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.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:25:45,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:25:45,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:25:45,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:25:45,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:25:45,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:25:45,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:25:45,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:25:45,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:25:45,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:25:45,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:25:45,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:25:45,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:25:45,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:25:45,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:25:45,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:25:45,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:25:45,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:25:45,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:25:45,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:25:45,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:25:45,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:25:45,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:25:45,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:25:45,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 03:25:45,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 03:25:45,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 03:25:45,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 03:25:45,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 03:25:45,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 03:25:45,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 03:25:45,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 03:25:45,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 03:25:45,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:25:45,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:25:45,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:25:45,381 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 [2019-08-31 03:25:45,420 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:25:45,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:25:45,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:25:45,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:25:45,422 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:25:45,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:25:45,423 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:25:45,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:25:45,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:25:45,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:25:45,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:25:45,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:25:45,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:25:45,424 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:25:45,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:25:45,424 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:25:45,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:25:45,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:25:45,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:25:45,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:25:45,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:25:45,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:25:45,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:25:45,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:25:45,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:25:45,427 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:25:45,427 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:25:45,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:25:45,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:25:45,456 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:25:45,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:25:45,474 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:25:45,477 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:25:45,479 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:25:45,479 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/mutex_lock_int.c_1.i [2019-08-31 03:25:45,559 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45cdff39c/cc171290f8bf4886b95696bc3e19aeb5/FLAG7a72235de [2019-08-31 03:25:46,025 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:25:46,026 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/mutex_lock_int.c_1.i [2019-08-31 03:25:46,032 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45cdff39c/cc171290f8bf4886b95696bc3e19aeb5/FLAG7a72235de [2019-08-31 03:25:46,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45cdff39c/cc171290f8bf4886b95696bc3e19aeb5 [2019-08-31 03:25:46,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:25:46,432 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:25:46,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:25:46,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:25:46,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:25:46,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:25:46" (1/1) ... [2019-08-31 03:25:46,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bc1a229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:46, skipping insertion in model container [2019-08-31 03:25:46,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:25:46" (1/1) ... [2019-08-31 03:25:46,449 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:25:46,469 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:25:46,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:25:46,633 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:25:46,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:25:46,663 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:25:46,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:46 WrapperNode [2019-08-31 03:25:46,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:25:46,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:25:46,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:25:46,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:25:46,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:46" (1/1) ... [2019-08-31 03:25:46,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:46" (1/1) ... [2019-08-31 03:25:46,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:46" (1/1) ... [2019-08-31 03:25:46,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:46" (1/1) ... [2019-08-31 03:25:46,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:46" (1/1) ... [2019-08-31 03:25:46,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:46" (1/1) ... [2019-08-31 03:25:46,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:46" (1/1) ... [2019-08-31 03:25:46,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:25:46,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:25:46,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:25:46,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:25:46,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:25:46" (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 [2019-08-31 03:25:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:25:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:25:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2019-08-31 03:25:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-08-31 03:25:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-08-31 03:25:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:25:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:25:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure err [2019-08-31 03:25:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-08-31 03:25:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:25:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:25:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-08-31 03:25:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:25:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 03:25:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:25:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:25:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:25:47,025 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:25:47,026 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 03:25:47,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:25:47 BoogieIcfgContainer [2019-08-31 03:25:47,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:25:47,028 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:25:47,028 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:25:47,028 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:25:47,029 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:25:47" (1/1) ... [2019-08-31 03:25:47,109 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:25:47,109 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:25:47,128 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:25:47,150 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:25:47,152 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:25:47,273 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 [2019-08-31 03:25:47,274 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:25:47,295 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:25:47,296 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:25:47,297 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 03:25:47,321 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-08-31 03:25:47,345 INFO L392 ElimStorePlain]: Different costs {0=[|v_old(#length)_BEFORE_CALL_1|], 3=[|v_old(#valid)_BEFORE_CALL_1|]} [2019-08-31 03:25:47,363 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 [2019-08-31 03:25:47,364 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:25:47,513 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2019-08-31 03:25:47,514 INFO L567 ElimStorePlain]: treesize reduction 9, result has 85.9 percent of original size [2019-08-31 03:25:47,531 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 [2019-08-31 03:25:47,533 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:25:47,601 INFO L567 ElimStorePlain]: treesize reduction 4, result has 91.8 percent of original size [2019-08-31 03:25:47,617 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 [2019-08-31 03:25:47,617 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:25:47,646 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:25:47,647 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:25:47,648 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:65, output treesize:41 [2019-08-31 03:25:47,681 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 [2019-08-31 03:25:47,683 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:25:47,700 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:25:47,701 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:25:47,701 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:14 [2019-08-31 03:25:47,726 INFO L392 ElimStorePlain]: Different costs {0=[|v_old(#length)_BEFORE_CALL_2|], 3=[|v_old(#valid)_BEFORE_CALL_2|]} [2019-08-31 03:25:47,739 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 [2019-08-31 03:25:47,740 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:25:47,815 INFO L567 ElimStorePlain]: treesize reduction 9, result has 85.0 percent of original size [2019-08-31 03:25:47,824 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 [2019-08-31 03:25:47,826 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:25:47,886 INFO L567 ElimStorePlain]: treesize reduction 4, result has 91.1 percent of original size [2019-08-31 03:25:47,886 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:25:47,887 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:61, output treesize:41 [2019-08-31 03:25:47,895 INFO L392 ElimStorePlain]: Different costs {0=[|v_old(#length)_BEFORE_CALL_3|], 3=[|v_old(#valid)_BEFORE_CALL_3|]} [2019-08-31 03:25:47,914 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 [2019-08-31 03:25:47,915 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:25:48,004 INFO L567 ElimStorePlain]: treesize reduction 9, result has 85.9 percent of original size [2019-08-31 03:25:48,020 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 [2019-08-31 03:25:48,021 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:25:48,080 INFO L567 ElimStorePlain]: treesize reduction 4, result has 91.8 percent of original size [2019-08-31 03:25:48,094 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 [2019-08-31 03:25:48,094 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:25:48,120 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:25:48,120 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:25:48,121 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:65, output treesize:41 [2019-08-31 03:25:48,122 INFO L199 IcfgInterpreter]: Interpreting procedure mutex_lock with input of size 28 for LOIs [2019-08-31 03:25:48,136 INFO L199 IcfgInterpreter]: Interpreting procedure mutex_unlock with input of size 28 for LOIs [2019-08-31 03:25:48,145 INFO L199 IcfgInterpreter]: Interpreting procedure err with input of size 26 for LOIs [2019-08-31 03:25:48,146 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 03:25:48,146 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 03:25:48,149 INFO L193 IcfgInterpreter]: Reachable states at location errErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 52#(exists ((v_mutex_lock_~a.base_BEFORE_CALL_2 Int)) (and (= 0 (select (select |#memory_int| v_mutex_lock_~a.base_BEFORE_CALL_2) 0)) (<= |#NULL.base| 0) (= 4 (select |#length| v_mutex_lock_~a.base_BEFORE_CALL_2)) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (< v_mutex_lock_~a.base_BEFORE_CALL_2 |#StackHeapBarrier|) (= 1 (select (select |#memory_int| v_mutex_lock_~a.base_BEFORE_CALL_2) 0)) (= |#NULL.offset| 0) (= 1 (select |#valid| v_mutex_lock_~a.base_BEFORE_CALL_2)))) [2019-08-31 03:25:48,166 INFO L99 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-08-31 03:25:48,167 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 03:25:48,169 INFO L168 Benchmark]: Toolchain (without parser) took 1736.79 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 87.9 MB in the beginning and 79.9 MB in the end (delta: 8.0 MB). Peak memory consumption was 74.6 MB. Max. memory is 7.1 GB. [2019-08-31 03:25:48,170 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-31 03:25:48,171 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.39 ms. Allocated memory is still 132.1 MB. Free memory was 87.7 MB in the beginning and 78.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-31 03:25:48,171 INFO L168 Benchmark]: Boogie Preprocessor took 114.55 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 78.2 MB in the beginning and 175.5 MB in the end (delta: -97.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-08-31 03:25:48,172 INFO L168 Benchmark]: RCFGBuilder took 247.81 ms. Allocated memory is still 198.7 MB. Free memory was 175.5 MB in the beginning and 162.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2019-08-31 03:25:48,173 INFO L168 Benchmark]: Sifa took 1139.01 ms. Allocated memory is still 198.7 MB. Free memory was 162.1 MB in the beginning and 79.9 MB in the end (delta: 82.2 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2019-08-31 03:25:48,177 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 231.39 ms. Allocated memory is still 132.1 MB. Free memory was 87.7 MB in the beginning and 78.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.55 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 78.2 MB in the beginning and 175.5 MB in the end (delta: -97.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 247.81 ms. Allocated memory is still 198.7 MB. Free memory was 175.5 MB in the beginning and 162.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * Sifa took 1139.01 ms. Allocated memory is still 198.7 MB. Free memory was 162.1 MB in the beginning and 79.9 MB in the end (delta: 82.2 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 1.0s OVERALL_TIME, 5 ICFG_INTERPRETER_ENTERED_PROCEDURES, 25 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 15 TOOLS_POST_APPLICATIONS, 0.1s TOOLS_POST_TIME, 8 TOOLS_POST_CALL_APPLICATIONS, 0.8s TOOLS_POST_CALL_TIME, 3 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 0.9s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 25 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 6 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 0 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 2 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 0 LOOP_SUMMARIZER_APPLICATIONS, 0 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 0 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 3 CALL_SUMMARIZER_APPLICATIONS, 3 CALL_SUMMARIZER_CACHE_MISSES, 0.2s CALL_SUMMARIZER_OVERALL_TIME, 0.2s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 68 DAG_COMPRESSION_PROCESSED_NODES, 48 DAG_COMPRESSION_RETAINED_NODES - PositiveResult [Line: 14]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold RESULT: Ultimate proved your program to be correct! Received shutdown request...