java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline_WitnessPrinter.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/mutex_lock_struct_true-termination.c_true-unreach-call_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 12:53:48,786 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:53:48,788 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:53:48,800 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:53:48,800 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:53:48,801 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:53:48,803 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:53:48,805 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:53:48,807 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:53:48,808 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:53:48,809 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:53:48,809 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:53:48,810 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:53:48,811 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:53:48,812 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:53:48,813 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:53:48,814 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:53:48,816 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:53:48,818 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:53:48,819 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:53:48,821 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:53:48,822 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:53:48,824 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:53:48,825 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:53:48,825 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:53:48,827 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:53:48,830 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:53:48,831 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:53:48,831 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:53:48,835 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:53:48,835 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:53:48,836 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:53:48,836 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:53:48,836 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:53:48,840 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:53:48,841 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:53:48,841 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 12:53:48,872 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:53:48,872 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:53:48,874 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:53:48,874 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:53:48,875 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:53:48,875 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:53:48,875 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:53:48,875 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:53:48,875 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:53:48,879 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:53:48,879 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:53:48,879 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:53:48,879 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:53:48,879 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:53:48,880 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:53:48,880 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:53:48,880 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:53:48,880 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:53:48,880 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:53:48,881 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:53:48,882 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:53:48,882 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:53:48,882 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:53:48,883 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:53:48,883 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:53:48,883 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:53:48,883 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:53:48,883 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:53:48,884 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:53:48,884 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:53:48,884 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:53:48,943 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:53:48,958 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:53:48,961 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:53:48,963 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:53:48,963 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:53:48,964 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/mutex_lock_struct_true-termination.c_true-unreach-call_1.i [2018-11-23 12:53:49,024 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfac3f6f2/ae4de67455134d8b92f935a5e27b4d62/FLAG97ce0f316 [2018-11-23 12:53:49,449 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:53:49,449 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/mutex_lock_struct_true-termination.c_true-unreach-call_1.i [2018-11-23 12:53:49,456 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfac3f6f2/ae4de67455134d8b92f935a5e27b4d62/FLAG97ce0f316 [2018-11-23 12:53:49,816 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfac3f6f2/ae4de67455134d8b92f935a5e27b4d62 [2018-11-23 12:53:49,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:53:49,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:53:49,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:53:49,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:53:49,831 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:53:49,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:53:49" (1/1) ... [2018-11-23 12:53:49,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e75a9ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:49, skipping insertion in model container [2018-11-23 12:53:49,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:53:49" (1/1) ... [2018-11-23 12:53:49,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:53:49,869 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:53:50,084 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:53:50,103 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:53:50,126 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:53:50,155 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:53:50,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:50 WrapperNode [2018-11-23 12:53:50,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:53:50,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:53:50,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:53:50,157 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:53:50,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:50" (1/1) ... [2018-11-23 12:53:50,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:50" (1/1) ... [2018-11-23 12:53:50,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:53:50,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:53:50,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:53:50,182 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:53:50,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:50" (1/1) ... [2018-11-23 12:53:50,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:50" (1/1) ... [2018-11-23 12:53:50,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:50" (1/1) ... [2018-11-23 12:53:50,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:50" (1/1) ... [2018-11-23 12:53:50,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:50" (1/1) ... [2018-11-23 12:53:50,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:50" (1/1) ... [2018-11-23 12:53:50,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:50" (1/1) ... [2018-11-23 12:53:50,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:53:50,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:53:50,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:53:50,211 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:53:50,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:50" (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 [2018-11-23 12:53:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 12:53:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-11-23 12:53:50,343 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2018-11-23 12:53:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:53:50,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:53:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:53:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure err [2018-11-23 12:53:50,343 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2018-11-23 12:53:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2018-11-23 12:53:50,344 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2018-11-23 12:53:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:53:50,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:53:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 12:53:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:53:50,345 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:53:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 12:53:50,816 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:53:50,817 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 12:53:50,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:53:50 BoogieIcfgContainer [2018-11-23 12:53:50,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:53:50,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:53:50,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:53:50,822 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:53:50,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:53:49" (1/3) ... [2018-11-23 12:53:50,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19edfe70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:53:50, skipping insertion in model container [2018-11-23 12:53:50,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:53:50" (2/3) ... [2018-11-23 12:53:50,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19edfe70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:53:50, skipping insertion in model container [2018-11-23 12:53:50,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:53:50" (3/3) ... [2018-11-23 12:53:50,826 INFO L112 eAbstractionObserver]: Analyzing ICFG mutex_lock_struct_true-termination.c_true-unreach-call_1.i [2018-11-23 12:53:50,837 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:53:50,845 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:53:50,864 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:53:50,898 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:53:50,899 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:53:50,899 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:53:50,899 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:53:50,900 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:53:50,900 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:53:50,900 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:53:50,900 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:53:50,900 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:53:50,921 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-11-23 12:53:50,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 12:53:50,928 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:53:50,929 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:53:50,932 INFO L423 AbstractCegarLoop]: === Iteration 1 === [errErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:53:50,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:53:50,941 INFO L82 PathProgramCache]: Analyzing trace with hash 589228543, now seen corresponding path program 1 times [2018-11-23 12:53:50,943 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:53:50,944 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:53:50,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:53:50,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:53:50,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:53:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:53:51,306 INFO L256 TraceCheckUtils]: 0: Hoare triple {32#true} call ULTIMATE.init(); {32#true} is VALID [2018-11-23 12:53:51,310 INFO L273 TraceCheckUtils]: 1: Hoare triple {32#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {32#true} is VALID [2018-11-23 12:53:51,311 INFO L273 TraceCheckUtils]: 2: Hoare triple {32#true} assume true; {32#true} is VALID [2018-11-23 12:53:51,311 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {32#true} {32#true} #38#return; {32#true} is VALID [2018-11-23 12:53:51,311 INFO L256 TraceCheckUtils]: 4: Hoare triple {32#true} call #t~ret2 := main(); {32#true} is VALID [2018-11-23 12:53:51,318 INFO L273 TraceCheckUtils]: 5: Hoare triple {32#true} call ~#m~0.base, ~#m~0.offset := #Ultimate.alloc(4);call write~int(0, ~#m~0.base, ~#m~0.offset, 4); {34#(= 0 (select (select |#memory_int| |main_~#m~0.base|) |main_~#m~0.offset|))} is VALID [2018-11-23 12:53:51,328 INFO L256 TraceCheckUtils]: 6: Hoare triple {34#(= 0 (select (select |#memory_int| |main_~#m~0.base|) |main_~#m~0.offset|))} call mutex_lock(~#m~0.base, ~#m~0.offset); {35#(= 0 (select (select |#memory_int| |mutex_lock_#in~a.base|) |mutex_lock_#in~a.offset|))} is VALID [2018-11-23 12:53:51,334 INFO L273 TraceCheckUtils]: 7: Hoare triple {35#(= 0 (select (select |#memory_int| |mutex_lock_#in~a.base|) |mutex_lock_#in~a.offset|))} ~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem0 := read~int(~a.base, ~a.offset, 4); {36#(= 0 |mutex_lock_#t~mem0|)} is VALID [2018-11-23 12:53:51,335 INFO L273 TraceCheckUtils]: 8: Hoare triple {36#(= 0 |mutex_lock_#t~mem0|)} assume 1 == #t~mem0;havoc #t~mem0; {33#false} is VALID [2018-11-23 12:53:51,335 INFO L256 TraceCheckUtils]: 9: Hoare triple {33#false} call err(); {33#false} is VALID [2018-11-23 12:53:51,336 INFO L273 TraceCheckUtils]: 10: Hoare triple {33#false} assume !false; {33#false} is VALID [2018-11-23 12:53:51,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:53:51,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:53:51,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 12:53:51,347 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-11-23 12:53:51,350 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:53:51,354 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-23 12:53:51,505 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:53:51,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 12:53:51,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 12:53:51,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 12:53:51,519 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 5 states. [2018-11-23 12:53:52,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:53:52,337 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2018-11-23 12:53:52,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 12:53:52,337 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-11-23 12:53:52,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:53:52,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 12:53:52,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2018-11-23 12:53:52,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 12:53:52,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2018-11-23 12:53:52,356 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 50 transitions. [2018-11-23 12:53:52,581 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:53:52,593 INFO L225 Difference]: With dead ends: 46 [2018-11-23 12:53:52,594 INFO L226 Difference]: Without dead ends: 18 [2018-11-23 12:53:52,598 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:53:52,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-11-23 12:53:52,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-11-23 12:53:52,702 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:53:52,703 INFO L82 GeneralOperation]: Start isEquivalent. First operand 18 states. Second operand 18 states. [2018-11-23 12:53:52,703 INFO L74 IsIncluded]: Start isIncluded. First operand 18 states. Second operand 18 states. [2018-11-23 12:53:52,704 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 18 states. [2018-11-23 12:53:52,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:53:52,707 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2018-11-23 12:53:52,707 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2018-11-23 12:53:52,708 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:53:52,708 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:53:52,708 INFO L74 IsIncluded]: Start isIncluded. First operand 18 states. Second operand 18 states. [2018-11-23 12:53:52,708 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 18 states. [2018-11-23 12:53:52,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:53:52,712 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2018-11-23 12:53:52,712 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2018-11-23 12:53:52,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:53:52,713 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:53:52,713 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:53:52,713 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:53:52,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-23 12:53:52,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2018-11-23 12:53:52,718 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 11 [2018-11-23 12:53:52,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:53:52,718 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2018-11-23 12:53:52,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 12:53:52,718 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2018-11-23 12:53:52,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 12:53:52,719 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:53:52,720 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:53:52,720 INFO L423 AbstractCegarLoop]: === Iteration 2 === [errErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:53:52,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:53:52,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1259031447, now seen corresponding path program 1 times [2018-11-23 12:53:52,721 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:53:52,721 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:53:52,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:53:52,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:53:52,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:53:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:53:53,210 INFO L256 TraceCheckUtils]: 0: Hoare triple {166#true} call ULTIMATE.init(); {166#true} is VALID [2018-11-23 12:53:53,210 INFO L273 TraceCheckUtils]: 1: Hoare triple {166#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {166#true} is VALID [2018-11-23 12:53:53,211 INFO L273 TraceCheckUtils]: 2: Hoare triple {166#true} assume true; {166#true} is VALID [2018-11-23 12:53:53,211 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {166#true} {166#true} #38#return; {166#true} is VALID [2018-11-23 12:53:53,212 INFO L256 TraceCheckUtils]: 4: Hoare triple {166#true} call #t~ret2 := main(); {166#true} is VALID [2018-11-23 12:53:53,212 INFO L273 TraceCheckUtils]: 5: Hoare triple {166#true} call ~#m~0.base, ~#m~0.offset := #Ultimate.alloc(4);call write~int(0, ~#m~0.base, ~#m~0.offset, 4); {166#true} is VALID [2018-11-23 12:53:53,212 INFO L256 TraceCheckUtils]: 6: Hoare triple {166#true} call mutex_lock(~#m~0.base, ~#m~0.offset); {166#true} is VALID [2018-11-23 12:53:53,213 INFO L273 TraceCheckUtils]: 7: Hoare triple {166#true} ~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem0 := read~int(~a.base, ~a.offset, 4); {168#(and (= mutex_lock_~a.offset |mutex_lock_#in~a.offset|) (= mutex_lock_~a.base |mutex_lock_#in~a.base|))} is VALID [2018-11-23 12:53:53,216 INFO L273 TraceCheckUtils]: 8: Hoare triple {168#(and (= mutex_lock_~a.offset |mutex_lock_#in~a.offset|) (= mutex_lock_~a.base |mutex_lock_#in~a.base|))} assume !(1 == #t~mem0);havoc #t~mem0; {168#(and (= mutex_lock_~a.offset |mutex_lock_#in~a.offset|) (= mutex_lock_~a.base |mutex_lock_#in~a.base|))} is VALID [2018-11-23 12:53:53,217 INFO L273 TraceCheckUtils]: 9: Hoare triple {168#(and (= mutex_lock_~a.offset |mutex_lock_#in~a.offset|) (= mutex_lock_~a.base |mutex_lock_#in~a.base|))} call write~int(1, ~a.base, ~a.offset, 4); {169#(= 1 (select (select |#memory_int| |mutex_lock_#in~a.base|) |mutex_lock_#in~a.offset|))} is VALID [2018-11-23 12:53:53,218 INFO L273 TraceCheckUtils]: 10: Hoare triple {169#(= 1 (select (select |#memory_int| |mutex_lock_#in~a.base|) |mutex_lock_#in~a.offset|))} assume true; {169#(= 1 (select (select |#memory_int| |mutex_lock_#in~a.base|) |mutex_lock_#in~a.offset|))} is VALID [2018-11-23 12:53:53,221 INFO L268 TraceCheckUtils]: 11: Hoare quadruple {169#(= 1 (select (select |#memory_int| |mutex_lock_#in~a.base|) |mutex_lock_#in~a.offset|))} {166#true} #42#return; {170#(= 1 (select (select |#memory_int| |main_~#m~0.base|) |main_~#m~0.offset|))} is VALID [2018-11-23 12:53:53,224 INFO L256 TraceCheckUtils]: 12: Hoare triple {170#(= 1 (select (select |#memory_int| |main_~#m~0.base|) |main_~#m~0.offset|))} call mutex_unlock(~#m~0.base, ~#m~0.offset); {171#(= 1 (select (select |#memory_int| |mutex_unlock_#in~b.base|) |mutex_unlock_#in~b.offset|))} is VALID [2018-11-23 12:53:53,225 INFO L273 TraceCheckUtils]: 13: Hoare triple {171#(= 1 (select (select |#memory_int| |mutex_unlock_#in~b.base|) |mutex_unlock_#in~b.offset|))} ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem1 := read~int(~b.base, ~b.offset, 4); {172#(= 1 |mutex_unlock_#t~mem1|)} is VALID [2018-11-23 12:53:53,226 INFO L273 TraceCheckUtils]: 14: Hoare triple {172#(= 1 |mutex_unlock_#t~mem1|)} assume 1 != #t~mem1;havoc #t~mem1; {167#false} is VALID [2018-11-23 12:53:53,226 INFO L256 TraceCheckUtils]: 15: Hoare triple {167#false} call err(); {167#false} is VALID [2018-11-23 12:53:53,226 INFO L273 TraceCheckUtils]: 16: Hoare triple {167#false} assume !false; {167#false} is VALID [2018-11-23 12:53:53,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:53:53,231 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:53:53,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 12:53:53,233 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-11-23 12:53:53,233 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:53:53,234 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2018-11-23 12:53:53,270 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:53:53,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 12:53:53,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 12:53:53,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:53:53,272 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand 7 states. [2018-11-23 12:53:53,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:53:53,586 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2018-11-23 12:53:53,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:53:53,587 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-11-23 12:53:53,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:53:53,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-23 12:53:53,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 17 transitions. [2018-11-23 12:53:53,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-23 12:53:53,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 17 transitions. [2018-11-23 12:53:53,593 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 17 transitions. [2018-11-23 12:53:53,623 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:53:53,624 INFO L225 Difference]: With dead ends: 18 [2018-11-23 12:53:53,624 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:53:53,626 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:53:53,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:53:53,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:53:53,627 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:53:53,627 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 12:53:53,627 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 12:53:53,628 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 12:53:53,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:53:53,628 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 12:53:53,628 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:53:53,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:53:53,628 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:53:53,629 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 12:53:53,629 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 12:53:53,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:53:53,629 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 12:53:53,629 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:53:53,629 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:53:53,630 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:53:53,630 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:53:53,630 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:53:53,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:53:53,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:53:53,630 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-11-23 12:53:53,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:53:53,631 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:53:53,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 12:53:53,631 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:53:53,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:53:53,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:53:53,847 INFO L444 ceAbstractionStarter]: At program point mutex_unlockENTRY(lines 25 29) the Hoare annotation is: (or (= 1 (select (select |#memory_int| |mutex_unlock_#in~b.base|) |mutex_unlock_#in~b.offset|)) (not (= (select (select |old(#memory_int)| |mutex_unlock_#in~b.base|) |mutex_unlock_#in~b.offset|) 1))) [2018-11-23 12:53:53,847 INFO L448 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-11-23 12:53:53,847 INFO L448 ceAbstractionStarter]: For program point mutex_unlockEXIT(lines 25 29) no Hoare annotation was computed. [2018-11-23 12:53:53,847 INFO L444 ceAbstractionStarter]: At program point L27-1(line 27) the Hoare annotation is: (not (= (select (select |old(#memory_int)| |mutex_unlock_#in~b.base|) |mutex_unlock_#in~b.offset|) 1)) [2018-11-23 12:53:53,847 INFO L448 ceAbstractionStarter]: For program point L27-3(line 27) no Hoare annotation was computed. [2018-11-23 12:53:53,848 INFO L448 ceAbstractionStarter]: For program point mutex_unlockFINAL(lines 25 29) no Hoare annotation was computed. [2018-11-23 12:53:53,848 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:53:53,848 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:53:53,848 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:53:53,849 INFO L448 ceAbstractionStarter]: For program point errErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2018-11-23 12:53:53,849 INFO L448 ceAbstractionStarter]: For program point errEXIT(lines 12 13) no Hoare annotation was computed. [2018-11-23 12:53:53,849 INFO L451 ceAbstractionStarter]: At program point errENTRY(lines 12 13) the Hoare annotation is: true [2018-11-23 12:53:53,849 INFO L448 ceAbstractionStarter]: For program point errFINAL(lines 12 13) no Hoare annotation was computed. [2018-11-23 12:53:53,849 INFO L444 ceAbstractionStarter]: At program point mutex_lockENTRY(lines 19 23) the Hoare annotation is: (or (= 0 (select (select |#memory_int| |mutex_lock_#in~a.base|) |mutex_lock_#in~a.offset|)) (not (= (select (select |old(#memory_int)| |mutex_lock_#in~a.base|) |mutex_lock_#in~a.offset|) 0))) [2018-11-23 12:53:53,850 INFO L448 ceAbstractionStarter]: For program point mutex_lockFINAL(lines 19 23) no Hoare annotation was computed. [2018-11-23 12:53:53,850 INFO L448 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-11-23 12:53:53,850 INFO L448 ceAbstractionStarter]: For program point mutex_lockEXIT(lines 19 23) no Hoare annotation was computed. [2018-11-23 12:53:53,850 INFO L444 ceAbstractionStarter]: At program point L21-1(line 21) the Hoare annotation is: (not (= (select (select |old(#memory_int)| |mutex_lock_#in~a.base|) |mutex_lock_#in~a.offset|) 0)) [2018-11-23 12:53:53,850 INFO L448 ceAbstractionStarter]: For program point L21-3(line 21) no Hoare annotation was computed. [2018-11-23 12:53:53,850 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:53:53,850 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 12:53:53,851 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:53:53,851 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:53:53,851 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 31 43) the Hoare annotation is: true [2018-11-23 12:53:53,851 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 31 43) no Hoare annotation was computed. [2018-11-23 12:53:53,851 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 31 43) no Hoare annotation was computed. [2018-11-23 12:53:53,851 INFO L448 ceAbstractionStarter]: For program point L38(line 38) no Hoare annotation was computed. [2018-11-23 12:53:53,851 INFO L444 ceAbstractionStarter]: At program point L36(line 36) the Hoare annotation is: (= 0 (select (select |#memory_int| |main_~#m~0.base|) |main_~#m~0.offset|)) [2018-11-23 12:53:53,851 INFO L444 ceAbstractionStarter]: At program point L36-1(line 36) the Hoare annotation is: (= 1 (select (select |#memory_int| |main_~#m~0.base|) |main_~#m~0.offset|)) [2018-11-23 12:53:53,853 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2018-11-23 12:53:53,853 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 12:53:53,853 WARN L170 areAnnotationChecker]: errErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2018-11-23 12:53:53,854 WARN L170 areAnnotationChecker]: errFINAL has no Hoare annotation [2018-11-23 12:53:53,854 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2018-11-23 12:53:53,855 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2018-11-23 12:53:53,855 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2018-11-23 12:53:53,855 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 12:53:53,855 WARN L170 areAnnotationChecker]: errFINAL has no Hoare annotation [2018-11-23 12:53:53,855 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2018-11-23 12:53:53,855 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2018-11-23 12:53:53,856 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 12:53:53,864 WARN L170 areAnnotationChecker]: L27-3 has no Hoare annotation [2018-11-23 12:53:53,865 WARN L170 areAnnotationChecker]: L27-3 has no Hoare annotation [2018-11-23 12:53:53,865 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 12:53:53,865 WARN L170 areAnnotationChecker]: errEXIT has no Hoare annotation [2018-11-23 12:53:53,865 WARN L170 areAnnotationChecker]: errEXIT has no Hoare annotation [2018-11-23 12:53:53,865 WARN L170 areAnnotationChecker]: L21-3 has no Hoare annotation [2018-11-23 12:53:53,865 WARN L170 areAnnotationChecker]: L21-3 has no Hoare annotation [2018-11-23 12:53:53,865 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 12:53:53,866 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2018-11-23 12:53:53,867 WARN L170 areAnnotationChecker]: mutex_unlockFINAL has no Hoare annotation [2018-11-23 12:53:53,867 WARN L170 areAnnotationChecker]: mutex_lockFINAL has no Hoare annotation [2018-11-23 12:53:53,867 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2018-11-23 12:53:53,867 WARN L170 areAnnotationChecker]: mutex_unlockEXIT has no Hoare annotation [2018-11-23 12:53:53,867 WARN L170 areAnnotationChecker]: mutex_lockEXIT has no Hoare annotation [2018-11-23 12:53:53,868 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 12:53:53,868 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 12:53:53,868 INFO L163 areAnnotationChecker]: CFG has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-23 12:53:53,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:53:53 BoogieIcfgContainer [2018-11-23 12:53:53,872 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:53:53,872 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:53:53,872 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:53:53,872 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:53:53,873 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:53:50" (3/4) ... [2018-11-23 12:53:53,876 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:53:53,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2018-11-23 12:53:53,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:53:53,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure err [2018-11-23 12:53:53,884 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2018-11-23 12:53:53,885 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:53:53,890 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-23 12:53:53,890 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 12:53:53,890 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 12:53:53,939 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-regression/mutex_lock_struct_true-termination.c_true-unreach-call_1.i-witness.graphml [2018-11-23 12:53:53,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:53:53,941 INFO L168 Benchmark]: Toolchain (without parser) took 4115.05 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 665.8 MB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -565.9 MB). Peak memory consumption was 99.9 MB. Max. memory is 7.1 GB. [2018-11-23 12:53:53,942 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:53:53,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.12 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2018-11-23 12:53:53,944 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.95 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:53:53,944 INFO L168 Benchmark]: Boogie Preprocessor took 28.61 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:53:53,945 INFO L168 Benchmark]: RCFGBuilder took 606.49 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 665.8 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -705.4 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2018-11-23 12:53:53,946 INFO L168 Benchmark]: TraceAbstraction took 3053.28 ms. Allocated memory is still 2.1 GB. Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 126.2 MB). Peak memory consumption was 126.2 MB. Max. memory is 7.1 GB. [2018-11-23 12:53:53,946 INFO L168 Benchmark]: Witness Printer took 67.39 ms. Allocated memory is still 2.1 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:53:53,950 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 329.12 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 24.95 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.61 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 606.49 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 665.8 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -705.4 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3053.28 ms. Allocated memory is still 2.1 GB. Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 126.2 MB). Peak memory consumption was 126.2 MB. Max. memory is 7.1 GB. * Witness Printer took 67.39 ms. Allocated memory is still 2.1 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 29 locations, 1 error locations. SAFE Result, 2.9s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 33 SDtfs, 4 SDslu, 96 SDs, 0 SdLazy, 40 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 15 PreInvPairs, 16 NumberOfFragments, 67 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 1104 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...