/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_3-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-d6e1636 [2023-01-10 12:36:09,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-10 12:36:09,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-10 12:36:09,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-10 12:36:09,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-10 12:36:09,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-10 12:36:09,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-10 12:36:09,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-10 12:36:09,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-10 12:36:09,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-10 12:36:09,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-10 12:36:09,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2023-01-10 12:36:09,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-10 12:36:09,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-10 12:36:09,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-10 12:36:09,171 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-01-10 12:36:09,197 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-10 12:36:09,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-10 12:36:09,197 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-01-10 12:36:09,198 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-01-10 12:36:09,198 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-10 12:36:09,198 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-10 12:36:09,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-10 12:36:09,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-10 12:36:09,199 INFO L138 SettingsManager]: * Use SBE=true [2023-01-10 12:36:09,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-10 12:36:09,199 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-10 12:36:09,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-10 12:36:09,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-10 12:36:09,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-10 12:36:09,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-10 12:36:09,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-10 12:36:09,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-10 12:36:09,199 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-10 12:36:09,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-10 12:36:09,201 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-10 12:36:09,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-10 12:36:09,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-10 12:36:09,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-10 12:36:09,202 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-10 12:36:09,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-10 12:36:09,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 12:36:09,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-10 12:36:09,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-10 12:36:09,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-10 12:36:09,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-10 12:36:09,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-10 12:36:09,203 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-01-10 12:36:09,203 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-01-10 12:36:09,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-01-10 12:36:09,203 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-01-10 12:36:09,204 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-01-10 12:36:09,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-10 12:36:09,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-10 12:36:09,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-10 12:36:09,457 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-10 12:36:09,457 INFO L275 PluginConnector]: CDTParser initialized [2023-01-10 12:36:09,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2023-01-10 12:36:10,439 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-10 12:36:10,695 INFO L351 CDTParser]: Found 1 translation units. [2023-01-10 12:36:10,696 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2023-01-10 12:36:10,709 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/983631631/34069f78330f4917a82d2c0a99de26a8/FLAG4563a7294 [2023-01-10 12:36:10,718 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/983631631/34069f78330f4917a82d2c0a99de26a8 [2023-01-10 12:36:10,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-10 12:36:10,721 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-10 12:36:10,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-10 12:36:10,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-10 12:36:10,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-10 12:36:10,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:36:10" (1/1) ... [2023-01-10 12:36:10,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ee349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:36:10, skipping insertion in model container [2023-01-10 12:36:10,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:36:10" (1/1) ... [2023-01-10 12:36:10,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-10 12:36:10,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-10 12:36:10,866 WARN L631 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-01-10 12:36:11,288 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_3-container_of.i[75002,75015] [2023-01-10 12:36:11,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 12:36:11,327 INFO L203 MainTranslator]: Completed pre-run [2023-01-10 12:36:11,335 WARN L631 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-01-10 12:36:11,357 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_3-container_of.i[75002,75015] [2023-01-10 12:36:11,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 12:36:11,451 WARN L663 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-10 12:36:11,451 WARN L663 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-10 12:36:11,451 WARN L663 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-01-10 12:36:11,457 INFO L208 MainTranslator]: Completed translation [2023-01-10 12:36:11,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:36:11 WrapperNode [2023-01-10 12:36:11,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-10 12:36:11,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-10 12:36:11,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-10 12:36:11,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-10 12:36:11,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:36:11" (1/1) ... [2023-01-10 12:36:11,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:36:11" (1/1) ... [2023-01-10 12:36:11,509 INFO L138 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 144 [2023-01-10 12:36:11,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-10 12:36:11,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-10 12:36:11,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-10 12:36:11,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-10 12:36:11,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:36:11" (1/1) ... [2023-01-10 12:36:11,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:36:11" (1/1) ... [2023-01-10 12:36:11,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:36:11" (1/1) ... [2023-01-10 12:36:11,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:36:11" (1/1) ... [2023-01-10 12:36:11,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:36:11" (1/1) ... [2023-01-10 12:36:11,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:36:11" (1/1) ... [2023-01-10 12:36:11,564 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:36:11" (1/1) ... [2023-01-10 12:36:11,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:36:11" (1/1) ... [2023-01-10 12:36:11,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-10 12:36:11,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-10 12:36:11,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-10 12:36:11,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-10 12:36:11,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:36:11" (1/1) ... [2023-01-10 12:36:11,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 12:36:11,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 12:36:11,608 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) [2023-01-10 12:36:11,616 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 [2023-01-10 12:36:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-01-10 12:36:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-10 12:36:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-01-10 12:36:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-10 12:36:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-01-10 12:36:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-10 12:36:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-01-10 12:36:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-10 12:36:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-10 12:36:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-01-10 12:36:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-01-10 12:36:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-10 12:36:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-10 12:36:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-10 12:36:11,638 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-10 12:36:11,983 INFO L236 CfgBuilder]: Building ICFG [2023-01-10 12:36:11,984 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-10 12:36:12,282 INFO L277 CfgBuilder]: Performing block encoding [2023-01-10 12:36:12,367 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-10 12:36:12,368 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-01-10 12:36:12,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:36:12 BoogieIcfgContainer [2023-01-10 12:36:12,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-10 12:36:12,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-10 12:36:12,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-10 12:36:12,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-10 12:36:12,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 12:36:10" (1/3) ... [2023-01-10 12:36:12,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5712b191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:36:12, skipping insertion in model container [2023-01-10 12:36:12,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:36:11" (2/3) ... [2023-01-10 12:36:12,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5712b191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:36:12, skipping insertion in model container [2023-01-10 12:36:12,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:36:12" (3/3) ... [2023-01-10 12:36:12,384 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2023-01-10 12:36:12,406 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-01-10 12:36:12,413 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-10 12:36:12,413 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-01-10 12:36:12,414 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-10 12:36:12,453 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-01-10 12:36:12,505 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 12:36:12,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 12:36:12,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 12:36:12,513 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-01-10 12:36:12,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-01-10 12:36:12,543 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-01-10 12:36:12,549 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-01-10 12:36:12,553 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=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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;@5c57f4f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 12:36:12,553 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 12:36:12,586 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 12:36:12,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 12:36:12,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1927585316, now seen corresponding path program 1 times [2023-01-10 12:36:12,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 12:36:12,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850751271] [2023-01-10 12:36:12,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 12:36:12,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 12:36:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-10 12:36:13,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-10 12:36:13,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-10 12:36:13,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850751271] [2023-01-10 12:36:13,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850751271] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-10 12:36:13,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-10 12:36:13,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-10 12:36:13,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322175105] [2023-01-10 12:36:13,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-10 12:36:13,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-10 12:36:13,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-10 12:36:13,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-10 12:36:13,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-10 12:36:13,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:36:13,340 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-10 12:36:13,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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) [2023-01-10 12:36:13,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-10 12:36:13,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-10 12:36:13,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-10 12:36:13,461 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-01-10 12:36:13,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-10 12:36:13,462 INFO L85 PathProgramCache]: Analyzing trace with hash -652561760, now seen corresponding path program 1 times [2023-01-10 12:36:13,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-10 12:36:13,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697667716] [2023-01-10 12:36:13,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-10 12:36:13,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-10 12:36:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-10 12:36:13,543 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-10 12:36:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-10 12:36:13,613 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-10 12:36:13,614 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-10 12:36:13,615 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-01-10 12:36:13,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-10 12:36:13,627 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-01-10 12:36:13,628 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was UNSAFE (1/8) [2023-01-10 12:36:13,631 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-10 12:36:13,631 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-10 12:36:13,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 12:36:13 BasicIcfg [2023-01-10 12:36:13,693 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-10 12:36:13,695 INFO L158 Benchmark]: Toolchain (without parser) took 2973.02ms. Allocated memory is still 268.4MB. Free memory was 216.4MB in the beginning and 126.1MB in the end (delta: 90.3MB). Peak memory consumption was 90.8MB. Max. memory is 8.0GB. [2023-01-10 12:36:13,695 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 184.5MB. Free memory is still 135.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-01-10 12:36:13,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 735.96ms. Allocated memory is still 268.4MB. Free memory was 215.9MB in the beginning and 161.4MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 8.0GB. [2023-01-10 12:36:13,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.07ms. Allocated memory is still 268.4MB. Free memory was 161.4MB in the beginning and 157.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-01-10 12:36:13,701 INFO L158 Benchmark]: Boogie Preprocessor took 60.84ms. Allocated memory is still 268.4MB. Free memory was 157.7MB in the beginning and 155.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-01-10 12:36:13,701 INFO L158 Benchmark]: RCFGBuilder took 798.62ms. Allocated memory is still 268.4MB. Free memory was 155.1MB in the beginning and 126.8MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2023-01-10 12:36:13,701 INFO L158 Benchmark]: TraceAbstraction took 1322.00ms. Allocated memory is still 268.4MB. Free memory was 126.3MB in the beginning and 126.1MB in the end (delta: 138.7kB). Peak memory consumption was 665.1kB. Max. memory is 8.0GB. [2023-01-10 12:36:13,704 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 184.5MB. Free memory is still 135.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 735.96ms. Allocated memory is still 268.4MB. Free memory was 215.9MB in the beginning and 161.4MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.07ms. Allocated memory is still 268.4MB. Free memory was 161.4MB in the beginning and 157.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 60.84ms. Allocated memory is still 268.4MB. Free memory was 157.7MB in the beginning and 155.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 798.62ms. Allocated memory is still 268.4MB. Free memory was 155.1MB in the beginning and 126.8MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * TraceAbstraction took 1322.00ms. Allocated memory is still 268.4MB. Free memory was 126.3MB in the beginning and 126.1MB in the end (delta: 138.7kB). Peak memory consumption was 665.1kB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 82, independent: 80, independent conditional: 80, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 81, independent: 80, independent conditional: 80, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 81, independent: 80, independent conditional: 80, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 82, independent: 80, independent conditional: 0, independent unconditional: 80, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 82, independent: 80, independent conditional: 0, independent unconditional: 80, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 82, independent: 80, independent conditional: 0, independent unconditional: 80, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 43, independent: 41, independent conditional: 0, independent unconditional: 41, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 43, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 45, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 42, dependent conditional: 8, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 82, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 43, unknown conditional: 1, unknown unconditional: 42] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 2, Negative conditional cache size: 1, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 1 - StatisticsResult: Traversal Statistics Data States: 53, Transitions: 52, Traversal time: 20670524.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - StatisticsResult: Traversal Statistics Data States: 61, Transitions: 61, Traversal time: 106316058.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: 0 - CounterExampleResult [Line: 1675]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; VAL [t1={3:0}, t2={4:0}] [L1745] CALL, EXPR 0 my_drv_init() [L1739] 0 return 0; VAL [\result=0, t1={3:0}, t2={4:0}] [L1745] RET, EXPR 0 my_drv_init() [L1745] 0 int ret = my_drv_init(); VAL [my_drv_init()=0, ret=0, t1={3:0}, t2={4:0}] [L1746] COND TRUE 0 ret==0 VAL [ret=0, t1={3:0}, t2={4:0}] [L1747] 0 int probe_ret; VAL [ret=0, t1={3:0}, t2={4:0}] [L1748] 0 struct my_data data; VAL [data={5:0}, ret=0, t1={3:0}, t2={4:0}] [L1749] CALL 0 my_drv_probe(&data) [L1706] 0 struct device *d = &data->dev; VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1708] 0 data->shared.a = 0 VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1709] 0 data->shared.b = 0 VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1710] 0 int res = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, d={5:24}, data={5:0}, data={5:0}, res=0, t1={3:0}, t2={4:0}] [L1711] COND FALSE 0 !(\read(res)) VAL [d={5:24}, data={5:0}, data={5:0}, res=0, t1={3:0}, t2={4:0}] [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={5:24}, d={5:24}, data={5:0}, data={5:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=6, res=0, t1={3:0}, t2={4:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [arg={5:24}, d={5:24}, data={5:0}, data={5:0}, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=7, res=0, t1={3:0}, t2={4:0}] [L1716] 0 data->shared.a = 3 VAL [arg={5:24}, d={5:24}, data={5:0}, data={5:0}, res=0, t1={3:0}, t2={4:0}] [L1719] 0 data->shared.b = 3 VAL [arg={5:24}, d={5:24}, data={5:0}, data={5:0}, res=0, t1={3:0}, t2={4:0}] [L1689] 1 struct device *dev = (struct device*)arg; VAL [arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1690] 1 struct my_data *data; VAL [arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}] [L1694] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}] [L1722] EXPR 0 data->shared.a [L1722] CALL 0 ldv_assert(data->shared.a==3) [L1675] COND TRUE 0 !expression [L1675] 0 reach_error() VAL [\old(expression)=0, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, expression=0, t1={3:0}, t2={4:0}] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 4 procedures, 169 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1106984090.0ns, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 151986783.0ns, FeasibilityCheckTime: 882606660.0ns, RefinementTime: 23675640.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 20784572.0ns, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 33777901.0ns IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 99 SdHoareTripleChecker+Invalid, 27011524.0ns Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 39 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 60 mSDtfsCounter, 24 mSolverCounterSat, 3259592.0ns SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: No data available, 0.0ns BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11511760.0ns SsaConstructionTime, 128590534.0ns SatisfiabilityAnalysisTime, 428897874.0ns InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 67 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! [2023-01-10 12:36:13,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-01-10 12:36:13,927 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...