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_int.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:44:25,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:44:25,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:44:26,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:44:26,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:44:26,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:44:26,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:44:26,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:44:26,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:44:26,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:44:26,024 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:44:26,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:44:26,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:44:26,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:44:26,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:44:26,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:44:26,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:44:26,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:44:26,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:44:26,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:44:26,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:44:26,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:44:26,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:44:26,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:44:26,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:44:26,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:44:26,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:44:26,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:44:26,067 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 [2019-08-22 21:44:26,093 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:44:26,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:44:26,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:44:26,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:44:26,096 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:44:26,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:44:26,096 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:44:26,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:44:26,097 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:44:26,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:44:26,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:44:26,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:44:26,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:44:26,099 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:44:26,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:44:26,099 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:44:26,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:44:26,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:44:26,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:44:26,100 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:44:26,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:44:26,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:44:26,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:44:26,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:44:26,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:44:26,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:44:26,102 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:44:26,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:44:26,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:44:26,143 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:44:26,154 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:44:26,157 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:44:26,158 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:44:26,159 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:44:26,159 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/mutex_lock_int.i [2019-08-22 21:44:26,216 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c9c36bea/1d7e7c8e31c6436699cf2aafad9b1556/FLAG9c164466e [2019-08-22 21:44:26,625 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:44:26,626 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/mutex_lock_int.i [2019-08-22 21:44:26,633 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c9c36bea/1d7e7c8e31c6436699cf2aafad9b1556/FLAG9c164466e [2019-08-22 21:44:27,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c9c36bea/1d7e7c8e31c6436699cf2aafad9b1556 [2019-08-22 21:44:27,036 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:44:27,037 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:44:27,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:44:27,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:44:27,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:44:27,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:44:27" (1/1) ... [2019-08-22 21:44:27,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@252f9f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:27, skipping insertion in model container [2019-08-22 21:44:27,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:44:27" (1/1) ... [2019-08-22 21:44:27,053 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:44:27,071 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:44:27,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:44:27,254 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:44:27,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:44:27,282 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:44:27,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:27 WrapperNode [2019-08-22 21:44:27,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:44:27,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:44:27,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:44:27,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:44:27,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:27" (1/1) ... [2019-08-22 21:44:27,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:27" (1/1) ... [2019-08-22 21:44:27,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:27" (1/1) ... [2019-08-22 21:44:27,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:27" (1/1) ... [2019-08-22 21:44:27,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:27" (1/1) ... [2019-08-22 21:44:27,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:27" (1/1) ... [2019-08-22 21:44:27,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:27" (1/1) ... [2019-08-22 21:44:27,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:44:27,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:44:27,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:44:27,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:44:27,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:44:27" (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 [2019-08-22 21:44:27,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:44:27,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:44:27,456 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2019-08-22 21:44:27,456 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-08-22 21:44:27,456 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-08-22 21:44:27,456 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:44:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:44:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure err [2019-08-22 21:44:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-08-22 21:44:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:44:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:44:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-08-22 21:44:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:44:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 21:44:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:44:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:44:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:44:27,674 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:44:27,674 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 21:44:27,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:44:27 BoogieIcfgContainer [2019-08-22 21:44:27,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:44:27,683 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:44:27,683 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:44:27,683 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:44:27,684 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:44:27" (1/1) ... [2019-08-22 21:44:27,715 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:44:27,720 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:44:27,725 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:44:27,735 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:44:27,736 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:44:27,823 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 [2019-08-22 21:44:27,824 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:27,859 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:27,860 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:44:27,860 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-22 21:44:27,879 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 21 [2019-08-22 21:44:27,908 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 [2019-08-22 21:44:27,909 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:27,920 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:27,921 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:44:27,921 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:14 [2019-08-22 21:44:27,937 INFO L392 ElimStorePlain]: Different costs {0=[|v_old(#length)_BEFORE_CALL_1|], 3=[|v_old(#valid)_BEFORE_CALL_1|]} [2019-08-22 21:44:27,953 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 [2019-08-22 21:44:27,953 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:28,056 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2019-08-22 21:44:28,057 INFO L567 ElimStorePlain]: treesize reduction 9, result has 85.0 percent of original size [2019-08-22 21:44:28,070 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 [2019-08-22 21:44:28,073 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:28,131 INFO L567 ElimStorePlain]: treesize reduction 4, result has 91.1 percent of original size [2019-08-22 21:44:28,132 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:44:28,132 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:61, output treesize:41 [2019-08-22 21:44:28,150 INFO L392 ElimStorePlain]: Different costs {0=[|v_old(#length)_BEFORE_CALL_2|], 3=[|v_old(#valid)_BEFORE_CALL_2|]} [2019-08-22 21:44:28,161 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 [2019-08-22 21:44:28,162 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:28,238 INFO L567 ElimStorePlain]: treesize reduction 9, result has 85.9 percent of original size [2019-08-22 21:44:28,246 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 [2019-08-22 21:44:28,247 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:28,305 INFO L567 ElimStorePlain]: treesize reduction 4, result has 91.8 percent of original size [2019-08-22 21:44:28,316 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 [2019-08-22 21:44:28,317 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:44:28,345 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:44:28,345 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:44:28,346 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:65, output treesize:41 [2019-08-22 21:44:28,349 INFO L185 IcfgInterpreter]: Interpreting procedure mutex_lock with input of size 37 [2019-08-22 21:44:28,354 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:44:28,375 INFO L185 IcfgInterpreter]: Interpreting procedure err with input of size 39 [2019-08-22 21:44:28,376 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:44:28,376 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:44:28,379 INFO L179 IcfgInterpreter]: Reachable states at location errErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 46#(exists ((v_prenex_1 Int) (v_mutex_lock_~a.base_BEFORE_CALL_1 Int)) (or (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) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= (select (select |#memory_int| v_mutex_lock_~a.base_BEFORE_CALL_1) 0) 0) (= 1 (select |#valid| v_mutex_lock_~a.base_BEFORE_CALL_1)) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= 1 (select |#valid| v_prenex_1)) (<= |#NULL.base| 0) (< v_prenex_1 |#StackHeapBarrier|) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= (select (select |#memory_int| v_prenex_1) 0) 1) (= (select |#length| v_prenex_1) 4) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) [2019-08-22 21:44:28,392 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:44:28,392 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:44:28,394 INFO L168 Benchmark]: Toolchain (without parser) took 1357.10 ms. Allocated memory was 141.6 MB in the beginning and 199.2 MB in the end (delta: 57.7 MB). Free memory was 87.7 MB in the beginning and 106.3 MB in the end (delta: -18.7 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. [2019-08-22 21:44:28,395 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.6 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-22 21:44:28,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.43 ms. Allocated memory is still 141.6 MB. Free memory was 87.5 MB in the beginning and 78.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-22 21:44:28,397 INFO L168 Benchmark]: Boogie Preprocessor took 116.82 ms. Allocated memory was 141.6 MB in the beginning and 199.2 MB in the end (delta: 57.7 MB). Free memory was 78.1 MB in the beginning and 176.9 MB in the end (delta: -98.8 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-08-22 21:44:28,398 INFO L168 Benchmark]: RCFGBuilder took 281.56 ms. Allocated memory is still 199.2 MB. Free memory was 176.3 MB in the beginning and 163.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-08-22 21:44:28,399 INFO L168 Benchmark]: Symbolic Interpretation took 709.91 ms. Allocated memory is still 199.2 MB. Free memory was 163.4 MB in the beginning and 106.3 MB in the end (delta: 57.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 7.1 GB. [2019-08-22 21:44:28,403 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 14]: 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 46#(exists ((v_prenex_1 Int) (v_mutex_lock_~a.base_BEFORE_CALL_1 Int)) (or (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) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= (select (select |#memory_int| v_mutex_lock_~a.base_BEFORE_CALL_1) 0) 0) (= 1 (select |#valid| v_mutex_lock_~a.base_BEFORE_CALL_1)) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (= 1 (select |#valid| v_prenex_1)) (<= |#NULL.base| 0) (< v_prenex_1 |#StackHeapBarrier|) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= (select (select |#memory_int| v_prenex_1) 0) 1) (= (select |#length| v_prenex_1) 4) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.6 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 245.43 ms. Allocated memory is still 141.6 MB. Free memory was 87.5 MB in the beginning and 78.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.82 ms. Allocated memory was 141.6 MB in the beginning and 199.2 MB in the end (delta: 57.7 MB). Free memory was 78.1 MB in the beginning and 176.9 MB in the end (delta: -98.8 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 281.56 ms. Allocated memory is still 199.2 MB. Free memory was 176.3 MB in the beginning and 163.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 709.91 ms. Allocated memory is still 199.2 MB. Free memory was 163.4 MB in the beginning and 106.3 MB in the end (delta: 57.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...