/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-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi005.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-13 11:57:49,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:57:49,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:57:49,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:57:49,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:57:49,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:57:49,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:57:49,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:57:49,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:57:49,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:57:49,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:57:49,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:57:49,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:57:49,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:57:49,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:57:49,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:57:49,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:57:49,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:57:49,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:57:49,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:57:49,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:57:49,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:57:49,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:57:49,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:57:49,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:57:49,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:57:49,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:57:49,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:57:49,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:57:49,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:57:49,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:57:49,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:57:49,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:57:49,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:57:49,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:57:49,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:57:49,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:57:49,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:57:49,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:57:49,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:57:49,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:57:49,084 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-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2022-12-13 11:57:49,114 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:57:49,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:57:49,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:57:49,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:57:49,116 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:57:49,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:57:49,117 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 11:57:49,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:57:49,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 11:57:49,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:57:49,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:57:49,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:57:49,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:57:49,118 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 11:57:49,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:57:49,118 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:57:49,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:57:49,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:57:49,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:57:49,118 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 11:57:49,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:57:49,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:57:49,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:57:49,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:57:49,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:57:49,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:57:49,119 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:57:49,119 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 11:57:49,119 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-13 11:57:49,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:57:49,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:57:49,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:57:49,445 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:57:49,446 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:57:49,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi005.i [2022-12-13 11:57:50,443 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:57:50,669 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:57:50,669 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi005.i [2022-12-13 11:57:50,678 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb3f27ed4/49a30be9c62b42e1a942c265be2c2416/FLAG4e3a22d5f [2022-12-13 11:57:50,696 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb3f27ed4/49a30be9c62b42e1a942c265be2c2416 [2022-12-13 11:57:50,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:57:50,700 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 11:57:50,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:57:50,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:57:50,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:57:50,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:57:50" (1/1) ... [2022-12-13 11:57:50,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f5f5187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:50, skipping insertion in model container [2022-12-13 11:57:50,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:57:50" (1/1) ... [2022-12-13 11:57:50,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:57:50,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:57:50,897 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi005.i[983,996] [2022-12-13 11:57:51,037 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,037 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,037 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,038 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,038 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,053 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,054 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,054 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,054 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,055 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,059 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,061 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,061 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,063 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,063 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,076 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,076 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,076 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,076 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,077 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,082 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,083 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,085 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,087 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,088 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,105 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:57:51,115 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:57:51,125 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi005.i[983,996] [2022-12-13 11:57:51,149 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,164 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,164 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,165 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,165 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,165 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,165 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,166 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,166 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,166 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,166 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,168 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,168 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,169 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,169 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,169 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,170 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,170 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,172 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,172 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,172 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,173 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,173 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:57:51,178 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:57:51,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:57:51,225 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:57:51,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:51 WrapperNode [2022-12-13 11:57:51,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:57:51,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:57:51,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:57:51,227 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:57:51,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:51" (1/1) ... [2022-12-13 11:57:51,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:51" (1/1) ... [2022-12-13 11:57:51,285 INFO L138 Inliner]: procedures = 175, calls = 48, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 164 [2022-12-13 11:57:51,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:57:51,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:57:51,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:57:51,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:57:51,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:51" (1/1) ... [2022-12-13 11:57:51,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:51" (1/1) ... [2022-12-13 11:57:51,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:51" (1/1) ... [2022-12-13 11:57:51,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:51" (1/1) ... [2022-12-13 11:57:51,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:51" (1/1) ... [2022-12-13 11:57:51,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:51" (1/1) ... [2022-12-13 11:57:51,314 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:51" (1/1) ... [2022-12-13 11:57:51,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:51" (1/1) ... [2022-12-13 11:57:51,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:57:51,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:57:51,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:57:51,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:57:51,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:51" (1/1) ... [2022-12-13 11:57:51,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:57:51,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 11:57:51,359 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) [2022-12-13 11:57:51,366 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 [2022-12-13 11:57:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 11:57:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 11:57:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:57:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 11:57:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:57:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-13 11:57:51,387 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-13 11:57:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-13 11:57:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-13 11:57:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:57:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 11:57:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:57:51,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:57:51,390 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-13 11:57:51,501 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 11:57:51,503 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:57:51,824 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 11:57:51,947 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:57:51,947 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 11:57:51,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:57:51 BoogieIcfgContainer [2022-12-13 11:57:51,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:57:51,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:57:51,951 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:57:51,953 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:57:51,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:57:50" (1/3) ... [2022-12-13 11:57:51,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e3348e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:57:51, skipping insertion in model container [2022-12-13 11:57:51,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:51" (2/3) ... [2022-12-13 11:57:51,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e3348e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:57:51, skipping insertion in model container [2022-12-13 11:57:51,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:57:51" (3/3) ... [2022-12-13 11:57:51,955 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi005.i [2022-12-13 11:57:51,969 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:57:51,969 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-13 11:57:51,969 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 11:57:52,007 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 11:57:52,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 96 places, 91 transitions, 192 flow [2022-12-13 11:57:52,082 INFO L130 PetriNetUnfolder]: 2/89 cut-off events. [2022-12-13 11:57:52,083 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 11:57:52,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 89 events. 2/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2022-12-13 11:57:52,088 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 91 transitions, 192 flow [2022-12-13 11:57:52,091 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 94 places, 89 transitions, 184 flow [2022-12-13 11:57:52,092 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 11:57:52,113 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 89 transitions, 184 flow [2022-12-13 11:57:52,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 89 transitions, 184 flow [2022-12-13 11:57:52,150 INFO L130 PetriNetUnfolder]: 2/89 cut-off events. [2022-12-13 11:57:52,151 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 11:57:52,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 89 events. 2/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2022-12-13 11:57:52,162 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 89 transitions, 184 flow [2022-12-13 11:57:52,162 INFO L226 LiptonReduction]: Number of co-enabled transitions 1134 [2022-12-13 11:57:58,158 INFO L241 LiptonReduction]: Total number of compositions: 74 [2022-12-13 11:57:58,169 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:57:58,173 INFO L357 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=false, mAutomataTypeConcurrency=REPEATED_LIPTON_PN, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7a83e11b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 11:57:58,173 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-13 11:57:58,176 INFO L130 PetriNetUnfolder]: 0/11 cut-off events. [2022-12-13 11:57:58,176 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 11:57:58,176 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:57:58,177 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 11:57:58,177 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-12-13 11:57:58,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:57:58,180 INFO L85 PathProgramCache]: Analyzing trace with hash 496865808, now seen corresponding path program 1 times [2022-12-13 11:57:58,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:57:58,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169438788] [2022-12-13 11:57:58,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:57:58,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:57:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:57:58,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:57:58,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:57:58,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169438788] [2022-12-13 11:57:58,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169438788] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:57:58,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:57:58,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 11:57:58,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244644351] [2022-12-13 11:57:58,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:57:58,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:57:58,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:57:58,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:57:58,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:57:58,462 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 47 [2022-12-13 11:57:58,463 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 47 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-12-13 11:57:58,463 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:57:58,463 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 47 [2022-12-13 11:57:58,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:57:58,884 INFO L130 PetriNetUnfolder]: 1577/2797 cut-off events. [2022-12-13 11:57:58,885 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 11:57:58,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5361 conditions, 2797 events. 1577/2797 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 17667 event pairs, 100 based on Foata normal form. 0/1563 useless extension candidates. Maximal degree in co-relation 5351. Up to 2318 conditions per place. [2022-12-13 11:57:58,898 INFO L137 encePairwiseOnDemand]: 42/47 looper letters, 63 selfloop transitions, 2 changer transitions 0/71 dead transitions. [2022-12-13 11:57:58,898 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 71 transitions, 278 flow [2022-12-13 11:57:58,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:57:58,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:57:58,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 88 transitions. [2022-12-13 11:57:58,907 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.624113475177305 [2022-12-13 11:57:58,908 INFO L175 Difference]: Start difference. First operand has 53 places, 47 transitions, 100 flow. Second operand 3 states and 88 transitions. [2022-12-13 11:57:58,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 71 transitions, 278 flow [2022-12-13 11:57:58,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 71 transitions, 276 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 11:57:58,913 INFO L231 Difference]: Finished difference. Result has 51 places, 44 transitions, 96 flow [2022-12-13 11:57:58,915 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=51, PETRI_TRANSITIONS=44} [2022-12-13 11:57:58,919 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, -2 predicate places. [2022-12-13 11:57:58,919 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 11:57:58,920 INFO L89 Accepts]: Start accepts. Operand has 51 places, 44 transitions, 96 flow [2022-12-13 11:57:58,922 INFO L95 Accepts]: Finished accepts. [2022-12-13 11:57:58,922 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 11:57:58,922 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 44 transitions, 96 flow [2022-12-13 11:57:58,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 44 transitions, 96 flow [2022-12-13 11:57:58,935 INFO L130 PetriNetUnfolder]: 0/44 cut-off events. [2022-12-13 11:57:58,935 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 11:57:58,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 44 events. 0/44 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 168 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-12-13 11:57:58,938 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 44 transitions, 96 flow [2022-12-13 11:57:58,939 INFO L226 LiptonReduction]: Number of co-enabled transitions 912 [2022-12-13 11:57:59,222 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 11:57:59,224 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 305 [2022-12-13 11:57:59,224 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 44 transitions, 96 flow [2022-12-13 11:57:59,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-12-13 11:57:59,224 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:57:59,224 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 11:57:59,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 11:57:59,225 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-12-13 11:57:59,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:57:59,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1777028727, now seen corresponding path program 1 times [2022-12-13 11:57:59,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:57:59,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405257216] [2022-12-13 11:57:59,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:57:59,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:57:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:57:59,237 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:57:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:57:59,271 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:57:59,271 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 11:57:59,272 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P1Err1ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-12-13 11:57:59,273 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-12-13 11:57:59,274 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2022-12-13 11:57:59,274 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2022-12-13 11:57:59,274 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2022-12-13 11:57:59,274 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2022-12-13 11:57:59,274 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-12-13 11:57:59,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 11:57:59,274 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 11:57:59,279 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 11:57:59,279 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:57:59,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:57:59 BasicIcfg [2022-12-13 11:57:59,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:57:59,307 INFO L158 Benchmark]: Toolchain (without parser) took 8606.60ms. Allocated memory was 184.5MB in the beginning and 320.9MB in the end (delta: 136.3MB). Free memory was 160.2MB in the beginning and 197.5MB in the end (delta: -37.3MB). Peak memory consumption was 100.4MB. Max. memory is 8.0GB. [2022-12-13 11:57:59,307 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 127.9MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 11:57:59,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.56ms. Allocated memory is still 184.5MB. Free memory was 159.9MB in the beginning and 160.1MB in the end (delta: -158.8kB). Peak memory consumption was 30.9MB. Max. memory is 8.0GB. [2022-12-13 11:57:59,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.59ms. Allocated memory is still 184.5MB. Free memory was 160.1MB in the beginning and 156.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-13 11:57:59,308 INFO L158 Benchmark]: Boogie Preprocessor took 48.62ms. Allocated memory is still 184.5MB. Free memory was 156.9MB in the beginning and 154.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-13 11:57:59,308 INFO L158 Benchmark]: RCFGBuilder took 613.91ms. Allocated memory is still 184.5MB. Free memory was 154.8MB in the beginning and 149.9MB in the end (delta: 4.9MB). Peak memory consumption was 37.4MB. Max. memory is 8.0GB. [2022-12-13 11:57:59,308 INFO L158 Benchmark]: TraceAbstraction took 7355.40ms. Allocated memory was 184.5MB in the beginning and 320.9MB in the end (delta: 136.3MB). Free memory was 148.9MB in the beginning and 197.5MB in the end (delta: -48.7MB). Peak memory consumption was 88.7MB. Max. memory is 8.0GB. [2022-12-13 11:57:59,310 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 127.9MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 524.56ms. Allocated memory is still 184.5MB. Free memory was 159.9MB in the beginning and 160.1MB in the end (delta: -158.8kB). Peak memory consumption was 30.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.59ms. Allocated memory is still 184.5MB. Free memory was 160.1MB in the beginning and 156.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.62ms. Allocated memory is still 184.5MB. Free memory was 156.9MB in the beginning and 154.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 613.91ms. Allocated memory is still 184.5MB. Free memory was 154.8MB in the beginning and 149.9MB in the end (delta: 4.9MB). Peak memory consumption was 37.4MB. Max. memory is 8.0GB. * TraceAbstraction took 7355.40ms. Allocated memory was 184.5MB in the beginning and 320.9MB in the end (delta: 136.3MB). Free memory was 148.9MB in the beginning and 197.5MB in the end (delta: -48.7MB). Peak memory consumption was 88.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.0s, 94 PlacesBefore, 53 PlacesAfterwards, 89 TransitionsBefore, 47 TransitionsAfterwards, 1134 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 36 TrivialYvCompositions, 32 ConcurrentYvCompositions, 5 ChoiceCompositions, 74 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2144, independent: 2039, independent conditional: 2039, independent unconditional: 0, dependent: 105, dependent conditional: 105, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2144, independent: 2039, independent conditional: 0, independent unconditional: 2039, dependent: 105, dependent conditional: 0, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2144, independent: 2039, independent conditional: 0, independent unconditional: 2039, dependent: 105, dependent conditional: 0, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2144, independent: 2039, independent conditional: 0, independent unconditional: 2039, dependent: 105, dependent conditional: 0, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1122, independent: 1083, independent conditional: 0, independent unconditional: 1083, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1122, independent: 1057, independent conditional: 0, independent unconditional: 1057, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 65, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 222, dependent conditional: 0, dependent unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2144, independent: 956, independent conditional: 0, independent unconditional: 956, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 1122, unknown conditional: 0, unknown unconditional: 1122] , Statistics on independence cache: Total cache size (in pairs): 2102, Positive cache size: 2063, Positive conditional cache size: 0, Positive unconditional cache size: 2063, Negative cache size: 39, Negative conditional cache size: 0, Negative unconditional cache size: 39, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 51 PlacesBefore, 51 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 912 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 224, independent: 170, independent conditional: 170, independent unconditional: 0, dependent: 54, dependent conditional: 54, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 224, independent: 170, independent conditional: 8, independent unconditional: 162, dependent: 54, dependent conditional: 6, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 224, independent: 170, independent conditional: 8, independent unconditional: 162, dependent: 54, dependent conditional: 6, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 224, independent: 170, independent conditional: 8, independent unconditional: 162, dependent: 54, dependent conditional: 6, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 148, independent: 114, independent conditional: 6, independent unconditional: 108, dependent: 34, dependent conditional: 2, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 148, independent: 105, independent conditional: 0, independent unconditional: 105, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 34, dependent conditional: 2, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 278, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 272, dependent conditional: 9, dependent unconditional: 263, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 224, independent: 56, independent conditional: 2, independent unconditional: 54, dependent: 20, dependent conditional: 4, dependent unconditional: 16, unknown: 148, unknown conditional: 8, unknown unconditional: 140] , Statistics on independence cache: Total cache size (in pairs): 148, Positive cache size: 114, Positive conditional cache size: 6, Positive unconditional cache size: 108, Negative cache size: 34, Negative conditional cache size: 2, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p1_EAX = 0; [L715] 0 int __unbuffered_p1_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L721] 0 int y = 0; [L722] 0 _Bool y$flush_delayed; [L723] 0 int y$mem_tmp; [L724] 0 _Bool y$r_buff0_thd0; [L725] 0 _Bool y$r_buff0_thd1; [L726] 0 _Bool y$r_buff0_thd2; [L727] 0 _Bool y$r_buff1_thd0; [L728] 0 _Bool y$r_buff1_thd1; [L729] 0 _Bool y$r_buff1_thd2; [L730] 0 _Bool y$read_delayed; [L731] 0 int *y$read_delayed_var; [L732] 0 int y$w_buff0; [L733] 0 _Bool y$w_buff0_used; [L734] 0 int y$w_buff1; [L735] 0 _Bool y$w_buff1_used; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L834] 0 pthread_t t1665; [L835] FCALL, FORK 0 pthread_create(&t1665, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1665, ((void *)0), P0, ((void *)0))=-1, t1665={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L836] 0 pthread_t t1666; [L837] FCALL, FORK 0 pthread_create(&t1666, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1666, ((void *)0), P1, ((void *)0))=0, t1665={5:0}, t1666={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L771] 2 y$w_buff1 = y$w_buff0 [L772] 2 y$w_buff0 = 1 [L773] 2 y$w_buff1_used = y$w_buff0_used [L774] 2 y$w_buff0_used = (_Bool)1 [L775] CALL 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L19] COND FALSE 2 !(!expression) [L775] RET 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L776] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L777] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L778] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L779] 2 y$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L782] 2 y$w_buff1 = y$w_buff0 [L783] 2 y$w_buff0 = 2 [L784] 2 y$w_buff1_used = y$w_buff0_used [L785] 2 y$w_buff0_used = (_Bool)1 [L786] CALL 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L19] COND TRUE 2 !expression [L19] 2 reach_error() VAL [\old(expression)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, expression=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=1, y$w_buff1_used=1] - UnprovableResult [Line: 19]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 837]: 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. - UnprovableResult [Line: 835]: 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 5 procedures, 111 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 0 mSDtfsCounter, 72 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2022-12-13 11:57:59,326 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...