/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-RepeatedSemanticLbeWithPredicates.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-8d0d62b [2022-12-06 04:22:25,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 04:22:25,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 04:22:25,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 04:22:25,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 04:22:25,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 04:22:25,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 04:22:25,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 04:22:25,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 04:22:25,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 04:22:25,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 04:22:25,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 04:22:25,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 04:22:25,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 04:22:25,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 04:22:25,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 04:22:25,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 04:22:25,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 04:22:25,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 04:22:25,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 04:22:25,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 04:22:25,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 04:22:25,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 04:22:25,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 04:22:25,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 04:22:25,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 04:22:25,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 04:22:25,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 04:22:25,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 04:22:25,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 04:22:25,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 04:22:25,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 04:22:25,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 04:22:25,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 04:22:25,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 04:22:25,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 04:22:25,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 04:22:25,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 04:22:25,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 04:22:25,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 04:22:25,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 04:22:25,634 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-RepeatedSemanticLbeWithPredicates.epf [2022-12-06 04:22:25,671 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 04:22:25,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 04:22:25,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 04:22:25,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 04:22:25,674 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 04:22:25,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 04:22:25,674 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 04:22:25,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 04:22:25,674 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 04:22:25,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 04:22:25,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 04:22:25,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 04:22:25,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 04:22:25,675 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 04:22:25,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 04:22:25,676 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 04:22:25,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 04:22:25,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 04:22:25,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 04:22:25,677 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 04:22:25,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 04:22:25,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:22:25,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 04:22:25,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 04:22:25,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 04:22:25,678 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 04:22:25,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 04:22:25,678 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 04:22:25,678 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 04:22:25,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 04:22:26,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 04:22:26,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 04:22:26,031 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 04:22:26,032 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 04:22:26,033 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi005.i [2022-12-06 04:22:27,382 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 04:22:27,643 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 04:22:27,643 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi005.i [2022-12-06 04:22:27,656 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26737c5d2/4d93e984fc844dc398846a2404c0e580/FLAG7907a99f1 [2022-12-06 04:22:27,673 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26737c5d2/4d93e984fc844dc398846a2404c0e580 [2022-12-06 04:22:27,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 04:22:27,684 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 04:22:27,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 04:22:27,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 04:22:27,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 04:22:27,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:22:27" (1/1) ... [2022-12-06 04:22:27,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d772db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:22:27, skipping insertion in model container [2022-12-06 04:22:27,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:22:27" (1/1) ... [2022-12-06 04:22:27,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 04:22:27,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 04:22:27,919 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] [2022-12-06 04:22:28,048 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,050 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,050 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,050 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,050 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,063 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,063 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,063 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,063 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,064 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,068 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,070 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,070 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,071 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,071 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,084 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,085 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,085 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,092 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,092 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,092 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,095 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,095 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,102 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:22:28,117 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 04:22:28,127 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] [2022-12-06 04:22:28,167 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,168 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,168 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,168 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,168 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,174 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,174 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,175 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,175 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,175 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,176 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,176 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,177 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,177 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,178 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,192 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,192 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,192 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,192 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,194 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,194 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,194 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,197 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,197 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,197 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,211 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,211 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:22:28,216 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:22:28,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:22:28,267 INFO L208 MainTranslator]: Completed translation [2022-12-06 04:22:28,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:22:28 WrapperNode [2022-12-06 04:22:28,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 04:22:28,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 04:22:28,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 04:22:28,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 04:22:28,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:22:28" (1/1) ... [2022-12-06 04:22:28,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:22:28" (1/1) ... [2022-12-06 04:22:28,318 INFO L138 Inliner]: procedures = 175, calls = 48, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 164 [2022-12-06 04:22:28,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 04:22:28,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 04:22:28,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 04:22:28,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 04:22:28,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:22:28" (1/1) ... [2022-12-06 04:22:28,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:22:28" (1/1) ... [2022-12-06 04:22:28,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:22:28" (1/1) ... [2022-12-06 04:22:28,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:22:28" (1/1) ... [2022-12-06 04:22:28,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:22:28" (1/1) ... [2022-12-06 04:22:28,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:22:28" (1/1) ... [2022-12-06 04:22:28,346 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:22:28" (1/1) ... [2022-12-06 04:22:28,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:22:28" (1/1) ... [2022-12-06 04:22:28,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 04:22:28,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 04:22:28,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 04:22:28,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 04:22:28,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:22:28" (1/1) ... [2022-12-06 04:22:28,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:22:28,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 04:22:28,396 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) [2022-12-06 04:22:28,419 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 [2022-12-06 04:22:28,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 04:22:28,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 04:22:28,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 04:22:28,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 04:22:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 04:22:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-06 04:22:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-06 04:22:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-06 04:22:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-06 04:22:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 04:22:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 04:22:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 04:22:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 04:22:28,445 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 04:22:28,605 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 04:22:28,607 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 04:22:28,893 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 04:22:29,149 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 04:22:29,149 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 04:22:29,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:22:29 BoogieIcfgContainer [2022-12-06 04:22:29,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 04:22:29,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 04:22:29,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 04:22:29,159 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 04:22:29,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:22:27" (1/3) ... [2022-12-06 04:22:29,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d45e69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:22:29, skipping insertion in model container [2022-12-06 04:22:29,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:22:28" (2/3) ... [2022-12-06 04:22:29,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d45e69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:22:29, skipping insertion in model container [2022-12-06 04:22:29,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:22:29" (3/3) ... [2022-12-06 04:22:29,161 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi005.i [2022-12-06 04:22:29,178 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 04:22:29,178 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-06 04:22:29,178 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 04:22:29,233 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 04:22:29,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 96 places, 91 transitions, 192 flow [2022-12-06 04:22:29,358 INFO L130 PetriNetUnfolder]: 2/89 cut-off events. [2022-12-06 04:22:29,359 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:22:29,364 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. [2022-12-06 04:22:29,364 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 91 transitions, 192 flow [2022-12-06 04:22:29,368 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 94 places, 89 transitions, 184 flow [2022-12-06 04:22:29,369 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:22:29,390 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 89 transitions, 184 flow [2022-12-06 04:22:29,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 89 transitions, 184 flow [2022-12-06 04:22:29,430 INFO L130 PetriNetUnfolder]: 2/89 cut-off events. [2022-12-06 04:22:29,430 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:22:29,431 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. [2022-12-06 04:22:29,434 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 89 transitions, 184 flow [2022-12-06 04:22:29,434 INFO L188 LiptonReduction]: Number of co-enabled transitions 1134 [2022-12-06 04:22:34,566 INFO L203 LiptonReduction]: Total number of compositions: 70 [2022-12-06 04:22:34,580 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 04:22:34,586 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;@41edca2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 04:22:34,586 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-06 04:22:34,589 INFO L130 PetriNetUnfolder]: 0/7 cut-off events. [2022-12-06 04:22:34,589 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:22:34,589 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:22:34,590 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-06 04:22:34,590 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-12-06 04:22:34,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:22:34,594 INFO L85 PathProgramCache]: Analyzing trace with hash 475602722, now seen corresponding path program 1 times [2022-12-06 04:22:34,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:22:34,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246685051] [2022-12-06 04:22:34,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:22:34,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:22:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:22:34,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:22:34,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:22:34,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246685051] [2022-12-06 04:22:34,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246685051] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:22:34,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:22:34,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 04:22:34,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641324166] [2022-12-06 04:22:34,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:22:34,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:22:34,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:22:34,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:22:34,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:22:34,990 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 22 [2022-12-06 04:22:34,991 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 22 transitions, 50 flow. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-06 04:22:34,991 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:22:34,991 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 22 [2022-12-06 04:22:34,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:22:35,129 INFO L130 PetriNetUnfolder]: 249/450 cut-off events. [2022-12-06 04:22:35,130 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 04:22:35,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 890 conditions, 450 events. 249/450 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1870 event pairs, 21 based on Foata normal form. 0/370 useless extension candidates. Maximal degree in co-relation 880. Up to 373 conditions per place. [2022-12-06 04:22:35,134 INFO L137 encePairwiseOnDemand]: 17/22 looper letters, 24 selfloop transitions, 2 changer transitions 0/27 dead transitions. [2022-12-06 04:22:35,134 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 27 transitions, 112 flow [2022-12-06 04:22:35,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:22:35,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:22:35,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 34 transitions. [2022-12-06 04:22:35,145 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5151515151515151 [2022-12-06 04:22:35,146 INFO L175 Difference]: Start difference. First operand has 28 places, 22 transitions, 50 flow. Second operand 3 states and 34 transitions. [2022-12-06 04:22:35,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 27 transitions, 112 flow [2022-12-06 04:22:35,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 27 transitions, 110 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 04:22:35,150 INFO L231 Difference]: Finished difference. Result has 26 places, 19 transitions, 46 flow [2022-12-06 04:22:35,151 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=22, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=46, PETRI_PLACES=26, PETRI_TRANSITIONS=19} [2022-12-06 04:22:35,154 INFO L294 CegarLoopForPetriNet]: 28 programPoint places, -2 predicate places. [2022-12-06 04:22:35,155 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:22:35,155 INFO L89 Accepts]: Start accepts. Operand has 26 places, 19 transitions, 46 flow [2022-12-06 04:22:35,157 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:22:35,157 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:22:35,158 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 19 transitions, 46 flow [2022-12-06 04:22:35,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 19 transitions, 46 flow [2022-12-06 04:22:35,164 INFO L130 PetriNetUnfolder]: 0/19 cut-off events. [2022-12-06 04:22:35,164 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:22:35,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27 conditions, 19 events. 0/19 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 24 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-12-06 04:22:35,165 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 19 transitions, 46 flow [2022-12-06 04:22:35,165 INFO L188 LiptonReduction]: Number of co-enabled transitions 154 [2022-12-06 04:22:35,301 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:22:35,302 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 147 [2022-12-06 04:22:35,303 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 19 transitions, 46 flow [2022-12-06 04:22:35,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-06 04:22:35,303 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:22:35,303 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-06 04:22:35,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 04:22:35,304 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-12-06 04:22:35,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:22:35,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1858782903, now seen corresponding path program 1 times [2022-12-06 04:22:35,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:22:35,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555243400] [2022-12-06 04:22:35,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:22:35,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:22:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 04:22:35,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-06 04:22:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 04:22:35,355 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-06 04:22:35,355 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-06 04:22:35,357 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P1Err1ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-12-06 04:22:35,358 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-12-06 04:22:35,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2022-12-06 04:22:35,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2022-12-06 04:22:35,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2022-12-06 04:22:35,359 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2022-12-06 04:22:35,360 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-12-06 04:22:35,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 04:22:35,360 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-06 04:22:35,365 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 04:22:35,365 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 04:22:35,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 04:22:35 BasicIcfg [2022-12-06 04:22:35,390 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 04:22:35,391 INFO L158 Benchmark]: Toolchain (without parser) took 7706.98ms. Allocated memory was 186.6MB in the beginning and 254.8MB in the end (delta: 68.2MB). Free memory was 150.6MB in the beginning and 110.5MB in the end (delta: 40.1MB). Peak memory consumption was 109.3MB. Max. memory is 8.0GB. [2022-12-06 04:22:35,391 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 163.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 04:22:35,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 582.47ms. Allocated memory is still 186.6MB. Free memory was 150.6MB in the beginning and 122.8MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-12-06 04:22:35,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.15ms. Allocated memory is still 186.6MB. Free memory was 122.8MB in the beginning and 120.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-06 04:22:35,392 INFO L158 Benchmark]: Boogie Preprocessor took 35.31ms. Allocated memory is still 186.6MB. Free memory was 120.2MB in the beginning and 118.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 04:22:35,393 INFO L158 Benchmark]: RCFGBuilder took 796.22ms. Allocated memory is still 186.6MB. Free memory was 118.1MB in the beginning and 73.0MB in the end (delta: 45.1MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. [2022-12-06 04:22:35,397 INFO L158 Benchmark]: TraceAbstraction took 6237.35ms. Allocated memory was 186.6MB in the beginning and 254.8MB in the end (delta: 68.2MB). Free memory was 71.9MB in the beginning and 110.5MB in the end (delta: -38.6MB). Peak memory consumption was 30.6MB. Max. memory is 8.0GB. [2022-12-06 04:22:35,398 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 163.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 582.47ms. Allocated memory is still 186.6MB. Free memory was 150.6MB in the beginning and 122.8MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.15ms. Allocated memory is still 186.6MB. Free memory was 122.8MB in the beginning and 120.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.31ms. Allocated memory is still 186.6MB. Free memory was 120.2MB in the beginning and 118.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 796.22ms. Allocated memory is still 186.6MB. Free memory was 118.1MB in the beginning and 73.0MB in the end (delta: 45.1MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. * TraceAbstraction took 6237.35ms. Allocated memory was 186.6MB in the beginning and 254.8MB in the end (delta: 68.2MB). Free memory was 71.9MB in the beginning and 110.5MB in the end (delta: -38.6MB). Peak memory consumption was 30.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.1s, 94 PlacesBefore, 28 PlacesAfterwards, 89 TransitionsBefore, 22 TransitionsAfterwards, 1134 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 36 TrivialYvCompositions, 32 ConcurrentYvCompositions, 1 ChoiceCompositions, 70 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 887, independent: 840, independent conditional: 840, independent unconditional: 0, dependent: 47, dependent conditional: 47, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 887, independent: 840, independent conditional: 0, independent unconditional: 840, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 887, independent: 840, independent conditional: 0, independent unconditional: 840, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 887, independent: 840, independent conditional: 0, independent unconditional: 840, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 705, independent: 671, independent conditional: 0, independent unconditional: 671, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 705, independent: 647, independent conditional: 0, independent unconditional: 647, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 58, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 359, independent: 44, independent conditional: 0, independent unconditional: 44, dependent: 316, dependent conditional: 0, dependent unconditional: 316, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 887, independent: 169, independent conditional: 0, independent unconditional: 169, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 705, unknown conditional: 0, unknown unconditional: 705] , Statistics on independence cache: Total cache size (in pairs): 1021, Positive cache size: 987, Positive conditional cache size: 0, Positive unconditional cache size: 987, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, 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: 0.1s, 26 PlacesBefore, 26 PlacesAfterwards, 19 TransitionsBefore, 19 TransitionsAfterwards, 154 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 58, independent: 36, independent conditional: 36, independent unconditional: 0, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 58, independent: 36, independent conditional: 4, independent unconditional: 32, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 58, independent: 36, independent conditional: 4, independent unconditional: 32, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 58, independent: 36, independent conditional: 4, independent unconditional: 32, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 48, independent: 31, independent conditional: 3, independent unconditional: 28, dependent: 17, dependent conditional: 2, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 48, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 17, dependent conditional: 2, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 133, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 131, dependent conditional: 15, dependent unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 58, independent: 5, independent conditional: 1, independent unconditional: 4, dependent: 5, dependent conditional: 2, dependent unconditional: 3, unknown: 48, unknown conditional: 5, unknown unconditional: 43] , Statistics on independence cache: Total cache size (in pairs): 48, Positive cache size: 31, Positive conditional cache size: 3, Positive unconditional cache size: 28, Negative cache size: 17, Negative conditional cache size: 2, Negative unconditional cache size: 15, 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))=0, 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))=1, 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: 6.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 0 mSDtfsCounter, 32 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=50occurred 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, 0.3s 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! [2022-12-06 04:22:35,425 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...