/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/peterson.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 10:45:42,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 10:45:42,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 10:45:42,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-04 10:45:42,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 10:45:42,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 10:45:42,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 10:45:42,437 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 10:45:42,474 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 10:45:42,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 10:45:42,475 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 10:45:42,475 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 10:45:42,476 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 10:45:42,476 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 10:45:42,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 10:45:42,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 10:45:42,476 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 10:45:42,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 10:45:42,478 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 10:45:42,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 10:45:42,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 10:45:42,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 10:45:42,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 10:45:42,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 10:45:42,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 10:45:42,479 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 10:45:42,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 10:45:42,479 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 10:45:42,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 10:45:42,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 10:45:42,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 10:45:42,479 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 10:45:42,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 10:45:42,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 10:45:42,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 10:45:42,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 10:45:42,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 10:45:42,480 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 10:45:42,480 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 10:45:42,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 10:45:42,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 10:45:42,482 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 10:45:42,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 10:45:42,482 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 10:45:42,482 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 10:45:42,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 10:45:42,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 10:45:42,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 10:45:42,708 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 10:45:42,709 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 10:45:42,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/peterson.i [2023-05-04 10:45:42,769 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0af1f0a0a/f641e022bbef4587bec53fbff7b0cae3/FLAG8156c9843 [2023-05-04 10:45:43,250 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 10:45:43,250 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i [2023-05-04 10:45:43,270 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0af1f0a0a/f641e022bbef4587bec53fbff7b0cae3/FLAG8156c9843 [2023-05-04 10:45:43,570 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0af1f0a0a/f641e022bbef4587bec53fbff7b0cae3 [2023-05-04 10:45:43,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 10:45:43,573 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 10:45:43,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 10:45:43,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 10:45:43,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 10:45:43,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 10:45:43" (1/1) ... [2023-05-04 10:45:43,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7209f89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:43, skipping insertion in model container [2023-05-04 10:45:43,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 10:45:43" (1/1) ... [2023-05-04 10:45:43,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 10:45:43,643 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 10:45:43,804 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-05-04 10:45:43,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[30997,31010] [2023-05-04 10:45:43,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[31682,31695] [2023-05-04 10:45:43,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 10:45:43,958 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 10:45:43,982 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-05-04 10:45:44,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[30997,31010] [2023-05-04 10:45:44,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[31682,31695] [2023-05-04 10:45:44,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 10:45:44,055 INFO L208 MainTranslator]: Completed translation [2023-05-04 10:45:44,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:44 WrapperNode [2023-05-04 10:45:44,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 10:45:44,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 10:45:44,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 10:45:44,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 10:45:44,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:44" (1/1) ... [2023-05-04 10:45:44,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:44" (1/1) ... [2023-05-04 10:45:44,101 INFO L138 Inliner]: procedures = 171, calls = 47, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-05-04 10:45:44,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 10:45:44,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 10:45:44,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 10:45:44,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 10:45:44,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:44" (1/1) ... [2023-05-04 10:45:44,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:44" (1/1) ... [2023-05-04 10:45:44,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:44" (1/1) ... [2023-05-04 10:45:44,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:44" (1/1) ... [2023-05-04 10:45:44,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:44" (1/1) ... [2023-05-04 10:45:44,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:44" (1/1) ... [2023-05-04 10:45:44,134 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:44" (1/1) ... [2023-05-04 10:45:44,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:44" (1/1) ... [2023-05-04 10:45:44,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 10:45:44,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 10:45:44,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 10:45:44,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 10:45:44,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:44" (1/1) ... [2023-05-04 10:45:44,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 10:45:44,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:45:44,163 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) [2023-05-04 10:45:44,165 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 [2023-05-04 10:45:44,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 10:45:44,196 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-05-04 10:45:44,196 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-05-04 10:45:44,196 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-05-04 10:45:44,196 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-05-04 10:45:44,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 10:45:44,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 10:45:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 10:45:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 10:45:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 10:45:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 10:45:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 10:45:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 10:45:44,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 10:45:44,199 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 10:45:44,295 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 10:45:44,297 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 10:45:44,480 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 10:45:44,485 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 10:45:44,486 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-04 10:45:44,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 10:45:44 BoogieIcfgContainer [2023-05-04 10:45:44,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 10:45:44,503 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 10:45:44,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 10:45:44,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 10:45:44,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 10:45:43" (1/3) ... [2023-05-04 10:45:44,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f4e0d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 10:45:44, skipping insertion in model container [2023-05-04 10:45:44,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:45:44" (2/3) ... [2023-05-04 10:45:44,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f4e0d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 10:45:44, skipping insertion in model container [2023-05-04 10:45:44,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 10:45:44" (3/3) ... [2023-05-04 10:45:44,509 INFO L112 eAbstractionObserver]: Analyzing ICFG peterson.i [2023-05-04 10:45:44,516 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 10:45:44,541 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 10:45:44,541 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-05-04 10:45:44,541 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 10:45:44,617 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 10:45:44,671 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 10:45:44,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 10:45:44,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:45:44,678 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) [2023-05-04 10:45:44,700 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 [2023-05-04 10:45:44,719 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 10:45:44,749 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2023-05-04 10:45:44,761 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;@2e181905, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 10:45:44,762 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-04 10:45:44,974 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 10:45:44,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:45:44,980 INFO L85 PathProgramCache]: Analyzing trace with hash 858850878, now seen corresponding path program 1 times [2023-05-04 10:45:44,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:45:44,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044948373] [2023-05-04 10:45:44,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:45:44,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:45:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:45:45,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 10:45:45,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:45:45,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044948373] [2023-05-04 10:45:45,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044948373] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 10:45:45,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 10:45:45,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 10:45:45,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482690756] [2023-05-04 10:45:45,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:45:45,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 10:45:45,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:45:45,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 10:45:45,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 10:45:45,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:45,286 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:45:45,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 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) [2023-05-04 10:45:45,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:45,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:45,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 10:45:45,321 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 10:45:45,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:45:45,321 INFO L85 PathProgramCache]: Analyzing trace with hash 353292253, now seen corresponding path program 1 times [2023-05-04 10:45:45,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:45:45,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685349979] [2023-05-04 10:45:45,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:45:45,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:45:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:45:45,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 10:45:45,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:45:45,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685349979] [2023-05-04 10:45:45,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685349979] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 10:45:45,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 10:45:45,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 10:45:45,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073668062] [2023-05-04 10:45:45,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:45:45,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 10:45:45,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:45:45,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 10:45:45,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 10:45:45,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:45,587 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:45:45,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 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) [2023-05-04 10:45:45,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:45,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:45,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:45,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 10:45:45,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 10:45:45,709 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 10:45:45,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:45:45,710 INFO L85 PathProgramCache]: Analyzing trace with hash 449911074, now seen corresponding path program 1 times [2023-05-04 10:45:45,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:45:45,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553895597] [2023-05-04 10:45:45,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:45:45,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:45:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:45:45,813 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 10:45:45,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:45:45,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553895597] [2023-05-04 10:45:45,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553895597] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 10:45:45,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 10:45:45,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 10:45:45,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659199818] [2023-05-04 10:45:45,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:45:45,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 10:45:45,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:45:45,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 10:45:45,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 10:45:45,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:45,816 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:45:45,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2023-05-04 10:45:45,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:45,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 10:45:45,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:45,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:45,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 10:45:45,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 10:45:45,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 10:45:45,840 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 10:45:45,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:45:45,841 INFO L85 PathProgramCache]: Analyzing trace with hash -76545550, now seen corresponding path program 1 times [2023-05-04 10:45:45,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:45:45,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462464546] [2023-05-04 10:45:45,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:45:45,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:45:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:45:45,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:45:45,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:45:45,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462464546] [2023-05-04 10:45:45,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462464546] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 10:45:45,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 10:45:45,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 10:45:45,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796431957] [2023-05-04 10:45:45,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:45:45,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 10:45:45,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:45:45,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 10:45:45,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 10:45:45,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:45,905 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:45:45,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2023-05-04 10:45:45,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:45,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 10:45:45,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 10:45:45,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:46,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:46,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:45:46,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 10:45:46,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:45:46,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 10:45:46,164 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 10:45:46,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:45:46,164 INFO L85 PathProgramCache]: Analyzing trace with hash 59179147, now seen corresponding path program 2 times [2023-05-04 10:45:46,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:45:46,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382135155] [2023-05-04 10:45:46,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:45:46,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:45:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:45:46,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:45:46,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:45:46,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382135155] [2023-05-04 10:45:46,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382135155] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:45:46,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856021817] [2023-05-04 10:45:46,296 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 10:45:46,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:45:46,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:45:46,330 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 10:45:46,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 10:45:46,423 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-05-04 10:45:46,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 10:45:46,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 2 conjunts are in the unsatisfiable core [2023-05-04 10:45:46,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:45:46,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 10:45:46,467 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 10:45:46,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856021817] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 10:45:46,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 10:45:46,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-05-04 10:45:46,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722247759] [2023-05-04 10:45:46,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:45:46,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 10:45:46,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:45:46,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 10:45:46,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-05-04 10:45:46,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:46,470 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:45:46,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) 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) [2023-05-04 10:45:46,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:46,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:45:46,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 10:45:46,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:45:46,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:46,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:46,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:45:46,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 10:45:46,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:45:46,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:45:46,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 10:45:46,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:45:46,769 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 10:45:46,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:45:46,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1066697645, now seen corresponding path program 1 times [2023-05-04 10:45:46,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:45:46,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890207047] [2023-05-04 10:45:46,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:45:46,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:45:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:45:46,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:45:46,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:45:46,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890207047] [2023-05-04 10:45:46,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890207047] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:45:46,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141270442] [2023-05-04 10:45:46,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:45:46,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:45:46,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:45:46,914 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 10:45:46,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 10:45:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:45:47,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 10:45:47,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:45:47,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:45:47,090 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:45:47,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:45:47,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141270442] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:45:47,179 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:45:47,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2023-05-04 10:45:47,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272336182] [2023-05-04 10:45:47,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:45:47,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 10:45:47,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:45:47,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 10:45:47,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 10:45:47,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:47,181 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:45:47,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 10:45:47,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:47,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 10:45:47,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 10:45:47,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:45:47,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:45:47,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:47,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:47,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:45:47,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 10:45:47,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:45:47,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:45:47,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 10:45:47,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-05-04 10:45:47,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 10:45:47,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:45:47,693 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2023-05-04 10:45:47,695 INFO L307 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/3) [2023-05-04 10:45:47,698 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 10:45:47,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 10:45:47,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:45:47,699 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 10:45:47,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2023-05-04 10:45:47,702 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 10:45:47,703 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 10:45:47,704 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;@2e181905, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 10:45:47,704 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-05-04 10:45:47,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2023-05-04 10:45:47,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-05-04 10:45:47,744 INFO L444 BasicCegarLoop]: Path program histogram: [] [2023-05-04 10:45:47,745 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/3) [2023-05-04 10:45:47,746 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 10:45:47,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 10:45:47,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:45:47,769 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 10:45:47,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2023-05-04 10:45:47,774 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 10:45:47,775 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr2Thread1of1ForFork1 ======== [2023-05-04 10:45:47,775 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;@2e181905, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 10:45:47,775 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-04 10:45:47,830 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 10:45:47,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:45:47,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1171824669, now seen corresponding path program 1 times [2023-05-04 10:45:47,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:45:47,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315309514] [2023-05-04 10:45:47,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:45:47,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:45:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:45:47,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:45:47,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:45:47,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315309514] [2023-05-04 10:45:47,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315309514] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 10:45:47,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 10:45:47,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 10:45:47,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149057421] [2023-05-04 10:45:47,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:45:47,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 10:45:47,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:45:47,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 10:45:47,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 10:45:47,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:47,853 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:45:47,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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) [2023-05-04 10:45:47,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:47,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:47,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-05-04 10:45:47,858 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 10:45:47,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:45:47,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1171854460, now seen corresponding path program 1 times [2023-05-04 10:45:47,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:45:47,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902380867] [2023-05-04 10:45:47,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:45:47,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:45:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:45:47,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:45:47,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:45:47,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902380867] [2023-05-04 10:45:47,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902380867] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 10:45:47,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 10:45:47,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 10:45:47,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865707500] [2023-05-04 10:45:47,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:45:47,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 10:45:47,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:45:47,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 10:45:47,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 10:45:47,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:47,932 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:45:47,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2023-05-04 10:45:47,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:47,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:47,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:47,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:45:47,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-04 10:45:47,995 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 10:45:47,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:45:47,996 INFO L85 PathProgramCache]: Analyzing trace with hash 773850238, now seen corresponding path program 1 times [2023-05-04 10:45:47,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:45:47,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941653652] [2023-05-04 10:45:47,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:45:47,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:45:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:45:48,086 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-04 10:45:48,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:45:48,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941653652] [2023-05-04 10:45:48,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941653652] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 10:45:48,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 10:45:48,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 10:45:48,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265062524] [2023-05-04 10:45:48,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:45:48,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 10:45:48,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:45:48,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 10:45:48,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 10:45:48,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:48,091 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:45:48,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2023-05-04 10:45:48,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:48,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:45:48,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:48,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:48,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:45:48,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 10:45:48,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-05-04 10:45:48,124 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 10:45:48,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:45:48,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1782757667, now seen corresponding path program 1 times [2023-05-04 10:45:48,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:45:48,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225351182] [2023-05-04 10:45:48,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:45:48,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:45:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:45:48,189 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 10:45:48,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:45:48,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225351182] [2023-05-04 10:45:48,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225351182] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 10:45:48,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 10:45:48,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 10:45:48,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008634718] [2023-05-04 10:45:48,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:45:48,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 10:45:48,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:45:48,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 10:45:48,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 10:45:48,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:48,194 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:45:48,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2023-05-04 10:45:48,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:48,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:45:48,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 10:45:48,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:48,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:48,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:45:48,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 10:45:48,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:45:48,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-05-04 10:45:48,382 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 10:45:48,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:45:48,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1772248124, now seen corresponding path program 1 times [2023-05-04 10:45:48,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:45:48,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913685333] [2023-05-04 10:45:48,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:45:48,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:45:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:45:48,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:45:48,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:45:48,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913685333] [2023-05-04 10:45:48,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913685333] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:45:48,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309794078] [2023-05-04 10:45:48,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:45:48,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:45:48,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:45:48,469 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 10:45:48,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 10:45:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:45:48,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 10:45:48,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:45:48,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:45:48,627 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:45:48,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:45:48,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309794078] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:45:48,671 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:45:48,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2023-05-04 10:45:48,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630980342] [2023-05-04 10:45:48,671 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:45:48,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 10:45:48,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:45:48,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 10:45:48,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 10:45:48,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:48,672 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:45:48,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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) [2023-05-04 10:45:48,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:48,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:45:48,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 10:45:48,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:45:48,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:48,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:45:48,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:45:48,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 10:45:48,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:45:48,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 10:45:48,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-05-04 10:45:48,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 10:45:49,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:45:49,082 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-05-04 10:45:49,082 INFO L307 ceAbstractionStarter]: Result for error location thr2Thread1of1ForFork1 was SAFE (3/3) [2023-05-04 10:45:49,083 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 10:45:49,083 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 10:45:49,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 10:45:49 BasicIcfg [2023-05-04 10:45:49,086 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 10:45:49,087 INFO L158 Benchmark]: Toolchain (without parser) took 5513.63ms. Allocated memory was 190.8MB in the beginning and 237.0MB in the end (delta: 46.1MB). Free memory was 134.3MB in the beginning and 146.8MB in the end (delta: -12.5MB). Peak memory consumption was 33.8MB. Max. memory is 8.0GB. [2023-05-04 10:45:49,087 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 190.8MB. Free memory is still 152.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 10:45:49,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.89ms. Allocated memory is still 190.8MB. Free memory was 134.1MB in the beginning and 155.2MB in the end (delta: -21.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-05-04 10:45:49,088 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.71ms. Allocated memory is still 190.8MB. Free memory was 155.2MB in the beginning and 153.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 10:45:49,088 INFO L158 Benchmark]: Boogie Preprocessor took 35.52ms. Allocated memory is still 190.8MB. Free memory was 153.2MB in the beginning and 151.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 10:45:49,088 INFO L158 Benchmark]: RCFGBuilder took 362.57ms. Allocated memory is still 190.8MB. Free memory was 151.6MB in the beginning and 138.6MB in the end (delta: 13.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-05-04 10:45:49,088 INFO L158 Benchmark]: TraceAbstraction took 4583.31ms. Allocated memory was 190.8MB in the beginning and 237.0MB in the end (delta: 46.1MB). Free memory was 137.5MB in the beginning and 146.8MB in the end (delta: -9.4MB). Peak memory consumption was 37.0MB. Max. memory is 8.0GB. [2023-05-04 10:45:49,089 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 190.8MB. Free memory is still 152.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 476.89ms. Allocated memory is still 190.8MB. Free memory was 134.1MB in the beginning and 155.2MB in the end (delta: -21.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.71ms. Allocated memory is still 190.8MB. Free memory was 155.2MB in the beginning and 153.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.52ms. Allocated memory is still 190.8MB. Free memory was 153.2MB in the beginning and 151.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 362.57ms. Allocated memory is still 190.8MB. Free memory was 151.6MB in the beginning and 138.6MB in the end (delta: 13.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 4583.31ms. Allocated memory was 190.8MB in the beginning and 237.0MB in the end (delta: 46.1MB). Free memory was 137.5MB in the beginning and 146.8MB in the end (delta: -9.4MB). Peak memory consumption was 37.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15787, independent: 13317, independent conditional: 12022, independent unconditional: 1295, dependent: 2470, dependent conditional: 2438, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13480, independent: 13317, independent conditional: 12022, independent unconditional: 1295, dependent: 163, dependent conditional: 131, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 13480, independent: 13317, independent conditional: 12022, independent unconditional: 1295, dependent: 163, dependent conditional: 131, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13811, independent: 13317, independent conditional: 0, independent unconditional: 13317, dependent: 494, dependent conditional: 331, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13811, independent: 13317, independent conditional: 0, independent unconditional: 13317, dependent: 494, dependent conditional: 53, dependent unconditional: 441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13811, independent: 13317, independent conditional: 0, independent unconditional: 13317, dependent: 494, dependent conditional: 53, dependent unconditional: 441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1266, independent: 1225, independent conditional: 0, independent unconditional: 1225, dependent: 41, dependent conditional: 9, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1266, independent: 1221, independent conditional: 0, independent unconditional: 1221, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 45, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 41, dependent conditional: 9, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 41, dependent conditional: 9, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, independent: 60, independent conditional: 0, independent unconditional: 60, dependent: 110, dependent conditional: 16, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 13811, independent: 12092, independent conditional: 0, independent unconditional: 12092, dependent: 453, dependent conditional: 44, dependent unconditional: 409, unknown: 1266, unknown conditional: 9, unknown unconditional: 1257] , Statistics on independence cache: Total cache size (in pairs): 1266, Positive cache size: 1225, Positive conditional cache size: 0, Positive unconditional cache size: 1225, Negative cache size: 41, Negative conditional cache size: 9, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 278, Maximal queried relation: 4, Independence queries for same thread: 2307 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 667, Number of trivial persistent sets: 605, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1327, independent: 1295, independent conditional: 0, independent unconditional: 1295, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15787, independent: 13317, independent conditional: 12022, independent unconditional: 1295, dependent: 2470, dependent conditional: 2438, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13480, independent: 13317, independent conditional: 12022, independent unconditional: 1295, dependent: 163, dependent conditional: 131, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 13480, independent: 13317, independent conditional: 12022, independent unconditional: 1295, dependent: 163, dependent conditional: 131, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13811, independent: 13317, independent conditional: 0, independent unconditional: 13317, dependent: 494, dependent conditional: 331, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13811, independent: 13317, independent conditional: 0, independent unconditional: 13317, dependent: 494, dependent conditional: 53, dependent unconditional: 441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13811, independent: 13317, independent conditional: 0, independent unconditional: 13317, dependent: 494, dependent conditional: 53, dependent unconditional: 441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1266, independent: 1225, independent conditional: 0, independent unconditional: 1225, dependent: 41, dependent conditional: 9, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1266, independent: 1221, independent conditional: 0, independent unconditional: 1221, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 45, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 41, dependent conditional: 9, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 41, dependent conditional: 9, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, independent: 60, independent conditional: 0, independent unconditional: 60, dependent: 110, dependent conditional: 16, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 13811, independent: 12092, independent conditional: 0, independent unconditional: 12092, dependent: 453, dependent conditional: 44, dependent unconditional: 409, unknown: 1266, unknown conditional: 9, unknown unconditional: 1257] , Statistics on independence cache: Total cache size (in pairs): 1266, Positive cache size: 1225, Positive conditional cache size: 0, Positive unconditional cache size: 1225, Negative cache size: 41, Negative conditional cache size: 9, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 278, Maximal queried relation: 4, Independence queries for same thread: 2307 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 515, independent: 505, independent conditional: 42, independent unconditional: 463, dependent: 10, dependent conditional: 5, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 510, independent: 505, independent conditional: 42, independent unconditional: 463, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 510, independent: 505, independent conditional: 42, independent unconditional: 463, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 510, independent: 505, independent conditional: 0, independent unconditional: 505, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 510, independent: 505, independent conditional: 0, independent unconditional: 505, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 510, independent: 505, independent conditional: 0, independent unconditional: 505, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 468, independent: 463, independent conditional: 0, independent unconditional: 463, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 468, independent: 462, independent conditional: 0, independent unconditional: 462, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 25, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 510, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 468, unknown conditional: 0, unknown unconditional: 468] , Statistics on independence cache: Total cache size (in pairs): 468, Positive cache size: 463, Positive conditional cache size: 0, Positive unconditional cache size: 463, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 5 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 58, Number of trivial persistent sets: 52, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 468, independent: 463, independent conditional: 0, independent unconditional: 463, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 515, independent: 505, independent conditional: 42, independent unconditional: 463, dependent: 10, dependent conditional: 5, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 510, independent: 505, independent conditional: 42, independent unconditional: 463, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 510, independent: 505, independent conditional: 42, independent unconditional: 463, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 510, independent: 505, independent conditional: 0, independent unconditional: 505, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 510, independent: 505, independent conditional: 0, independent unconditional: 505, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 510, independent: 505, independent conditional: 0, independent unconditional: 505, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 468, independent: 463, independent conditional: 0, independent unconditional: 463, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 468, independent: 462, independent conditional: 0, independent unconditional: 462, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 25, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 510, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 468, unknown conditional: 0, unknown unconditional: 468] , Statistics on independence cache: Total cache size (in pairs): 468, Positive cache size: 463, Positive conditional cache size: 0, Positive unconditional cache size: 463, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 5 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17415, independent: 12707, independent conditional: 11379, independent unconditional: 1328, dependent: 4708, dependent conditional: 4675, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12874, independent: 12707, independent conditional: 11379, independent unconditional: 1328, dependent: 167, dependent conditional: 134, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12874, independent: 12707, independent conditional: 11379, independent unconditional: 1328, dependent: 167, dependent conditional: 134, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13131, independent: 12707, independent conditional: 0, independent unconditional: 12707, dependent: 424, dependent conditional: 257, dependent unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13131, independent: 12707, independent conditional: 0, independent unconditional: 12707, dependent: 424, dependent conditional: 89, dependent unconditional: 335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13131, independent: 12707, independent conditional: 0, independent unconditional: 12707, dependent: 424, dependent conditional: 89, dependent unconditional: 335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1304, independent: 1263, independent conditional: 0, independent unconditional: 1263, dependent: 41, dependent conditional: 8, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1304, independent: 1260, independent conditional: 0, independent unconditional: 1260, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 44, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 41, dependent conditional: 8, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 41, dependent conditional: 8, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 82, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 56, dependent conditional: 11, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 13131, independent: 11444, independent conditional: 0, independent unconditional: 11444, dependent: 383, dependent conditional: 81, dependent unconditional: 302, unknown: 1304, unknown conditional: 8, unknown unconditional: 1296] , Statistics on independence cache: Total cache size (in pairs): 1304, Positive cache size: 1263, Positive conditional cache size: 0, Positive unconditional cache size: 1263, Negative cache size: 41, Negative conditional cache size: 8, Negative unconditional cache size: 33, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 168, Maximal queried relation: 3, Independence queries for same thread: 4541 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 748, Number of trivial persistent sets: 526, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1361, independent: 1328, independent conditional: 0, independent unconditional: 1328, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17415, independent: 12707, independent conditional: 11379, independent unconditional: 1328, dependent: 4708, dependent conditional: 4675, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12874, independent: 12707, independent conditional: 11379, independent unconditional: 1328, dependent: 167, dependent conditional: 134, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12874, independent: 12707, independent conditional: 11379, independent unconditional: 1328, dependent: 167, dependent conditional: 134, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13131, independent: 12707, independent conditional: 0, independent unconditional: 12707, dependent: 424, dependent conditional: 257, dependent unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13131, independent: 12707, independent conditional: 0, independent unconditional: 12707, dependent: 424, dependent conditional: 89, dependent unconditional: 335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13131, independent: 12707, independent conditional: 0, independent unconditional: 12707, dependent: 424, dependent conditional: 89, dependent unconditional: 335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1304, independent: 1263, independent conditional: 0, independent unconditional: 1263, dependent: 41, dependent conditional: 8, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1304, independent: 1260, independent conditional: 0, independent unconditional: 1260, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 44, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 41, dependent conditional: 8, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 41, dependent conditional: 8, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 82, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 56, dependent conditional: 11, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 13131, independent: 11444, independent conditional: 0, independent unconditional: 11444, dependent: 383, dependent conditional: 81, dependent unconditional: 302, unknown: 1304, unknown conditional: 8, unknown unconditional: 1296] , Statistics on independence cache: Total cache size (in pairs): 1304, Positive cache size: 1263, Positive conditional cache size: 0, Positive unconditional cache size: 1263, Negative cache size: 41, Negative conditional cache size: 8, Negative unconditional cache size: 33, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 168, Maximal queried relation: 3, Independence queries for same thread: 4541 - PositiveResult [Line: 725]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 753]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 111 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 31, 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 423 NumberOfCodeBlocks, 420 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 468 ConstructedInterpolants, 0 QuantifiedInterpolants, 888 SizeOfPredicates, 2 NumberOfNonLiveVariables, 278 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 15/19 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 111 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr2Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 111 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 27, 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, 0.4s InterpolantComputationTime, 308 NumberOfCodeBlocks, 308 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 351 ConstructedInterpolants, 0 QuantifiedInterpolants, 711 SizeOfPredicates, 2 NumberOfNonLiveVariables, 138 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 22/25 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-05-04 10:45:49,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Forceful destruction successful, exit code 0 [2023-05-04 10:45:49,326 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Ended with exit code 0 [2023-05-04 10:45:49,526 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 [2023-05-04 10:45:49,726 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...