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 -i ../../../trunk/examples/svcomp/ldv-regression/mutex_lock_struct.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:52:58,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:52:58,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:52:58,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:52:58,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:52:58,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:52:58,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:52:58,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:52:58,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:52:58,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:52:58,759 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:52:58,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:52:58,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:52:58,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:52:58,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:52:58,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:52:58,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:52:58,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:52:58,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:52:58,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:52:58,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:52:58,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:52:58,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:52:58,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:52:58,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:52:58,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:52:58,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:52:58,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:52:58,804 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 [2019-08-18 06:52:58,825 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:52:58,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:52:58,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:52:58,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:52:58,828 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:52:58,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:52:58,829 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:52:58,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:52:58,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:52:58,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:52:58,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:52:58,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:52:58,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:52:58,831 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:52:58,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:52:58,832 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:52:58,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:52:58,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:52:58,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:52:58,833 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:52:58,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:52:58,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:52:58,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:52:58,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:52:58,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:52:58,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:52:58,834 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:52:58,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:52:58,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:52:58,888 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:52:58,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:52:58,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:52:58,906 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:52:58,907 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:52:58,907 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/mutex_lock_struct.i [2019-08-18 06:52:58,972 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/092b8afa8/65de626755514a95a960c1d86b16d07d/FLAGb2949dd4c [2019-08-18 06:52:59,424 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:52:59,426 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/mutex_lock_struct.i [2019-08-18 06:52:59,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/092b8afa8/65de626755514a95a960c1d86b16d07d/FLAGb2949dd4c [2019-08-18 06:52:59,809 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/092b8afa8/65de626755514a95a960c1d86b16d07d [2019-08-18 06:52:59,817 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:52:59,819 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:52:59,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:52:59,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:52:59,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:52:59,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:52:59" (1/1) ... [2019-08-18 06:52:59,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65a6f64f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:52:59, skipping insertion in model container [2019-08-18 06:52:59,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:52:59" (1/1) ... [2019-08-18 06:52:59,834 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:52:59,849 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:53:00,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:53:00,015 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:53:00,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:53:00,048 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:53:00,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:00 WrapperNode [2019-08-18 06:53:00,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:53:00,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:53:00,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:53:00,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:53:00,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:00" (1/1) ... [2019-08-18 06:53:00,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:00" (1/1) ... [2019-08-18 06:53:00,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:00" (1/1) ... [2019-08-18 06:53:00,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:00" (1/1) ... [2019-08-18 06:53:00,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:00" (1/1) ... [2019-08-18 06:53:00,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:00" (1/1) ... [2019-08-18 06:53:00,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:00" (1/1) ... [2019-08-18 06:53:00,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:53:00,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:53:00,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:53:00,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:53:00,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:00" (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 [2019-08-18 06:53:00,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:53:00,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:53:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2019-08-18 06:53:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-08-18 06:53:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-08-18 06:53:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:53:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:53:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure err [2019-08-18 06:53:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-08-18 06:53:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:53:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:53:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-08-18 06:53:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:53:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:53:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:53:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:53:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:53:00,429 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:53:00,430 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 06:53:00,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:53:00 BoogieIcfgContainer [2019-08-18 06:53:00,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:53:00,433 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:53:00,433 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:53:00,434 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:53:00,435 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:53:00" (1/1) ... [2019-08-18 06:53:00,451 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:53:00,454 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:53:00,461 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:53:00,471 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:53:00,473 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:53:00,585 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 06:53:00,586 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:00,614 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:00,615 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:53:00,616 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 06:53:00,631 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-18 06:53:00,670 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2019-08-18 06:53:00,671 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:00,689 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:00,690 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:53:00,690 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:14 [2019-08-18 06:53:00,704 INFO L392 ElimStorePlain]: Different costs {0=[|v_old(#length)_BEFORE_CALL_1|], 3=[|v_old(#valid)_BEFORE_CALL_1|]} [2019-08-18 06:53:00,713 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 06:53:00,713 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:00,768 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:00,778 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2019-08-18 06:53:00,779 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:00,844 INFO L567 ElimStorePlain]: treesize reduction 4, result has 90.5 percent of original size [2019-08-18 06:53:00,844 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:53:00,845 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:49, output treesize:38 [2019-08-18 06:53:00,862 INFO L392 ElimStorePlain]: Different costs {0=[|v_old(#length)_BEFORE_CALL_2|], 3=[|v_old(#valid)_BEFORE_CALL_2|]} [2019-08-18 06:53:00,873 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 06:53:00,873 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:00,915 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:00,932 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2019-08-18 06:53:00,934 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:00,993 INFO L567 ElimStorePlain]: treesize reduction 4, result has 91.3 percent of original size [2019-08-18 06:53:01,010 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-18 06:53:01,011 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:01,036 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:01,037 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:53:01,037 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:53, output treesize:38 [2019-08-18 06:53:01,039 INFO L185 IcfgInterpreter]: Interpreting procedure mutex_lock with input of size 31 [2019-08-18 06:53:01,050 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:01,077 INFO L185 IcfgInterpreter]: Interpreting procedure err with input of size 36 [2019-08-18 06:53:01,078 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:53:01,078 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:53:01,084 INFO L179 IcfgInterpreter]: Location errErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 34#(exists ((v_prenex_1 Int) (v_mutex_lock_~a.base_BEFORE_CALL_1 Int)) (or (and (= (select (select |#memory_int| v_prenex_1) 0) 0) (= 1 (select |#valid| v_prenex_1)) (= 0 |#NULL.base|) (< v_prenex_1 |#StackHeapBarrier|) (= 0 (select |#valid| 0)) (= (select (select |#memory_int| v_prenex_1) 0) 1) (= (select |#length| v_prenex_1) 4) (= |#NULL.offset| 0)) (and (< v_mutex_lock_~a.base_BEFORE_CALL_1 |#StackHeapBarrier|) (= (select (select |#memory_int| v_mutex_lock_~a.base_BEFORE_CALL_1) 0) 1) (= (select |#length| v_mutex_lock_~a.base_BEFORE_CALL_1) 4) (= 0 |#NULL.base|) (= 0 (select |#valid| 0)) (= 1 (select |#valid| v_mutex_lock_~a.base_BEFORE_CALL_1)) (= |#NULL.offset| 0)))) [2019-08-18 06:53:01,099 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:53:01,099 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:53:01,103 INFO L168 Benchmark]: Toolchain (without parser) took 1282.52 ms. Allocated memory was 130.0 MB in the beginning and 198.2 MB in the end (delta: 68.2 MB). Free memory was 86.0 MB in the beginning and 117.6 MB in the end (delta: -31.5 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:01,108 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 130.0 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:53:01,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.27 ms. Allocated memory is still 130.0 MB. Free memory was 85.6 MB in the beginning and 76.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:01,111 INFO L168 Benchmark]: Boogie Preprocessor took 126.64 ms. Allocated memory was 130.0 MB in the beginning and 198.2 MB in the end (delta: 68.2 MB). Free memory was 76.1 MB in the beginning and 174.9 MB in the end (delta: -98.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:01,112 INFO L168 Benchmark]: RCFGBuilder took 255.31 ms. Allocated memory is still 198.2 MB. Free memory was 174.9 MB in the beginning and 160.6 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:01,113 INFO L168 Benchmark]: Symbolic Interpretation took 666.73 ms. Allocated memory is still 198.2 MB. Free memory was 160.6 MB in the beginning and 117.6 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 7.1 GB. [2019-08-18 06:53:01,129 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 13]: 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 34#(exists ((v_prenex_1 Int) (v_mutex_lock_~a.base_BEFORE_CALL_1 Int)) (or (and (= (select (select |#memory_int| v_prenex_1) 0) 0) (= 1 (select |#valid| v_prenex_1)) (= 0 |#NULL.base|) (< v_prenex_1 |#StackHeapBarrier|) (= 0 (select |#valid| 0)) (= (select (select |#memory_int| v_prenex_1) 0) 1) (= (select |#length| v_prenex_1) 4) (= |#NULL.offset| 0)) (and (< v_mutex_lock_~a.base_BEFORE_CALL_1 |#StackHeapBarrier|) (= (select (select |#memory_int| v_mutex_lock_~a.base_BEFORE_CALL_1) 0) 1) (= (select |#length| v_mutex_lock_~a.base_BEFORE_CALL_1) 4) (= 0 |#NULL.base|) (= 0 (select |#valid| 0)) (= 1 (select |#valid| v_mutex_lock_~a.base_BEFORE_CALL_1)) (= |#NULL.offset| 0)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 130.0 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 230.27 ms. Allocated memory is still 130.0 MB. Free memory was 85.6 MB in the beginning and 76.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.64 ms. Allocated memory was 130.0 MB in the beginning and 198.2 MB in the end (delta: 68.2 MB). Free memory was 76.1 MB in the beginning and 174.9 MB in the end (delta: -98.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 255.31 ms. Allocated memory is still 198.2 MB. Free memory was 174.9 MB in the beginning and 160.6 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 666.73 ms. Allocated memory is still 198.2 MB. Free memory was 160.6 MB in the beginning and 117.6 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...