./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-local/read_write_lock-1.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-local/read_write_lock-1.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-14 00:45:10,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 00:45:10,310 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-14 00:45:10,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 00:45:10,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 00:45:10,328 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 00:45:10,328 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 00:45:10,329 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 00:45:10,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 00:45:10,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 00:45:10,330 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 00:45:10,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 00:45:10,330 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 00:45:10,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 00:45:10,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 00:45:10,335 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 00:45:10,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 00:45:10,336 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 00:45:10,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 00:45:10,336 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 00:45:10,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 00:45:10,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 00:45:10,337 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 00:45:10,337 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 00:45:10,338 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 00:45:10,338 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 00:45:10,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 00:45:10,338 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 00:45:10,338 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 00:45:10,339 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 00:45:10,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 00:45:10,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 00:45:10,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 00:45:10,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 00:45:10,340 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 00:45:10,340 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 00:45:10,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 00:45:10,344 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 00:45:10,344 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 00:45:10,345 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 00:45:10,345 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 00:45:10,345 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 00:45:10,345 INFO L153 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-14 00:45:10,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 00:45:10,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 00:45:10,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 00:45:10,610 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 00:45:10,610 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 00:45:10,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-local/read_write_lock-1.yml/witness.yml [2024-08-14 00:45:10,746 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 00:45:10,746 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 00:45:10,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2024-08-14 00:45:12,177 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 00:45:12,381 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 00:45:12,382 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2024-08-14 00:45:12,396 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d4fc17773/1aa9d502f2ff4a2889bea81dd998e477/FLAG16e8e9726 [2024-08-14 00:45:12,741 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d4fc17773/1aa9d502f2ff4a2889bea81dd998e477 [2024-08-14 00:45:12,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 00:45:12,743 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 00:45:12,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 00:45:12,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 00:45:12,751 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 00:45:12,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 12:45:10" (1/2) ... [2024-08-14 00:45:12,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338a638e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:45:12, skipping insertion in model container [2024-08-14 00:45:12,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 12:45:10" (1/2) ... [2024-08-14 00:45:12,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@640ef5e0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 12:45:12, skipping insertion in model container [2024-08-14 00:45:12,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 12:45:12" (2/2) ... [2024-08-14 00:45:12,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338a638e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:45:12, skipping insertion in model container [2024-08-14 00:45:12,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 12:45:12" (2/2) ... [2024-08-14 00:45:12,755 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-14 00:45:12,786 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 00:45:12,788 INFO L97 edCorrectnessWitness]: Location invariant before [L737-L737] (w == 0 || w == 1) && (y == 0 || y == 3) [2024-08-14 00:45:12,789 INFO L97 edCorrectnessWitness]: Location invariant before [L720-L720] (w == 0 || w == 1) && (y == 0 || y == 3) [2024-08-14 00:45:12,789 INFO L97 edCorrectnessWitness]: Location invariant before [L734-L734] (w == 0 || w == 1) && (y == 0 || y == 3) [2024-08-14 00:45:12,789 INFO L97 edCorrectnessWitness]: Location invariant before [L728-L728] (w == 0 || w == 1) && (y == 0 || y == 3) [2024-08-14 00:45:12,789 INFO L97 edCorrectnessWitness]: Location invariant before [L731-L731] (w == 0 || w == 1) && (y == 0 || y == 3) [2024-08-14 00:45:12,832 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 00:45:13,161 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 00:45:13,168 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-14 00:45:13,227 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 00:45:13,259 INFO L206 MainTranslator]: Completed translation [2024-08-14 00:45:13,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:45:13 WrapperNode [2024-08-14 00:45:13,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 00:45:13,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-14 00:45:13,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-14 00:45:13,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-14 00:45:13,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:45:13" (1/1) ... [2024-08-14 00:45:13,289 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:45:13" (1/1) ... [2024-08-14 00:45:13,320 INFO L138 Inliner]: procedures = 173, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 96 [2024-08-14 00:45:13,320 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-14 00:45:13,321 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 00:45:13,321 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 00:45:13,321 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 00:45:13,328 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:45:13" (1/1) ... [2024-08-14 00:45:13,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:45:13" (1/1) ... [2024-08-14 00:45:13,330 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:45:13" (1/1) ... [2024-08-14 00:45:13,331 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:45:13" (1/1) ... [2024-08-14 00:45:13,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:45:13" (1/1) ... [2024-08-14 00:45:13,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:45:13" (1/1) ... [2024-08-14 00:45:13,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:45:13" (1/1) ... [2024-08-14 00:45:13,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:45:13" (1/1) ... [2024-08-14 00:45:13,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 00:45:13,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-14 00:45:13,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-14 00:45:13,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-14 00:45:13,345 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:45:13" (1/1) ... [2024-08-14 00:45:13,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 00:45:13,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:45:13,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-14 00:45:13,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-14 00:45:13,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-14 00:45:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 00:45:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2024-08-14 00:45:13,405 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2024-08-14 00:45:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-14 00:45:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-14 00:45:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 00:45:13,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 00:45:13,405 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-08-14 00:45:13,405 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-08-14 00:45:13,406 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-14 00:45:13,498 INFO L244 CfgBuilder]: Building ICFG [2024-08-14 00:45:13,500 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 00:45:13,634 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-14 00:45:13,634 INFO L293 CfgBuilder]: Performing block encoding [2024-08-14 00:45:13,709 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 00:45:13,709 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 00:45:13,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 12:45:13 BoogieIcfgContainer [2024-08-14 00:45:13,710 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-14 00:45:13,712 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 00:45:13,712 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 00:45:13,715 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 00:45:13,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 12:45:10" (1/4) ... [2024-08-14 00:45:13,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5768b3c7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 12:45:13, skipping insertion in model container [2024-08-14 00:45:13,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 12:45:12" (2/4) ... [2024-08-14 00:45:13,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5768b3c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 12:45:13, skipping insertion in model container [2024-08-14 00:45:13,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:45:13" (3/4) ... [2024-08-14 00:45:13,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5768b3c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 12:45:13, skipping insertion in model container [2024-08-14 00:45:13,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 12:45:13" (4/4) ... [2024-08-14 00:45:13,717 INFO L112 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2024-08-14 00:45:13,733 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 00:45:13,734 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-08-14 00:45:13,734 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-14 00:45:13,791 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-08-14 00:45:13,827 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 00:45:13,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 00:45:13,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:45:13,830 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-14 00:45:13,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-14 00:45:13,877 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 00:45:13,889 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == readerThread1of1ForFork0 ======== [2024-08-14 00:45:13,894 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@38f67ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 00:45:13,894 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-14 00:45:14,098 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-14 00:45:14,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:14,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1495658866, now seen corresponding path program 1 times [2024-08-14 00:45:14,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:14,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627231369] [2024-08-14 00:45:14,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:14,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:14,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:14,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:14,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627231369] [2024-08-14 00:45:14,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627231369] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:14,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:14,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 00:45:14,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415111179] [2024-08-14 00:45:14,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:14,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 00:45:14,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:14,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 00:45:14,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-14 00:45:14,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:14,479 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:14,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-08-14 00:45:14,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:14,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:14,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 00:45:14,560 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-14 00:45:14,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:14,560 INFO L85 PathProgramCache]: Analyzing trace with hash 971758249, now seen corresponding path program 1 times [2024-08-14 00:45:14,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:14,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438963852] [2024-08-14 00:45:14,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:14,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:14,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:14,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:14,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438963852] [2024-08-14 00:45:14,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438963852] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:14,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:14,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-14 00:45:14,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953388752] [2024-08-14 00:45:14,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:14,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 00:45:14,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:14,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 00:45:14,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-14 00:45:14,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:14,628 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:14,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-08-14 00:45:14,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:14,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:14,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:14,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:14,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-14 00:45:14,689 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-14 00:45:14,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:14,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1851782763, now seen corresponding path program 1 times [2024-08-14 00:45:14,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:14,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751740678] [2024-08-14 00:45:14,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:14,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:14,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:14,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:14,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751740678] [2024-08-14 00:45:14,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751740678] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:14,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:14,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-14 00:45:14,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159313011] [2024-08-14 00:45:14,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:14,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 00:45:14,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:14,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 00:45:14,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-08-14 00:45:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:14,803 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:14,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2024-08-14 00:45:14,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:14,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:14,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:14,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:14,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:14,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:14,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-14 00:45:14,999 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting readerErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-14 00:45:15,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:15,000 INFO L85 PathProgramCache]: Analyzing trace with hash 764430593, now seen corresponding path program 1 times [2024-08-14 00:45:15,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:15,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71451772] [2024-08-14 00:45:15,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:15,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:15,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:15,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:15,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71451772] [2024-08-14 00:45:15,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71451772] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:15,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:15,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-14 00:45:15,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378068953] [2024-08-14 00:45:15,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:15,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 00:45:15,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:15,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 00:45:15,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-08-14 00:45:15,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:15,104 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:15,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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) [2024-08-14 00:45:15,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:15,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:15,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:15,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:15,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:15,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:15,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:15,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:15,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-14 00:45:15,260 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting readerErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-14 00:45:15,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:15,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1677630636, now seen corresponding path program 1 times [2024-08-14 00:45:15,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:15,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333608699] [2024-08-14 00:45:15,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:15,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:15,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:15,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:15,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333608699] [2024-08-14 00:45:15,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333608699] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:15,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:15,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-14 00:45:15,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047586352] [2024-08-14 00:45:15,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:15,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 00:45:15,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:15,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 00:45:15,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-08-14 00:45:15,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:15,424 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:15,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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) [2024-08-14 00:45:15,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:15,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:15,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:15,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:15,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:15,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:15,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:15,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:15,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:15,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:15,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-08-14 00:45:15,731 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting readerErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-14 00:45:15,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:15,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1626587238, now seen corresponding path program 1 times [2024-08-14 00:45:15,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:15,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723768838] [2024-08-14 00:45:15,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:15,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:15,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:15,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:15,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723768838] [2024-08-14 00:45:15,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723768838] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:15,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:15,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 00:45:15,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386875323] [2024-08-14 00:45:15,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:15,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 00:45:15,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:15,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 00:45:15,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-14 00:45:15,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:15,826 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:15,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-08-14 00:45:15,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:15,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:15,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:15,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:15,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:15,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:16,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:16,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:16,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:16,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:16,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:16,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:16,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-08-14 00:45:16,162 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-14 00:45:16,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:16,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1982068529, now seen corresponding path program 1 times [2024-08-14 00:45:16,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:16,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605480142] [2024-08-14 00:45:16,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:16,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:16,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:16,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:16,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605480142] [2024-08-14 00:45:16,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605480142] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:16,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:16,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 00:45:16,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319096822] [2024-08-14 00:45:16,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:16,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 00:45:16,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:16,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 00:45:16,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-14 00:45:16,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:16,259 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:16,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-08-14 00:45:16,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:16,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:16,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:16,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:16,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:16,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:16,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:16,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:16,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:16,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:16,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:16,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:16,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:16,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:16,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-08-14 00:45:16,702 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-14 00:45:16,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:16,704 INFO L85 PathProgramCache]: Analyzing trace with hash -852120883, now seen corresponding path program 1 times [2024-08-14 00:45:16,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:16,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110636020] [2024-08-14 00:45:16,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:16,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:16,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:16,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:16,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110636020] [2024-08-14 00:45:16,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110636020] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:16,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:16,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 00:45:16,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933545983] [2024-08-14 00:45:16,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:16,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 00:45:16,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:16,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 00:45:16,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-14 00:45:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:16,766 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:16,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-08-14 00:45:16,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:16,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:16,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:16,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:16,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:16,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:16,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:16,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:16,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:16,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:16,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:16,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:16,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:16,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:16,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:16,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:16,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-08-14 00:45:16,979 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting readerErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-14 00:45:16,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:16,979 INFO L85 PathProgramCache]: Analyzing trace with hash -62869352, now seen corresponding path program 1 times [2024-08-14 00:45:16,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:16,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601187264] [2024-08-14 00:45:16,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:16,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:17,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:17,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:17,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601187264] [2024-08-14 00:45:17,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601187264] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:17,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:17,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 00:45:17,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724135895] [2024-08-14 00:45:17,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:17,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 00:45:17,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:17,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 00:45:17,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-14 00:45:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:17,032 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:17,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-08-14 00:45:17,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:17,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:17,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:17,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:17,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:17,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:17,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:17,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:17,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:17,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:17,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:17,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:17,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:17,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:17,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:17,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:17,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:17,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:17,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-08-14 00:45:17,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-08-14 00:45:17,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 4 remaining) [2024-08-14 00:45:17,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 4 remaining) [2024-08-14 00:45:17,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-08-14 00:45:17,572 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 00:45:17,573 INFO L308 ceAbstractionStarter]: Result for error location readerThread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE (1/5) [2024-08-14 00:45:17,576 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 00:45:17,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 00:45:17,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:45:17,581 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-14 00:45:17,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-08-14 00:45:17,585 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 00:45:17,585 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == readerThread1of1ForFork3 ======== [2024-08-14 00:45:17,586 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@38f67ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 00:45:17,586 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-14 00:45:17,660 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-14 00:45:17,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:17,661 INFO L85 PathProgramCache]: Analyzing trace with hash 985103652, now seen corresponding path program 1 times [2024-08-14 00:45:17,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:17,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559195611] [2024-08-14 00:45:17,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:17,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:17,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:17,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:17,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559195611] [2024-08-14 00:45:17,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559195611] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:17,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:17,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 00:45:17,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689512065] [2024-08-14 00:45:17,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:17,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 00:45:17,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:17,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 00:45:17,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-14 00:45:17,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:17,693 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:17,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-08-14 00:45:17,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:17,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:17,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-08-14 00:45:17,733 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-14 00:45:17,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:17,733 INFO L85 PathProgramCache]: Analyzing trace with hash 199654330, now seen corresponding path program 1 times [2024-08-14 00:45:17,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:17,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566288895] [2024-08-14 00:45:17,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:17,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:17,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:17,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:17,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566288895] [2024-08-14 00:45:17,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566288895] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:17,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:17,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 00:45:17,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788745682] [2024-08-14 00:45:17,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:17,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 00:45:17,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:17,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 00:45:17,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-14 00:45:17,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:17,769 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:17,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-08-14 00:45:17,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:17,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:17,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:17,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:17,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-08-14 00:45:17,833 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-14 00:45:17,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:17,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1080241525, now seen corresponding path program 1 times [2024-08-14 00:45:17,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:17,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038557849] [2024-08-14 00:45:17,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:17,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:17,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:17,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:17,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038557849] [2024-08-14 00:45:17,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038557849] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:17,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:17,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 00:45:17,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386853889] [2024-08-14 00:45:17,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:17,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-14 00:45:17,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:17,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-14 00:45:17,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-14 00:45:17,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:17,863 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:17,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-08-14 00:45:17,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:17,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:17,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:17,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:17,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:17,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:17,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-08-14 00:45:17,905 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-14 00:45:17,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:17,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1017838468, now seen corresponding path program 1 times [2024-08-14 00:45:17,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:17,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582612222] [2024-08-14 00:45:17,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:17,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:17,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:17,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:17,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582612222] [2024-08-14 00:45:17,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582612222] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:17,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:17,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 00:45:17,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406560878] [2024-08-14 00:45:17,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:17,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 00:45:17,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:17,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 00:45:17,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 00:45:17,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:17,988 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:17,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-08-14 00:45:17,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:17,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:17,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:17,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:18,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:18,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:18,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:18,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:18,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-08-14 00:45:18,056 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-14 00:45:18,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:18,057 INFO L85 PathProgramCache]: Analyzing trace with hash -621201442, now seen corresponding path program 1 times [2024-08-14 00:45:18,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:18,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534770374] [2024-08-14 00:45:18,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:18,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:18,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:18,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:18,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534770374] [2024-08-14 00:45:18,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534770374] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:18,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:18,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-14 00:45:18,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678404197] [2024-08-14 00:45:18,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:18,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 00:45:18,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:18,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 00:45:18,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-08-14 00:45:18,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:18,128 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:18,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2024-08-14 00:45:18,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:18,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:18,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:18,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:18,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:18,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:18,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:18,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:18,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:18,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:18,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-08-14 00:45:18,267 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-14 00:45:18,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:18,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1493478529, now seen corresponding path program 1 times [2024-08-14 00:45:18,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:18,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138342411] [2024-08-14 00:45:18,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:18,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:18,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:18,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:18,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138342411] [2024-08-14 00:45:18,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138342411] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:18,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:18,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 00:45:18,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882538133] [2024-08-14 00:45:18,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:18,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 00:45:18,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:18,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 00:45:18,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-14 00:45:18,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:18,316 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:18,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-08-14 00:45:18,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:18,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:18,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:18,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:18,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:18,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:18,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:18,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:18,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:18,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:18,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:18,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:18,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-08-14 00:45:18,418 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-14 00:45:18,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:18,418 INFO L85 PathProgramCache]: Analyzing trace with hash -713780383, now seen corresponding path program 1 times [2024-08-14 00:45:18,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:18,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643425362] [2024-08-14 00:45:18,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:18,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:18,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:18,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:18,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643425362] [2024-08-14 00:45:18,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643425362] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:18,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:18,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-14 00:45:18,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148708568] [2024-08-14 00:45:18,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:18,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 00:45:18,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:18,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 00:45:18,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-08-14 00:45:18,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:18,486 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:18,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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) [2024-08-14 00:45:18,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:18,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:18,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:18,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:18,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:18,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:18,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:18,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:18,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:18,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:18,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:18,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:18,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:18,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:18,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-08-14 00:45:18,643 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-14 00:45:18,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:18,644 INFO L85 PathProgramCache]: Analyzing trace with hash 272205871, now seen corresponding path program 1 times [2024-08-14 00:45:18,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:18,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991673224] [2024-08-14 00:45:18,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:18,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:18,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:18,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:18,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991673224] [2024-08-14 00:45:18,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991673224] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:18,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:18,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 00:45:18,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715970802] [2024-08-14 00:45:18,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:18,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 00:45:18,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:18,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 00:45:18,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-08-14 00:45:18,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:18,699 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:18,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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) [2024-08-14 00:45:18,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:18,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:18,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:18,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:18,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:18,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:18,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:18,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:19,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:19,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:19,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:19,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:19,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:19,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:19,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:19,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:19,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-08-14 00:45:19,177 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-14 00:45:19,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:19,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1963813440, now seen corresponding path program 1 times [2024-08-14 00:45:19,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:19,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474604947] [2024-08-14 00:45:19,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:19,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:19,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:19,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:19,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474604947] [2024-08-14 00:45:19,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474604947] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:19,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:19,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 00:45:19,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592295245] [2024-08-14 00:45:19,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:19,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 00:45:19,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:19,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 00:45:19,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-14 00:45:19,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:19,216 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:19,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-08-14 00:45:19,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:19,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:19,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:19,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:19,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:19,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:19,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:19,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:19,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:19,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:19,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:19,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:19,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:19,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:19,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:19,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:19,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:19,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:19,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-08-14 00:45:19,483 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT, readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-08-14 00:45:19,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:19,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1077440677, now seen corresponding path program 1 times [2024-08-14 00:45:19,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:19,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451307178] [2024-08-14 00:45:19,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:19,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:19,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:19,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451307178] [2024-08-14 00:45:19,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451307178] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:19,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:19,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 00:45:19,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151808608] [2024-08-14 00:45:19,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:19,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 00:45:19,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:19,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 00:45:19,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-14 00:45:19,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:19,528 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:19,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-08-14 00:45:19,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:19,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:19,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:19,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:19,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:19,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:19,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:19,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:19,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:19,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:19,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:19,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:19,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:19,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:19,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:19,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:19,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:19,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:19,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-08-14 00:45:19,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-08-14 00:45:19,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 4 remaining) [2024-08-14 00:45:19,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 4 remaining) [2024-08-14 00:45:19,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-08-14 00:45:19,994 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 00:45:19,994 INFO L308 ceAbstractionStarter]: Result for error location readerThread1of1ForFork3 was SAFE,SAFE,SAFE,SAFE (2/5) [2024-08-14 00:45:20,000 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 00:45:20,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 00:45:20,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:45:20,003 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-14 00:45:20,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-08-14 00:45:20,010 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 00:45:20,011 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-14 00:45:20,011 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@38f67ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 00:45:20,011 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-14 00:45:20,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2024-08-14 00:45:20,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-08-14 00:45:20,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-08-14 00:45:20,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-08-14 00:45:20,363 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 00:45:20,364 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE (3/5) [2024-08-14 00:45:20,365 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 00:45:20,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 00:45:20,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:45:20,367 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-14 00:45:20,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2024-08-14 00:45:20,372 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 00:45:20,372 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == writerThread1of1ForFork2 ======== [2024-08-14 00:45:20,372 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@38f67ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 00:45:20,372 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 00:45:20,416 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:45:20,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:20,417 INFO L85 PathProgramCache]: Analyzing trace with hash -736526479, now seen corresponding path program 1 times [2024-08-14 00:45:20,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:20,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242696507] [2024-08-14 00:45:20,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:20,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:20,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:20,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:20,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242696507] [2024-08-14 00:45:20,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242696507] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:20,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:20,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-14 00:45:20,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850778691] [2024-08-14 00:45:20,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:20,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 00:45:20,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:20,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 00:45:20,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-14 00:45:20,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:20,433 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:20,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-08-14 00:45:20,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:20,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:20,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-08-14 00:45:20,545 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:45:20,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:20,546 INFO L85 PathProgramCache]: Analyzing trace with hash 200090923, now seen corresponding path program 1 times [2024-08-14 00:45:20,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:20,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830618981] [2024-08-14 00:45:20,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:20,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:20,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:20,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:20,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830618981] [2024-08-14 00:45:20,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830618981] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:20,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:20,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-14 00:45:20,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781845064] [2024-08-14 00:45:20,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:20,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-14 00:45:20,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:20,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-14 00:45:20,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-14 00:45:20,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:20,568 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:20,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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) [2024-08-14 00:45:20,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:20,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:20,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:20,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:20,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-08-14 00:45:20,676 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:45:20,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:20,676 INFO L85 PathProgramCache]: Analyzing trace with hash 2018723388, now seen corresponding path program 1 times [2024-08-14 00:45:20,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:20,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10770614] [2024-08-14 00:45:20,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:20,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:20,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:20,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:20,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10770614] [2024-08-14 00:45:20,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10770614] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:20,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:20,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 00:45:20,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653325813] [2024-08-14 00:45:20,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:20,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 00:45:20,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:20,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 00:45:20,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-14 00:45:20,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:20,716 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:20,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-08-14 00:45:20,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:20,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:20,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:20,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:20,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:20,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:20,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-08-14 00:45:20,797 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:45:20,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:20,797 INFO L85 PathProgramCache]: Analyzing trace with hash -2063656743, now seen corresponding path program 1 times [2024-08-14 00:45:20,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:20,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959361278] [2024-08-14 00:45:20,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:20,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:20,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:20,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:20,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959361278] [2024-08-14 00:45:20,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959361278] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:20,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:20,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 00:45:20,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495020491] [2024-08-14 00:45:20,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:20,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 00:45:20,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:20,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 00:45:20,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-08-14 00:45:20,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:20,835 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:20,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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) [2024-08-14 00:45:20,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:20,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:20,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:20,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:21,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:21,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:21,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:21,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-14 00:45:21,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-08-14 00:45:21,039 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:45:21,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:21,040 INFO L85 PathProgramCache]: Analyzing trace with hash 935518726, now seen corresponding path program 1 times [2024-08-14 00:45:21,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:21,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119797847] [2024-08-14 00:45:21,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:21,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:21,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:21,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:21,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119797847] [2024-08-14 00:45:21,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119797847] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:21,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:21,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-14 00:45:21,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034395178] [2024-08-14 00:45:21,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:21,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 00:45:21,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:21,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 00:45:21,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-08-14 00:45:21,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:21,181 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:21,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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) [2024-08-14 00:45:21,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:21,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:21,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:21,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-14 00:45:21,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:21,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:21,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:21,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:21,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-14 00:45:21,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:21,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-08-14 00:45:21,393 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:45:21,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:21,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1323621475, now seen corresponding path program 1 times [2024-08-14 00:45:21,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:21,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020126700] [2024-08-14 00:45:21,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:21,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:21,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:21,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:21,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020126700] [2024-08-14 00:45:21,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020126700] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:21,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:21,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-14 00:45:21,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267655457] [2024-08-14 00:45:21,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:21,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 00:45:21,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:21,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 00:45:21,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-08-14 00:45:21,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:21,518 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:21,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 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) [2024-08-14 00:45:21,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:21,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:21,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:21,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-14 00:45:21,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:21,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:21,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:21,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:21,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:21,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-14 00:45:21,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:21,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:21,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-08-14 00:45:21,887 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:45:21,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:21,887 INFO L85 PathProgramCache]: Analyzing trace with hash -458252481, now seen corresponding path program 1 times [2024-08-14 00:45:21,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:21,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962222511] [2024-08-14 00:45:21,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:21,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:22,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:22,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:22,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962222511] [2024-08-14 00:45:22,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962222511] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:22,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:22,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 00:45:22,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226576846] [2024-08-14 00:45:22,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:22,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 00:45:22,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:22,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 00:45:22,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-14 00:45:22,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:22,027 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:22,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-08-14 00:45:22,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:22,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:22,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:22,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-14 00:45:22,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:22,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:22,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:22,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:22,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:22,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:22,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-14 00:45:22,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:22,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:22,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:22,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-08-14 00:45:22,283 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:45:22,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:22,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1730090302, now seen corresponding path program 1 times [2024-08-14 00:45:22,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:22,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350459324] [2024-08-14 00:45:22,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:22,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:22,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:22,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:22,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350459324] [2024-08-14 00:45:22,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350459324] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:22,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:22,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-14 00:45:22,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904769836] [2024-08-14 00:45:22,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:22,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 00:45:22,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:22,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 00:45:22,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-08-14 00:45:22,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:22,424 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:22,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-08-14 00:45:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-14 00:45:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:22,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:22,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:22,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:22,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:22,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:22,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:22,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-14 00:45:22,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:22,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:22,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:22,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:45:22,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-08-14 00:45:22,890 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:45:22,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:22,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1018853114, now seen corresponding path program 2 times [2024-08-14 00:45:22,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:22,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474495102] [2024-08-14 00:45:22,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:22,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:22,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:22,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:22,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474495102] [2024-08-14 00:45:22,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474495102] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:22,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:22,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-14 00:45:22,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247833534] [2024-08-14 00:45:22,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:22,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 00:45:22,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:22,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 00:45:22,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-08-14 00:45:22,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:22,955 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:22,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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) [2024-08-14 00:45:22,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:22,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:22,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:22,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-14 00:45:22,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:22,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:22,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:22,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:45:22,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:24,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:24,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:24,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:24,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-14 00:45:24,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:24,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:24,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:24,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:45:24,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:24,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-08-14 00:45:24,096 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:45:24,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:24,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1519278965, now seen corresponding path program 1 times [2024-08-14 00:45:24,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:24,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558639315] [2024-08-14 00:45:24,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:24,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:24,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:24,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:24,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558639315] [2024-08-14 00:45:24,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558639315] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:24,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:24,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-14 00:45:24,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950162864] [2024-08-14 00:45:24,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:24,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 00:45:24,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:24,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 00:45:24,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-08-14 00:45:24,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:24,157 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:24,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 00:45:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-14 00:45:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:24,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:24,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:45:24,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:24,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:24,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:24,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:24,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:24,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-14 00:45:24,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:24,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:24,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:24,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:45:24,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:24,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 00:45:24,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-08-14 00:45:24,802 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:45:24,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:24,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1568014498, now seen corresponding path program 2 times [2024-08-14 00:45:24,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:24,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085728827] [2024-08-14 00:45:24,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:24,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:24,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:24,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:24,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085728827] [2024-08-14 00:45:24,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085728827] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:24,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:24,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 00:45:24,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084267162] [2024-08-14 00:45:24,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:24,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 00:45:24,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:24,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 00:45:24,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 00:45:24,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:24,834 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:24,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-08-14 00:45:24,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:24,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:24,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:24,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-14 00:45:24,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:24,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:24,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:24,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:45:24,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:24,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 00:45:24,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:25,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:25,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:25,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:25,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:45:25,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:25,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:25,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:25,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:45:25,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:25,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 00:45:25,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:25,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-08-14 00:45:25,178 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:45:25,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:25,178 INFO L85 PathProgramCache]: Analyzing trace with hash -725256300, now seen corresponding path program 1 times [2024-08-14 00:45:25,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:25,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570480109] [2024-08-14 00:45:25,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:25,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:25,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:25,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:25,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570480109] [2024-08-14 00:45:25,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570480109] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:25,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:25,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-14 00:45:25,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366211177] [2024-08-14 00:45:25,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:25,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 00:45:25,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:25,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 00:45:25,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-08-14 00:45:25,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:25,236 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:25,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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) [2024-08-14 00:45:25,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:25,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:25,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:25,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:45:25,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:25,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:25,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:25,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:45:25,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:25,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 00:45:25,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:25,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:25,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:25,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:25,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:25,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:45:25,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:25,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:25,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:25,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:45:25,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:25,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 00:45:25,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:25,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:25,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-08-14 00:45:25,487 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:45:25,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:25,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1926988401, now seen corresponding path program 2 times [2024-08-14 00:45:25,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:25,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404639151] [2024-08-14 00:45:25,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:25,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:25,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:25,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:25,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404639151] [2024-08-14 00:45:25,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404639151] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:25,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:25,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-14 00:45:25,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542027287] [2024-08-14 00:45:25,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:25,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 00:45:25,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:25,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 00:45:25,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-08-14 00:45:25,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:25,543 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:25,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 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) [2024-08-14 00:45:25,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:25,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:25,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:25,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 00:45:25,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:25,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:25,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:25,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:45:25,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:25,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 00:45:25,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:25,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:25,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:26,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 00:45:26,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:26,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:45:26,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:26,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:26,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:26,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 00:45:26,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:26,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 00:45:26,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:26,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 00:45:26,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 1 remaining) [2024-08-14 00:45:26,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-08-14 00:45:26,067 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 00:45:26,067 INFO L308 ceAbstractionStarter]: Result for error location writerThread1of1ForFork2 was SAFE (4/5) [2024-08-14 00:45:26,069 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 00:45:26,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 00:45:26,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 00:45:26,072 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-14 00:45:26,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2024-08-14 00:45:26,076 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 00:45:26,076 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == writerThread1of1ForFork1 ======== [2024-08-14 00:45:26,077 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@38f67ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 00:45:26,077 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 00:45:26,151 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:45:26,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:26,152 INFO L85 PathProgramCache]: Analyzing trace with hash -338089032, now seen corresponding path program 1 times [2024-08-14 00:45:26,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:26,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772276423] [2024-08-14 00:45:26,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:26,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:26,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:26,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:26,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772276423] [2024-08-14 00:45:26,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772276423] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:26,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:26,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 00:45:26,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667035303] [2024-08-14 00:45:26,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:26,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 00:45:26,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:26,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 00:45:26,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-14 00:45:26,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:26,175 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:26,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-08-14 00:45:26,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:26,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-08-14 00:45:26,236 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:45:26,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:26,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1205414897, now seen corresponding path program 1 times [2024-08-14 00:45:26,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:26,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400686732] [2024-08-14 00:45:26,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:26,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:26,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:26,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:26,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400686732] [2024-08-14 00:45:26,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400686732] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:26,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:26,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 00:45:26,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536068015] [2024-08-14 00:45:26,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:26,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 00:45:26,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:26,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 00:45:26,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-14 00:45:26,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:26,264 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:26,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-08-14 00:45:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:26,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-08-14 00:45:26,313 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:45:26,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:26,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1167076879, now seen corresponding path program 1 times [2024-08-14 00:45:26,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:26,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37224544] [2024-08-14 00:45:26,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:26,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:26,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:26,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:26,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37224544] [2024-08-14 00:45:26,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37224544] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:26,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:26,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 00:45:26,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128602989] [2024-08-14 00:45:26,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:26,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 00:45:26,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:26,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 00:45:26,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 00:45:26,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:26,342 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:26,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-08-14 00:45:26,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:26,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-08-14 00:45:26,426 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:45:26,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:26,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1226435660, now seen corresponding path program 1 times [2024-08-14 00:45:26,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:26,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770989771] [2024-08-14 00:45:26,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:26,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:26,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:26,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:26,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770989771] [2024-08-14 00:45:26,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770989771] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:26,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:26,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 00:45:26,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47341795] [2024-08-14 00:45:26,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:26,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 00:45:26,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:26,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 00:45:26,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 00:45:26,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:26,460 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:26,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2024-08-14 00:45:26,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:26,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:26,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-08-14 00:45:26,543 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:45:26,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:26,543 INFO L85 PathProgramCache]: Analyzing trace with hash 816996148, now seen corresponding path program 1 times [2024-08-14 00:45:26,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:26,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408546065] [2024-08-14 00:45:26,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:26,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:26,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:26,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:26,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408546065] [2024-08-14 00:45:26,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408546065] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:26,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:26,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 00:45:26,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121200649] [2024-08-14 00:45:26,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:26,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 00:45:26,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:26,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 00:45:26,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-14 00:45:26,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:26,579 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:26,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-08-14 00:45:26,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:26,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:26,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:26,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-08-14 00:45:26,671 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:45:26,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:26,671 INFO L85 PathProgramCache]: Analyzing trace with hash 257903820, now seen corresponding path program 1 times [2024-08-14 00:45:26,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:26,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91623437] [2024-08-14 00:45:26,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:26,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:26,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:26,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:26,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91623437] [2024-08-14 00:45:26,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91623437] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:26,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:26,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 00:45:26,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300958348] [2024-08-14 00:45:26,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:26,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 00:45:26,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:26,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 00:45:26,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-08-14 00:45:26,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:26,754 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:26,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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) [2024-08-14 00:45:26,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:26,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:26,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:26,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:26,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:26,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-08-14 00:45:26,993 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 00:45:26,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 00:45:26,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1129672756, now seen corresponding path program 2 times [2024-08-14 00:45:26,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 00:45:26,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578719674] [2024-08-14 00:45:26,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 00:45:26,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 00:45:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 00:45:27,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 00:45:27,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 00:45:27,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578719674] [2024-08-14 00:45:27,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578719674] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 00:45:27,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 00:45:27,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 00:45:27,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196457830] [2024-08-14 00:45:27,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 00:45:27,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 00:45:27,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 00:45:27,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 00:45:27,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-14 00:45:27,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:27,102 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 00:45:27,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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) [2024-08-14 00:45:27,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:27,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:27,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:27,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:27,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:27,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:27,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 00:45:27,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:27,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:27,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:27,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:27,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 00:45:27,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:27,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 00:45:27,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 1 remaining) [2024-08-14 00:45:27,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-08-14 00:45:27,603 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2024-08-14 00:45:27,603 INFO L308 ceAbstractionStarter]: Result for error location writerThread1of1ForFork1 was SAFE (5/5) [2024-08-14 00:45:27,603 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-14 00:45:27,603 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 00:45:27,606 INFO L507 ceAbstractionStarter]: Automizer considered 5 witness invariants [2024-08-14 00:45:27,606 INFO L508 ceAbstractionStarter]: WitnessConsidered=5 [2024-08-14 00:45:27,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 12:45:27 BasicIcfg [2024-08-14 00:45:27,607 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 00:45:27,607 INFO L158 Benchmark]: Toolchain (without parser) took 14865.01ms. Allocated memory was 155.2MB in the beginning and 515.9MB in the end (delta: 360.7MB). Free memory was 79.4MB in the beginning and 281.0MB in the end (delta: -201.6MB). Peak memory consumption was 161.1MB. Max. memory is 16.1GB. [2024-08-14 00:45:27,607 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 155.2MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 00:45:27,608 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 155.2MB. Free memory is still 125.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 00:45:27,608 INFO L158 Benchmark]: CACSL2BoogieTranslator took 515.95ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 79.2MB in the beginning and 181.8MB in the end (delta: -102.7MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-08-14 00:45:27,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.29ms. Allocated memory is still 224.4MB. Free memory was 181.8MB in the beginning and 179.7MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-14 00:45:27,608 INFO L158 Benchmark]: Boogie Preprocessor took 22.76ms. Allocated memory is still 224.4MB. Free memory was 179.7MB in the beginning and 178.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 00:45:27,608 INFO L158 Benchmark]: RCFGBuilder took 365.50ms. Allocated memory is still 224.4MB. Free memory was 177.7MB in the beginning and 153.5MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-08-14 00:45:27,609 INFO L158 Benchmark]: TraceAbstraction took 13895.36ms. Allocated memory was 224.4MB in the beginning and 515.9MB in the end (delta: 291.5MB). Free memory was 152.5MB in the beginning and 281.0MB in the end (delta: -128.5MB). Peak memory consumption was 164.0MB. Max. memory is 16.1GB. [2024-08-14 00:45:27,610 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 155.2MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 155.2MB. Free memory is still 125.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 515.95ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 79.2MB in the beginning and 181.8MB in the end (delta: -102.7MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.29ms. Allocated memory is still 224.4MB. Free memory was 181.8MB in the beginning and 179.7MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.76ms. Allocated memory is still 224.4MB. Free memory was 179.7MB in the beginning and 178.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 365.50ms. Allocated memory is still 224.4MB. Free memory was 177.7MB in the beginning and 153.5MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 13895.36ms. Allocated memory was 224.4MB in the beginning and 515.9MB in the end (delta: 291.5MB). Free memory was 152.5MB in the beginning and 281.0MB in the end (delta: -128.5MB). Peak memory consumption was 164.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19572, independent: 18156, independent conditional: 16398, independent unconditional: 1758, dependent: 1416, dependent conditional: 1356, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18385, independent: 18156, independent conditional: 16398, independent unconditional: 1758, dependent: 229, dependent conditional: 169, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18385, independent: 18156, independent conditional: 16398, independent unconditional: 1758, dependent: 229, dependent conditional: 169, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20101, independent: 18156, independent conditional: 353, independent unconditional: 17803, dependent: 1945, dependent conditional: 1363, dependent unconditional: 582, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20101, independent: 18156, independent conditional: 353, independent unconditional: 17803, dependent: 1945, dependent conditional: 904, dependent unconditional: 1041, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20101, independent: 18156, independent conditional: 353, independent unconditional: 17803, dependent: 1945, dependent conditional: 904, dependent unconditional: 1041, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1926, independent: 1782, independent conditional: 22, independent unconditional: 1760, dependent: 144, dependent conditional: 82, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1926, independent: 1623, independent conditional: 0, independent unconditional: 1623, dependent: 303, dependent conditional: 0, dependent unconditional: 303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 303, independent: 159, independent conditional: 22, independent unconditional: 137, dependent: 144, dependent conditional: 82, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 303, independent: 159, independent conditional: 22, independent unconditional: 137, dependent: 144, dependent conditional: 82, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 584, independent: 307, independent conditional: 61, independent unconditional: 246, dependent: 278, dependent conditional: 166, dependent unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 20101, independent: 16374, independent conditional: 331, independent unconditional: 16043, dependent: 1801, dependent conditional: 822, dependent unconditional: 979, unknown: 1926, unknown conditional: 104, unknown unconditional: 1822] , Statistics on independence cache: Total cache size (in pairs): 1926, Positive cache size: 1782, Positive conditional cache size: 22, Positive unconditional cache size: 1760, Negative cache size: 144, Negative conditional cache size: 82, Negative unconditional cache size: 62, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 459, Maximal queried relation: 7, Independence queries for same thread: 1187 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 1008, Number of trivial persistent sets: 242, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1818, independent: 1758, independent conditional: 0, independent unconditional: 1758, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19572, independent: 18156, independent conditional: 16398, independent unconditional: 1758, dependent: 1416, dependent conditional: 1356, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18385, independent: 18156, independent conditional: 16398, independent unconditional: 1758, dependent: 229, dependent conditional: 169, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18385, independent: 18156, independent conditional: 16398, independent unconditional: 1758, dependent: 229, dependent conditional: 169, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20101, independent: 18156, independent conditional: 353, independent unconditional: 17803, dependent: 1945, dependent conditional: 1363, dependent unconditional: 582, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20101, independent: 18156, independent conditional: 353, independent unconditional: 17803, dependent: 1945, dependent conditional: 904, dependent unconditional: 1041, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20101, independent: 18156, independent conditional: 353, independent unconditional: 17803, dependent: 1945, dependent conditional: 904, dependent unconditional: 1041, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1926, independent: 1782, independent conditional: 22, independent unconditional: 1760, dependent: 144, dependent conditional: 82, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1926, independent: 1623, independent conditional: 0, independent unconditional: 1623, dependent: 303, dependent conditional: 0, dependent unconditional: 303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 303, independent: 159, independent conditional: 22, independent unconditional: 137, dependent: 144, dependent conditional: 82, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 303, independent: 159, independent conditional: 22, independent unconditional: 137, dependent: 144, dependent conditional: 82, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 584, independent: 307, independent conditional: 61, independent unconditional: 246, dependent: 278, dependent conditional: 166, dependent unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 20101, independent: 16374, independent conditional: 331, independent unconditional: 16043, dependent: 1801, dependent conditional: 822, dependent unconditional: 979, unknown: 1926, unknown conditional: 104, unknown unconditional: 1822] , Statistics on independence cache: Total cache size (in pairs): 1926, Positive cache size: 1782, Positive conditional cache size: 22, Positive unconditional cache size: 1760, Negative cache size: 144, Negative conditional cache size: 82, Negative unconditional cache size: 62, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 459, Maximal queried relation: 7, Independence queries for same thread: 1187 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29380, independent: 27234, independent conditional: 25430, independent unconditional: 1804, dependent: 2146, dependent conditional: 2086, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27458, independent: 27234, independent conditional: 25430, independent unconditional: 1804, dependent: 224, dependent conditional: 164, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 27458, independent: 27234, independent conditional: 25430, independent unconditional: 1804, dependent: 224, dependent conditional: 164, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28934, independent: 27234, independent conditional: 321, independent unconditional: 26913, dependent: 1700, dependent conditional: 1155, dependent unconditional: 545, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 28934, independent: 27234, independent conditional: 321, independent unconditional: 26913, dependent: 1700, dependent conditional: 813, dependent unconditional: 887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 28934, independent: 27234, independent conditional: 321, independent unconditional: 26913, dependent: 1700, dependent conditional: 813, dependent unconditional: 887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1968, independent: 1825, independent conditional: 19, independent unconditional: 1806, dependent: 143, dependent conditional: 81, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1968, independent: 1671, independent conditional: 0, independent unconditional: 1671, dependent: 297, dependent conditional: 0, dependent unconditional: 297, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 297, independent: 154, independent conditional: 19, independent unconditional: 135, dependent: 143, dependent conditional: 81, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 297, independent: 154, independent conditional: 19, independent unconditional: 135, dependent: 143, dependent conditional: 81, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 309, independent: 160, independent conditional: 21, independent unconditional: 139, dependent: 149, dependent conditional: 86, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 28934, independent: 25409, independent conditional: 302, independent unconditional: 25107, dependent: 1557, dependent conditional: 732, dependent unconditional: 825, unknown: 1968, unknown conditional: 100, unknown unconditional: 1868] , Statistics on independence cache: Total cache size (in pairs): 1968, Positive cache size: 1825, Positive conditional cache size: 19, Positive unconditional cache size: 1806, Negative cache size: 143, Negative conditional cache size: 81, Negative unconditional cache size: 62, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 342, Maximal queried relation: 7, Independence queries for same thread: 1922 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 1818, Number of trivial persistent sets: 635, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1864, independent: 1804, independent conditional: 0, independent unconditional: 1804, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29380, independent: 27234, independent conditional: 25430, independent unconditional: 1804, dependent: 2146, dependent conditional: 2086, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27458, independent: 27234, independent conditional: 25430, independent unconditional: 1804, dependent: 224, dependent conditional: 164, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 27458, independent: 27234, independent conditional: 25430, independent unconditional: 1804, dependent: 224, dependent conditional: 164, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28934, independent: 27234, independent conditional: 321, independent unconditional: 26913, dependent: 1700, dependent conditional: 1155, dependent unconditional: 545, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 28934, independent: 27234, independent conditional: 321, independent unconditional: 26913, dependent: 1700, dependent conditional: 813, dependent unconditional: 887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 28934, independent: 27234, independent conditional: 321, independent unconditional: 26913, dependent: 1700, dependent conditional: 813, dependent unconditional: 887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1968, independent: 1825, independent conditional: 19, independent unconditional: 1806, dependent: 143, dependent conditional: 81, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1968, independent: 1671, independent conditional: 0, independent unconditional: 1671, dependent: 297, dependent conditional: 0, dependent unconditional: 297, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 297, independent: 154, independent conditional: 19, independent unconditional: 135, dependent: 143, dependent conditional: 81, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 297, independent: 154, independent conditional: 19, independent unconditional: 135, dependent: 143, dependent conditional: 81, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 309, independent: 160, independent conditional: 21, independent unconditional: 139, dependent: 149, dependent conditional: 86, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 28934, independent: 25409, independent conditional: 302, independent unconditional: 25107, dependent: 1557, dependent conditional: 732, dependent unconditional: 825, unknown: 1968, unknown conditional: 100, unknown unconditional: 1868] , Statistics on independence cache: Total cache size (in pairs): 1968, Positive cache size: 1825, Positive conditional cache size: 19, Positive unconditional cache size: 1806, Negative cache size: 143, Negative conditional cache size: 81, Negative unconditional cache size: 62, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 342, Maximal queried relation: 7, Independence queries for same thread: 1922 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8383, independent: 7688, independent conditional: 6228, independent unconditional: 1460, dependent: 695, dependent conditional: 655, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7861, independent: 7688, independent conditional: 6228, independent unconditional: 1460, dependent: 173, dependent conditional: 133, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7861, independent: 7688, independent conditional: 6228, independent unconditional: 1460, dependent: 173, dependent conditional: 133, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7861, independent: 7688, independent conditional: 0, independent unconditional: 7688, dependent: 173, dependent conditional: 0, dependent unconditional: 173, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7861, independent: 7688, independent conditional: 0, independent unconditional: 7688, dependent: 173, dependent conditional: 0, dependent unconditional: 173, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7861, independent: 7688, independent conditional: 0, independent unconditional: 7688, dependent: 173, dependent conditional: 0, dependent unconditional: 173, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1502, independent: 1462, independent conditional: 0, independent unconditional: 1462, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1502, independent: 1364, independent conditional: 0, independent unconditional: 1364, dependent: 138, dependent conditional: 0, dependent unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 138, independent: 98, independent conditional: 0, independent unconditional: 98, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 138, independent: 98, independent conditional: 0, independent unconditional: 98, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 153, independent: 109, independent conditional: 0, independent unconditional: 109, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7861, independent: 6226, independent conditional: 0, independent unconditional: 6226, dependent: 133, dependent conditional: 0, dependent unconditional: 133, unknown: 1502, unknown conditional: 0, unknown unconditional: 1502] , Statistics on independence cache: Total cache size (in pairs): 1502, Positive cache size: 1462, Positive conditional cache size: 0, Positive unconditional cache size: 1462, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40, 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: 522 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 1584, Number of trivial persistent sets: 1584, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1500, independent: 1460, independent conditional: 0, independent unconditional: 1460, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8383, independent: 7688, independent conditional: 6228, independent unconditional: 1460, dependent: 695, dependent conditional: 655, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7861, independent: 7688, independent conditional: 6228, independent unconditional: 1460, dependent: 173, dependent conditional: 133, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7861, independent: 7688, independent conditional: 6228, independent unconditional: 1460, dependent: 173, dependent conditional: 133, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7861, independent: 7688, independent conditional: 0, independent unconditional: 7688, dependent: 173, dependent conditional: 0, dependent unconditional: 173, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7861, independent: 7688, independent conditional: 0, independent unconditional: 7688, dependent: 173, dependent conditional: 0, dependent unconditional: 173, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7861, independent: 7688, independent conditional: 0, independent unconditional: 7688, dependent: 173, dependent conditional: 0, dependent unconditional: 173, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1502, independent: 1462, independent conditional: 0, independent unconditional: 1462, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1502, independent: 1364, independent conditional: 0, independent unconditional: 1364, dependent: 138, dependent conditional: 0, dependent unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 138, independent: 98, independent conditional: 0, independent unconditional: 98, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 138, independent: 98, independent conditional: 0, independent unconditional: 98, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 153, independent: 109, independent conditional: 0, independent unconditional: 109, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7861, independent: 6226, independent conditional: 0, independent unconditional: 6226, dependent: 133, dependent conditional: 0, dependent unconditional: 133, unknown: 1502, unknown conditional: 0, unknown unconditional: 1502] , Statistics on independence cache: Total cache size (in pairs): 1502, Positive cache size: 1462, Positive conditional cache size: 0, Positive unconditional cache size: 1462, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40, 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: 522 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 89567, independent: 85321, independent conditional: 83433, independent unconditional: 1888, dependent: 4246, dependent conditional: 4182, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 86806, independent: 85321, independent conditional: 83433, independent unconditional: 1888, dependent: 1485, dependent conditional: 1421, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 86806, independent: 85321, independent conditional: 83433, independent unconditional: 1888, dependent: 1485, dependent conditional: 1421, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 95195, independent: 85321, independent conditional: 931, independent unconditional: 84390, dependent: 9874, dependent conditional: 7458, dependent unconditional: 2416, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 95195, independent: 85321, independent conditional: 931, independent unconditional: 84390, dependent: 9874, dependent conditional: 4167, dependent unconditional: 5707, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 95195, independent: 85321, independent conditional: 931, independent unconditional: 84390, dependent: 9874, dependent conditional: 4167, dependent unconditional: 5707, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2258, independent: 1970, independent conditional: 80, independent unconditional: 1890, dependent: 288, dependent conditional: 222, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2258, independent: 1726, independent conditional: 0, independent unconditional: 1726, dependent: 532, dependent conditional: 0, dependent unconditional: 532, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 532, independent: 244, independent conditional: 80, independent unconditional: 164, dependent: 288, dependent conditional: 222, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 532, independent: 244, independent conditional: 80, independent unconditional: 164, dependent: 288, dependent conditional: 222, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 694, independent: 296, independent conditional: 110, independent unconditional: 186, dependent: 398, dependent conditional: 311, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 95195, independent: 83351, independent conditional: 851, independent unconditional: 82500, dependent: 9586, dependent conditional: 3945, dependent unconditional: 5641, unknown: 2258, unknown conditional: 302, unknown unconditional: 1956] , Statistics on independence cache: Total cache size (in pairs): 2258, Positive cache size: 1970, Positive conditional cache size: 80, Positive unconditional cache size: 1890, Negative cache size: 288, Negative conditional cache size: 222, Negative unconditional cache size: 66, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3291, Maximal queried relation: 9, Independence queries for same thread: 2761 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 2040, Number of trivial persistent sets: 367, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1952, independent: 1888, independent conditional: 0, independent unconditional: 1888, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 89567, independent: 85321, independent conditional: 83433, independent unconditional: 1888, dependent: 4246, dependent conditional: 4182, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 86806, independent: 85321, independent conditional: 83433, independent unconditional: 1888, dependent: 1485, dependent conditional: 1421, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 86806, independent: 85321, independent conditional: 83433, independent unconditional: 1888, dependent: 1485, dependent conditional: 1421, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 95195, independent: 85321, independent conditional: 931, independent unconditional: 84390, dependent: 9874, dependent conditional: 7458, dependent unconditional: 2416, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 95195, independent: 85321, independent conditional: 931, independent unconditional: 84390, dependent: 9874, dependent conditional: 4167, dependent unconditional: 5707, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 95195, independent: 85321, independent conditional: 931, independent unconditional: 84390, dependent: 9874, dependent conditional: 4167, dependent unconditional: 5707, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2258, independent: 1970, independent conditional: 80, independent unconditional: 1890, dependent: 288, dependent conditional: 222, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2258, independent: 1726, independent conditional: 0, independent unconditional: 1726, dependent: 532, dependent conditional: 0, dependent unconditional: 532, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 532, independent: 244, independent conditional: 80, independent unconditional: 164, dependent: 288, dependent conditional: 222, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 532, independent: 244, independent conditional: 80, independent unconditional: 164, dependent: 288, dependent conditional: 222, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 694, independent: 296, independent conditional: 110, independent unconditional: 186, dependent: 398, dependent conditional: 311, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 95195, independent: 83351, independent conditional: 851, independent unconditional: 82500, dependent: 9586, dependent conditional: 3945, dependent unconditional: 5641, unknown: 2258, unknown conditional: 302, unknown unconditional: 1956] , Statistics on independence cache: Total cache size (in pairs): 2258, Positive cache size: 1970, Positive conditional cache size: 80, Positive unconditional cache size: 1890, Negative cache size: 288, Negative conditional cache size: 222, Negative unconditional cache size: 66, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3291, Maximal queried relation: 9, Independence queries for same thread: 2761 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17213, independent: 16288, independent conditional: 14438, independent unconditional: 1850, dependent: 925, dependent conditional: 863, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16527, independent: 16288, independent conditional: 14438, independent unconditional: 1850, dependent: 239, dependent conditional: 177, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16527, independent: 16288, independent conditional: 14438, independent unconditional: 1850, dependent: 239, dependent conditional: 177, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17531, independent: 16288, independent conditional: 163, independent unconditional: 16125, dependent: 1243, dependent conditional: 841, dependent unconditional: 402, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17531, independent: 16288, independent conditional: 163, independent unconditional: 16125, dependent: 1243, dependent conditional: 468, dependent unconditional: 775, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17531, independent: 16288, independent conditional: 163, independent unconditional: 16125, dependent: 1243, dependent conditional: 468, dependent unconditional: 775, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1987, independent: 1865, independent conditional: 13, independent unconditional: 1852, dependent: 122, dependent conditional: 58, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1987, independent: 1711, independent conditional: 0, independent unconditional: 1711, dependent: 276, dependent conditional: 0, dependent unconditional: 276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 276, independent: 154, independent conditional: 13, independent unconditional: 141, dependent: 122, dependent conditional: 58, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 276, independent: 154, independent conditional: 13, independent unconditional: 141, dependent: 122, dependent conditional: 58, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 274, independent: 155, independent conditional: 13, independent unconditional: 141, dependent: 120, dependent conditional: 58, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 17531, independent: 14423, independent conditional: 150, independent unconditional: 14273, dependent: 1121, dependent conditional: 410, dependent unconditional: 711, unknown: 1987, unknown conditional: 71, unknown unconditional: 1916] , Statistics on independence cache: Total cache size (in pairs): 1987, Positive cache size: 1865, Positive conditional cache size: 13, Positive unconditional cache size: 1852, Negative cache size: 122, Negative conditional cache size: 58, Negative unconditional cache size: 64, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 373, Maximal queried relation: 7, Independence queries for same thread: 686 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 1776, Number of trivial persistent sets: 362, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1912, independent: 1850, independent conditional: 0, independent unconditional: 1850, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17213, independent: 16288, independent conditional: 14438, independent unconditional: 1850, dependent: 925, dependent conditional: 863, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16527, independent: 16288, independent conditional: 14438, independent unconditional: 1850, dependent: 239, dependent conditional: 177, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16527, independent: 16288, independent conditional: 14438, independent unconditional: 1850, dependent: 239, dependent conditional: 177, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17531, independent: 16288, independent conditional: 163, independent unconditional: 16125, dependent: 1243, dependent conditional: 841, dependent unconditional: 402, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17531, independent: 16288, independent conditional: 163, independent unconditional: 16125, dependent: 1243, dependent conditional: 468, dependent unconditional: 775, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17531, independent: 16288, independent conditional: 163, independent unconditional: 16125, dependent: 1243, dependent conditional: 468, dependent unconditional: 775, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1987, independent: 1865, independent conditional: 13, independent unconditional: 1852, dependent: 122, dependent conditional: 58, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1987, independent: 1711, independent conditional: 0, independent unconditional: 1711, dependent: 276, dependent conditional: 0, dependent unconditional: 276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 276, independent: 154, independent conditional: 13, independent unconditional: 141, dependent: 122, dependent conditional: 58, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 276, independent: 154, independent conditional: 13, independent unconditional: 141, dependent: 122, dependent conditional: 58, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 274, independent: 155, independent conditional: 13, independent unconditional: 141, dependent: 120, dependent conditional: 58, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 17531, independent: 14423, independent conditional: 150, independent unconditional: 14273, dependent: 1121, dependent conditional: 410, dependent unconditional: 711, unknown: 1987, unknown conditional: 71, unknown unconditional: 1916] , Statistics on independence cache: Total cache size (in pairs): 1987, Positive cache size: 1865, Positive conditional cache size: 13, Positive unconditional cache size: 1852, Negative cache size: 122, Negative conditional cache size: 58, Negative unconditional cache size: 64, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 373, Maximal queried relation: 7, Independence queries for same thread: 686 - PositiveResult [Line: 728]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 731]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 734]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 737]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 720]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: readerThread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 82 locations, 19 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.5s, 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: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 169 ConstructedInterpolants, 0 QuantifiedInterpolants, 657 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: readerThread1of1ForFork3 with 1 thread instances CFG has 7 procedures, 82 locations, 19 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.9s, 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: 49, 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, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 244 ConstructedInterpolants, 0 QuantifiedInterpolants, 848 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 82 locations, 19 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.4s, 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: writerThread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 82 locations, 19 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 4.7s, 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: 87, 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, 0.8s InterpolantComputationTime, 324 NumberOfCodeBlocks, 324 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 311 ConstructedInterpolants, 0 QuantifiedInterpolants, 907 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: writerThread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 82 locations, 19 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.2s, 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 179 NumberOfCodeBlocks, 179 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 172 ConstructedInterpolants, 0 QuantifiedInterpolants, 530 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-14 00:45:27,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Ended with exit code 0 [2024-08-14 00:45:27,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Forceful destruction successful, exit code 0 [2024-08-14 00:45:28,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2024-08-14 00:45:28,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2024-08-14 00:45:28,449 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-08-14 00:45:28,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE