL_TIME[ms]: 627, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 626, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 35, 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...