/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 17:32:41,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 17:32:41,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 17:32:41,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-16 17:32:41,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-16 17:32:41,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-16 17:32:41,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-16 17:32:41,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-16 17:32:41,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-16 17:32:41,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-16 17:32:41,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-16 17:32:41,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-16 17:32:41,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 17:32:41,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 17:32:41,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 17:32:41,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 17:32:41,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 17:32:41,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 17:32:41,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 17:32:41,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 17:32:41,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 17:32:41,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 17:32:41,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 17:32:41,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 17:32:41,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-16 17:32:41,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-16 17:32:41,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-16 17:32:41,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-16 17:32:41,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-16 17:32:41,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-16 17:32:41,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-16 17:32:41,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-16 17:32:41,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-16 17:32:41,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-16 17:32:41,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-16 17:32:41,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-16 17:32:41,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-16 17:32:41,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-16 17:32:41,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 17:32:41,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 17:32:41,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 17:32:41,120 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks.epf [2022-02-16 17:32:41,134 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 17:32:41,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 17:32:41,134 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 17:32:41,134 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 17:32:41,135 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 17:32:41,135 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 17:32:41,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 17:32:41,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 17:32:41,136 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 17:32:41,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 17:32:41,136 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 17:32:41,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 17:32:41,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 17:32:41,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 17:32:41,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 17:32:41,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 17:32:41,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 17:32:41,137 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 17:32:41,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 17:32:41,138 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 17:32:41,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 17:32:41,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 17:32:41,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 17:32:41,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 17:32:41,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 17:32:41,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 17:32:41,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 17:32:41,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 17:32:41,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 17:32:41,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 17:32:41,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 17:32:41,139 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 17:32:41,139 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 17:32:41,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 17:32:41,140 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-16 17:32:41,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 17:32:41,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 17:32:41,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 17:32:41,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 17:32:41,310 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-16 17:32:41,311 INFO L275 PluginConnector]: CDTParser initialized [2022-02-16 17:32:41,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-02-16 17:32:41,360 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b27ea4e83/b575fcc49e9a4c168f5656570ed746f3/FLAGa5d476bbb [2022-02-16 17:32:41,704 INFO L306 CDTParser]: Found 1 translation units. [2022-02-16 17:32:41,705 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-02-16 17:32:41,712 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b27ea4e83/b575fcc49e9a4c168f5656570ed746f3/FLAGa5d476bbb [2022-02-16 17:32:42,107 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b27ea4e83/b575fcc49e9a4c168f5656570ed746f3 [2022-02-16 17:32:42,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 17:32:42,110 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-16 17:32:42,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-16 17:32:42,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-16 17:32:42,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-16 17:32:42,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 05:32:42" (1/1) ... [2022-02-16 17:32:42,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69b1695e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:32:42, skipping insertion in model container [2022-02-16 17:32:42,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 05:32:42" (1/1) ... [2022-02-16 17:32:42,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-16 17:32:42,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-16 17:32:42,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[1098,1111] [2022-02-16 17:32:42,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 17:32:42,399 INFO L203 MainTranslator]: Completed pre-run [2022-02-16 17:32:42,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[1098,1111] [2022-02-16 17:32:42,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 17:32:42,451 INFO L208 MainTranslator]: Completed translation [2022-02-16 17:32:42,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:32:42 WrapperNode [2022-02-16 17:32:42,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-16 17:32:42,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 17:32:42,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 17:32:42,453 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 17:32:42,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:32:42" (1/1) ... [2022-02-16 17:32:42,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:32:42" (1/1) ... [2022-02-16 17:32:42,499 INFO L137 Inliner]: procedures = 163, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-02-16 17:32:42,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 17:32:42,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 17:32:42,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 17:32:42,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 17:32:42,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:32:42" (1/1) ... [2022-02-16 17:32:42,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:32:42" (1/1) ... [2022-02-16 17:32:42,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:32:42" (1/1) ... [2022-02-16 17:32:42,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:32:42" (1/1) ... [2022-02-16 17:32:42,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:32:42" (1/1) ... [2022-02-16 17:32:42,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:32:42" (1/1) ... [2022-02-16 17:32:42,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:32:42" (1/1) ... [2022-02-16 17:32:42,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 17:32:42,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 17:32:42,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 17:32:42,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 17:32:42,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:32:42" (1/1) ... [2022-02-16 17:32:42,539 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 17:32:42,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 17:32:42,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-16 17:32:42,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-16 17:32:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-16 17:32:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-16 17:32:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-16 17:32:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-16 17:32:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-16 17:32:42,621 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-16 17:32:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-16 17:32:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-16 17:32:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 17:32:42,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 17:32:42,623 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 17:32:42,742 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 17:32:42,743 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 17:32:42,886 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 17:32:42,894 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 17:32:42,894 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-16 17:32:42,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 05:32:42 BoogieIcfgContainer [2022-02-16 17:32:42,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 17:32:42,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 17:32:42,897 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 17:32:42,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 17:32:42,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 05:32:42" (1/3) ... [2022-02-16 17:32:42,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ced0bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 05:32:42, skipping insertion in model container [2022-02-16 17:32:42,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:32:42" (2/3) ... [2022-02-16 17:32:42,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ced0bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 05:32:42, skipping insertion in model container [2022-02-16 17:32:42,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 05:32:42" (3/3) ... [2022-02-16 17:32:42,901 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-02-16 17:32:42,905 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 17:32:42,905 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 17:32:42,905 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-16 17:32:42,905 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 17:32:42,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,927 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,927 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,927 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,928 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,932 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,932 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:32:42,934 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-16 17:32:42,964 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 17:32:42,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 17:32:42,971 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-16 17:32:42,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-16 17:32:42,993 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 17:32:42,998 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-16 17:32:42,998 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-16 17:32:43,005 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 80 places, 78 transitions, 161 flow [2022-02-16 17:32:43,041 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 245 states, 244 states have (on average 1.7827868852459017) internal successors, (435), 244 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 17:32:43,137 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 73 transitions and produced 74 states. [2022-02-16 17:32:43,139 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-16 17:32:43,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 17:32:43,145 INFO L85 PathProgramCache]: Analyzing trace with hash 687613271, now seen corresponding path program 1 times [2022-02-16 17:32:43,154 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 17:32:43,154 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648372368] [2022-02-16 17:32:43,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 17:32:43,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 17:32:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 17:32:43,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 17:32:43,433 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 17:32:43,433 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648372368] [2022-02-16 17:32:43,434 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648372368] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 17:32:43,434 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 17:32:43,434 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-16 17:32:43,435 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489267982] [2022-02-16 17:32:43,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 17:32:43,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-16 17:32:43,438 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 17:32:43,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-16 17:32:43,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-16 17:32:43,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 17:32:43,461 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 17:32:43,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 17:32:43,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 17:34:02,360 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 19785 transitions and produced 19786 states. [2022-02-16 17:34:02,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 17:34:02,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-16 17:34:02,361 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-16 17:34:02,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 17:34:02,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1794058796, now seen corresponding path program 1 times [2022-02-16 17:34:02,362 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 17:34:02,362 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584374548] [2022-02-16 17:34:02,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 17:34:02,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 17:34:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 17:34:02,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 17:34:02,479 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 17:34:02,480 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584374548] [2022-02-16 17:34:02,480 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584374548] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 17:34:02,480 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 17:34:02,480 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-16 17:34:02,480 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235692782] [2022-02-16 17:34:02,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 17:34:02,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-16 17:34:02,482 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 17:34:02,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-16 17:34:02,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-16 17:34:02,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 17:34:02,483 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 17:34:02,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 17:34:02,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 17:34:02,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 17:34:02,681 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 195 transitions and produced 196 states. [2022-02-16 17:34:02,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 17:34:02,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-16 17:34:02,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-16 17:34:02,684 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-16 17:34:02,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 17:34:02,684 INFO L85 PathProgramCache]: Analyzing trace with hash -280445477, now seen corresponding path program 1 times [2022-02-16 17:34:02,685 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 17:34:02,685 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610881700] [2022-02-16 17:34:02,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 17:34:02,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 17:34:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-16 17:34:02,706 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-16 17:34:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-16 17:34:02,749 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-16 17:34:02,750 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-16 17:34:02,750 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-02-16 17:34:02,752 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-16 17:34:02,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-16 17:34:02,760 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-16 17:34:02,763 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-16 17:34:02,763 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 17:34:02,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 05:34:02 BasicIcfg [2022-02-16 17:34:02,788 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 17:34:02,788 INFO L158 Benchmark]: Toolchain (without parser) took 80677.54ms. Allocated memory was 238.0MB in the beginning and 6.5GB in the end (delta: 6.2GB). Free memory was 178.8MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 4.0GB. Max. memory is 8.0GB. [2022-02-16 17:34:02,789 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 238.0MB. Free memory is still 196.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 17:34:02,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.70ms. Allocated memory was 238.0MB in the beginning and 375.4MB in the end (delta: 137.4MB). Free memory was 178.6MB in the beginning and 337.1MB in the end (delta: -158.5MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-02-16 17:34:02,789 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.82ms. Allocated memory is still 375.4MB. Free memory was 337.1MB in the beginning and 335.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-16 17:34:02,790 INFO L158 Benchmark]: Boogie Preprocessor took 21.50ms. Allocated memory is still 375.4MB. Free memory was 335.0MB in the beginning and 333.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 17:34:02,790 INFO L158 Benchmark]: RCFGBuilder took 374.21ms. Allocated memory is still 375.4MB. Free memory was 333.4MB in the beginning and 320.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-16 17:34:02,790 INFO L158 Benchmark]: TraceAbstraction took 79890.38ms. Allocated memory was 375.4MB in the beginning and 6.5GB in the end (delta: 6.1GB). Free memory was 320.3MB in the beginning and 2.4GB in the end (delta: -2.1GB). Peak memory consumption was 4.0GB. Max. memory is 8.0GB. [2022-02-16 17:34:02,792 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 238.0MB. Free memory is still 196.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 336.70ms. Allocated memory was 238.0MB in the beginning and 375.4MB in the end (delta: 137.4MB). Free memory was 178.6MB in the beginning and 337.1MB in the end (delta: -158.5MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.82ms. Allocated memory is still 375.4MB. Free memory was 337.1MB in the beginning and 335.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.50ms. Allocated memory is still 375.4MB. Free memory was 335.0MB in the beginning and 333.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 374.21ms. Allocated memory is still 375.4MB. Free memory was 333.4MB in the beginning and 320.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 79890.38ms. Allocated memory was 375.4MB in the beginning and 6.5GB in the end (delta: 6.1GB). Free memory was 320.3MB in the beginning and 2.4GB in the end (delta: -2.1GB). Peak memory consumption was 4.0GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 int g = 42; VAL [g=42] [L683] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=42] [L684] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, B={4:0}, g=42] [L694] 0 int r = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, A={3:0}, B={4:0}, g=42, r=0] [L695] 0 int t; VAL [A={3:0}, B={4:0}, g=42, r=0] [L696] 0 pthread_t id; VAL [A={3:0}, B={4:0}, g=42, id={5:0}, r=0] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, r=0] [L700] COND FALSE 0 !(\read(r)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, r=0] [L705] 0 t = g VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, r=0, t=42] [L706] CALL 0 __VERIFIER_assert(t == 17) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=42] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=42] - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 89 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 79.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 79.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=245occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 332 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-02-16 17:34:02,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-16 17:34:03,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...