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-a32b1f7 [2019-08-18 06:52:56,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:52:56,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:52:56,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:52:56,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:52:56,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:52:56,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:52:56,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:52:56,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:52:56,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:52:56,232 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:52:56,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:52:56,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:52:56,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:52:56,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:52:56,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:52:56,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:52:56,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:52:56,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:52:56,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:52:56,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:52:56,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:52:56,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:52:56,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:52:56,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 06:52:56,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 06:52:56,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 06:52:56,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 06:52:56,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 06:52:56,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 06:52:56,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:52:56,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:52:56,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:52:56,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:52:56,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:52:56,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:52:56,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:52:56,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:52:56,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:52:56,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:52:56,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:52:56,265 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 06:52:56,292 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:52:56,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:52:56,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:52:56,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:52:56,295 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:52:56,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:52:56,295 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:52:56,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:52:56,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:52:56,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:52:56,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:52:56,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:52:56,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:52:56,297 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:52:56,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:52:56,297 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:52:56,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:52:56,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:52:56,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:52:56,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:52:56,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:52:56,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:52:56,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:52:56,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:52:56,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:52:56,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:52:56,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:52:56,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:52:56,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:52:56,346 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:52:56,363 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:52:56,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:52:56,369 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:52:56,369 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:52:56,370 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/mutex_lock_int.i [2019-08-18 06:52:56,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bac23f00d/d18e88cdd8bc4b74901ad1c0fa3776a0/FLAGfab2a07ec [2019-08-18 06:52:56,890 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:52:56,892 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/mutex_lock_int.i [2019-08-18 06:52:56,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bac23f00d/d18e88cdd8bc4b74901ad1c0fa3776a0/FLAGfab2a07ec [2019-08-18 06:52:57,306 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bac23f00d/d18e88cdd8bc4b74901ad1c0fa3776a0 [2019-08-18 06:52:57,315 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:52:57,316 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:52:57,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:52:57,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:52:57,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:52:57,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:52:57" (1/1) ... [2019-08-18 06:52:57,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54faa164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:52:57, skipping insertion in model container [2019-08-18 06:52:57,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:52:57" (1/1) ... [2019-08-18 06:52:57,335 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:52:57,348 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:52:57,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:52:57,507 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:52:57,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:52:57,536 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:52:57,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:52:57 WrapperNode [2019-08-18 06:52:57,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:52:57,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:52:57,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:52:57,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:52:57,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:52:57" (1/1) ... [2019-08-18 06:52:57,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:52:57" (1/1) ... [2019-08-18 06:52:57,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:52:57" (1/1) ... [2019-08-18 06:52:57,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:52:57" (1/1) ... [2019-08-18 06:52:57,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:52:57" (1/1) ... [2019-08-18 06:52:57,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:52:57" (1/1) ... [2019-08-18 06:52:57,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:52:57" (1/1) ... [2019-08-18 06:52:57,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:52:57,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:52:57,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:52:57,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:52:57,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:52:57" (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 06:52:57,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:52:57,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:52:57,720 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2019-08-18 06:52:57,720 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-08-18 06:52:57,720 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-08-18 06:52:57,720 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:52:57,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:52:57,720 INFO L130 BoogieDeclarations]: Found specification of procedure err [2019-08-18 06:52:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-08-18 06:52:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:52:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:52:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-08-18 06:52:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:52:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:52:57,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:52:57,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:52:57,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:52:57,951 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:52:57,951 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 06:52:57,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:52:57 BoogieIcfgContainer [2019-08-18 06:52:57,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:52:57,953 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:52:57,953 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:52:57,954 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:52:57,955 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:52:57" (1/1) ... [2019-08-18 06:52:57,966 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:52:57,968 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:52:57,974 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:52:57,984 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:52:57,985 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:52:58,076 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 06:52:58,077 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:52:58,104 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:52:58,105 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:52:58,106 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 06:52:58,129 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-18 06:52:58,163 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 06:52:58,164 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:52:58,185 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:52:58,186 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:52:58,186 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:14 [2019-08-18 06:52:58,211 INFO L392 ElimStorePlain]: Different costs {0=[|v_old(#length)_BEFORE_CALL_1|], 3=[|v_old(#valid)_BEFORE_CALL_1|]} [2019-08-18 06:52:58,228 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 06:52:58,229 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:52:58,265 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:52:58,275 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 06:52:58,276 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:52:58,337 INFO L567 ElimStorePlain]: treesize reduction 4, result has 90.5 percent of original size [2019-08-18 06:52:58,338 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:52:58,338 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:49, output treesize:38 [2019-08-18 06:52:58,354 INFO L392 ElimStorePlain]: Different costs {0=[|v_old(#length)_BEFORE_CALL_2|], 3=[|v_old(#valid)_BEFORE_CALL_2|]} [2019-08-18 06:52:58,365 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 06:52:58,366 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:52:58,406 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:52:58,420 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 06:52:58,421 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:52:58,485 INFO L567 ElimStorePlain]: treesize reduction 4, result has 91.3 percent of original size [2019-08-18 06:52:58,498 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 06:52:58,498 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:52:58,522 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:52:58,523 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 06:52:58,523 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:53, output treesize:38 [2019-08-18 06:52:58,524 INFO L185 IcfgInterpreter]: Interpreting procedure mutex_lock with input of size 31 [2019-08-18 06:52:58,529 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:52:58,542 INFO L185 IcfgInterpreter]: Interpreting procedure err with input of size 36 [2019-08-18 06:52:58,543 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:52:58,543 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:52:58,548 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 06:52:58,562 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:52:58,562 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:52:58,565 INFO L168 Benchmark]: Toolchain (without parser) took 1247.52 ms. Allocated memory was 140.5 MB in the beginning and 199.2 MB in the end (delta: 58.7 MB). Free memory was 87.4 MB in the beginning and 120.5 MB in the end (delta: -33.1 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-08-18 06:52:58,568 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:52:58,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 219.70 ms. Allocated memory is still 140.5 MB. Free memory was 87.2 MB in the beginning and 77.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-18 06:52:58,574 INFO L168 Benchmark]: Boogie Preprocessor took 124.89 ms. Allocated memory was 140.5 MB in the beginning and 199.2 MB in the end (delta: 58.7 MB). Free memory was 77.8 MB in the beginning and 177.3 MB in the end (delta: -99.5 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-08-18 06:52:58,577 INFO L168 Benchmark]: RCFGBuilder took 289.83 ms. Allocated memory is still 199.2 MB. Free memory was 176.7 MB in the beginning and 163.9 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2019-08-18 06:52:58,578 INFO L168 Benchmark]: Symbolic Interpretation took 609.04 ms. Allocated memory is still 199.2 MB. Free memory was 163.9 MB in the beginning and 120.5 MB in the end (delta: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 7.1 GB. [2019-08-18 06:52:58,593 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 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 0.46 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 219.70 ms. Allocated memory is still 140.5 MB. Free memory was 87.2 MB in the beginning and 77.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.89 ms. Allocated memory was 140.5 MB in the beginning and 199.2 MB in the end (delta: 58.7 MB). Free memory was 77.8 MB in the beginning and 177.3 MB in the end (delta: -99.5 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 289.83 ms. Allocated memory is still 199.2 MB. Free memory was 176.7 MB in the beginning and 163.9 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 609.04 ms. Allocated memory is still 199.2 MB. Free memory was 163.9 MB in the beginning and 120.5 MB in the end (delta: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...