./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-08_07-59-58.files/protection-local/popl20-more-buffer-mult2.wvr.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/weaver/popl20-more-buffer-mult2.wvr.c ./goblint.2024-08-08_07-59-58.files/protection-local/popl20-more-buffer-mult2.wvr.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 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-14 10:37:18,340 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 10:37:18,433 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-14 10:37:18,437 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 10:37:18,437 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 10:37:18,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 10:37:18,472 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 10:37:18,472 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 10:37:18,473 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 10:37:18,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 10:37:18,474 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 10:37:18,474 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 10:37:18,475 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 10:37:18,477 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 10:37:18,478 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 10:37:18,478 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 10:37:18,478 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 10:37:18,479 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 10:37:18,479 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 10:37:18,479 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 10:37:18,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 10:37:18,480 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 10:37:18,480 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 10:37:18,484 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 10:37:18,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 10:37:18,485 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 10:37:18,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 10:37:18,485 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 10:37:18,485 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 10:37:18,486 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 10:37:18,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 10:37:18,486 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 10:37:18,486 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 10:37:18,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 10:37:18,487 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 10:37:18,487 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 10:37:18,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 10:37:18,487 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 10:37:18,487 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 10:37:18,488 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 10:37:18,488 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 10:37:18,491 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 10:37:18,491 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-14 10:37:18,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 10:37:18,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 10:37:18,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 10:37:18,768 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 10:37:18,769 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 10:37:18,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-local/popl20-more-buffer-mult2.wvr.yml/witness.yml [2024-08-14 10:37:18,907 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 10:37:18,907 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 10:37:18,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c [2024-08-14 10:37:20,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 10:37:20,582 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 10:37:20,584 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c [2024-08-14 10:37:20,593 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/182d71c0e/43940b9ec8b1439eb8f8596a23967985/FLAG4bc2a5d76 [2024-08-14 10:37:20,945 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/182d71c0e/43940b9ec8b1439eb8f8596a23967985 [2024-08-14 10:37:20,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 10:37:20,947 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 10:37:20,949 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 10:37:20,949 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 10:37:20,954 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 10:37:20,955 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 10:37:18" (1/2) ... [2024-08-14 10:37:20,956 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@666f6f58 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 10:37:20, skipping insertion in model container [2024-08-14 10:37:20,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 10:37:18" (1/2) ... [2024-08-14 10:37:20,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a041def and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 10:37:20, skipping insertion in model container [2024-08-14 10:37:20,957 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:37:20" (2/2) ... [2024-08-14 10:37:20,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@666f6f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:20, skipping insertion in model container [2024-08-14 10:37:20,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:37:20" (2/2) ... [2024-08-14 10:37:20,958 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-14 10:37:20,984 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 10:37:20,985 INFO L97 edCorrectnessWitness]: Location invariant before [L105-L105] (0 <= i) && (0 <= j) [2024-08-14 10:37:20,985 INFO L97 edCorrectnessWitness]: Location invariant before [L72-L72] (0 <= i) && (0 <= j) [2024-08-14 10:37:20,985 INFO L97 edCorrectnessWitness]: Location invariant before [L109-L109] (0 <= i) && (0 <= j) [2024-08-14 10:37:20,985 INFO L97 edCorrectnessWitness]: Location invariant before [L53-L53] (0 <= i) && (0 <= j) [2024-08-14 10:37:20,985 INFO L97 edCorrectnessWitness]: Location invariant before [L114-L114] (0 <= i) && (0 <= j) [2024-08-14 10:37:20,985 INFO L97 edCorrectnessWitness]: Location invariant before [L87-L87] (0 <= i) && (0 <= j) [2024-08-14 10:37:20,986 INFO L97 edCorrectnessWitness]: Location invariant before [L49-L49] (0 <= i) && (0 <= j) [2024-08-14 10:37:20,986 INFO L97 edCorrectnessWitness]: Location invariant before [L68-L68] (0 <= i) && (0 <= j) [2024-08-14 10:37:20,986 INFO L97 edCorrectnessWitness]: Location invariant before [L78-L78] (0 <= i) && (0 <= j) [2024-08-14 10:37:20,986 INFO L97 edCorrectnessWitness]: Location invariant before [L96-L96] (0 <= i) && (0 <= j) [2024-08-14 10:37:20,986 INFO L97 edCorrectnessWitness]: Location invariant before [L91-L91] (0 <= i) && (0 <= j) [2024-08-14 10:37:20,986 INFO L97 edCorrectnessWitness]: Location invariant before [L59-L59] (0 <= i) && (0 <= j) [2024-08-14 10:37:21,020 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 10:37:21,319 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c[4151,4164] [2024-08-14 10:37:21,335 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 10:37:21,346 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-14 10:37:21,426 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c[4151,4164] [2024-08-14 10:37:21,436 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 10:37:21,459 INFO L206 MainTranslator]: Completed translation [2024-08-14 10:37:21,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:21 WrapperNode [2024-08-14 10:37:21,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 10:37:21,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-14 10:37:21,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-14 10:37:21,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-14 10:37:21,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:21" (1/1) ... [2024-08-14 10:37:21,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:21" (1/1) ... [2024-08-14 10:37:21,519 INFO L138 Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 304 [2024-08-14 10:37:21,519 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-14 10:37:21,520 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 10:37:21,520 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 10:37:21,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 10:37:21,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:21" (1/1) ... [2024-08-14 10:37:21,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:21" (1/1) ... [2024-08-14 10:37:21,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:21" (1/1) ... [2024-08-14 10:37:21,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:21" (1/1) ... [2024-08-14 10:37:21,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:21" (1/1) ... [2024-08-14 10:37:21,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:21" (1/1) ... [2024-08-14 10:37:21,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:21" (1/1) ... [2024-08-14 10:37:21,561 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:21" (1/1) ... [2024-08-14 10:37:21,565 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 10:37:21,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-14 10:37:21,567 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-14 10:37:21,567 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-14 10:37:21,568 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:21" (1/1) ... [2024-08-14 10:37:21,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 10:37:21,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:37:21,596 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 10:37:21,598 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 10:37:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 10:37:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-14 10:37:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-14 10:37:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-14 10:37:21,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-14 10:37:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-14 10:37:21,627 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-14 10:37:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-14 10:37:21,627 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-14 10:37:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-08-14 10:37:21,627 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-08-14 10:37:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-14 10:37:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-14 10:37:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-14 10:37:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-14 10:37:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 10:37:21,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 10:37:21,630 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 10:37:21,733 INFO L244 CfgBuilder]: Building ICFG [2024-08-14 10:37:21,735 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 10:37:22,190 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-14 10:37:22,190 INFO L293 CfgBuilder]: Performing block encoding [2024-08-14 10:37:22,602 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 10:37:22,603 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-08-14 10:37:22,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:37:22 BoogieIcfgContainer [2024-08-14 10:37:22,605 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-14 10:37:22,607 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 10:37:22,610 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 10:37:22,614 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 10:37:22,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 10:37:18" (1/4) ... [2024-08-14 10:37:22,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103ebd84 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 10:37:22, skipping insertion in model container [2024-08-14 10:37:22,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 10:37:20" (2/4) ... [2024-08-14 10:37:22,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103ebd84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 10:37:22, skipping insertion in model container [2024-08-14 10:37:22,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:37:21" (3/4) ... [2024-08-14 10:37:22,617 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103ebd84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 10:37:22, skipping insertion in model container [2024-08-14 10:37:22,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:37:22" (4/4) ... [2024-08-14 10:37:22,618 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult2.wvr.c [2024-08-14 10:37:22,641 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 10:37:22,642 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2024-08-14 10:37:22,642 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-14 10:37:22,719 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-08-14 10:37:22,762 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 10:37:22,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 10:37:22,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:37:22,765 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 10:37:22,766 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 10:37:22,805 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 10:37:22,821 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork3 ======== [2024-08-14 10:37:22,830 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;@7940f5a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 10:37:22,831 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-08-14 10:37:22,968 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 10:37:22,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:37:22,974 INFO L85 PathProgramCache]: Analyzing trace with hash -353927373, now seen corresponding path program 1 times [2024-08-14 10:37:22,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:37:22,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505597008] [2024-08-14 10:37:22,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:37:22,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:37:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:37:23,495 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 10:37:23,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:37:23,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505597008] [2024-08-14 10:37:23,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505597008] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 10:37:23,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 10:37:23,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-14 10:37:23,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472685582] [2024-08-14 10:37:23,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 10:37:23,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-14 10:37:23,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:37:23,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-14 10:37:23,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-14 10:37:23,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:23,538 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:37:23,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 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 10:37:23,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:23,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 10:37:23,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 10:37:23,824 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 10:37:23,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:37:23,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1427155988, now seen corresponding path program 1 times [2024-08-14 10:37:23,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:37:23,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525549063] [2024-08-14 10:37:23,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:37:23,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:37:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:37:24,043 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 10:37:24,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:37:24,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525549063] [2024-08-14 10:37:24,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525549063] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 10:37:24,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 10:37:24,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 10:37:24,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238060404] [2024-08-14 10:37:24,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 10:37:24,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 10:37:24,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:37:24,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 10:37:24,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 10:37:24,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:24,049 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:37:24,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 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 10:37:24,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 10:37:24,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:24,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 10:37:24,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:24,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-14 10:37:24,236 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread4Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 10:37:24,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:37:24,238 INFO L85 PathProgramCache]: Analyzing trace with hash 474593772, now seen corresponding path program 1 times [2024-08-14 10:37:24,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:37:24,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564748369] [2024-08-14 10:37:24,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:37:24,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:37:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:37:24,404 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 10:37:24,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:37:24,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564748369] [2024-08-14 10:37:24,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564748369] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 10:37:24,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 10:37:24,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 10:37:24,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154568882] [2024-08-14 10:37:24,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 10:37:24,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 10:37:24,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:37:24,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 10:37:24,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-14 10:37:24,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:24,411 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:37:24,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) 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 10:37:24,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 10:37:24,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:24,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:26,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 10:37:26,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:26,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:26,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 3 remaining) [2024-08-14 10:37:26,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 3 remaining) [2024-08-14 10:37:26,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 3 remaining) [2024-08-14 10:37:26,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-14 10:37:26,377 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-08-14 10:37:26,379 INFO L308 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork3 was SAFE,SAFE,SAFE (1/5) [2024-08-14 10:37:26,384 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 10:37:26,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 10:37:26,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:37:26,408 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 10:37:26,410 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 10:37:26,413 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 10:37:26,414 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork0 ======== [2024-08-14 10:37:26,415 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;@7940f5a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 10:37:26,415 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-08-14 10:37:26,476 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 10:37:26,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:37:26,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1339470495, now seen corresponding path program 1 times [2024-08-14 10:37:26,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:37:26,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673596448] [2024-08-14 10:37:26,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:37:26,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:37:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:37:26,552 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 10:37:26,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:37:26,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673596448] [2024-08-14 10:37:26,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673596448] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 10:37:26,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 10:37:26,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-14 10:37:26,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309753365] [2024-08-14 10:37:26,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 10:37:26,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-14 10:37:26,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:37:26,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-14 10:37:26,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-14 10:37:26,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:26,557 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:37:26,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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 10:37:26,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:26,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 10:37:26,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-14 10:37:26,727 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 10:37:26,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:37:26,727 INFO L85 PathProgramCache]: Analyzing trace with hash 2054922632, now seen corresponding path program 1 times [2024-08-14 10:37:26,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:37:26,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906683176] [2024-08-14 10:37:26,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:37:26,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:37:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:37:26,837 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 10:37:26,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:37:26,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906683176] [2024-08-14 10:37:26,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906683176] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 10:37:26,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 10:37:26,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 10:37:26,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583973540] [2024-08-14 10:37:26,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 10:37:26,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 10:37:26,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:37:26,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 10:37:26,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 10:37:26,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:26,840 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:37:26,840 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 10:37:26,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 10:37:26,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:26,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 10:37:26,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:26,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-08-14 10:37:26,928 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 10:37:26,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:37:26,929 INFO L85 PathProgramCache]: Analyzing trace with hash -721877112, now seen corresponding path program 1 times [2024-08-14 10:37:26,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:37:26,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076888172] [2024-08-14 10:37:26,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:37:26,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:37:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:37:27,018 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 10:37:27,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:37:27,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076888172] [2024-08-14 10:37:27,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076888172] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 10:37:27,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 10:37:27,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 10:37:27,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247133962] [2024-08-14 10:37:27,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 10:37:27,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 10:37:27,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:37:27,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 10:37:27,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-14 10:37:27,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:27,020 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:37:27,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 4 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 10:37:27,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 10:37:27,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:27,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:28,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 10:37:28,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:28,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:28,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 3 remaining) [2024-08-14 10:37:28,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 3 remaining) [2024-08-14 10:37:28,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 3 remaining) [2024-08-14 10:37:28,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-08-14 10:37:28,285 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-08-14 10:37:28,289 INFO L308 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork0 was SAFE,SAFE,SAFE (2/5) [2024-08-14 10:37:28,291 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 10:37:28,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 10:37:28,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:37:28,297 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 10:37:28,300 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 10:37:28,302 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 10:37:28,302 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-14 10:37:28,303 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;@7940f5a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 10:37:28,303 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-08-14 10:37:29,323 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-14 10:37:29,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:37:29,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1776182673, now seen corresponding path program 1 times [2024-08-14 10:37:29,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:37:29,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905180221] [2024-08-14 10:37:29,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:37:29,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:37:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:37:29,597 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-08-14 10:37:29,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:37:29,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905180221] [2024-08-14 10:37:29,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905180221] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 10:37:29,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 10:37:29,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 10:37:29,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992105709] [2024-08-14 10:37:29,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 10:37:29,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 10:37:29,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:37:29,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 10:37:29,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 10:37:29,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:29,600 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:37:29,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 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 10:37:29,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:30,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:30,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-08-14 10:37:30,040 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-14 10:37:30,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:37:30,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1951412333, now seen corresponding path program 1 times [2024-08-14 10:37:30,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:37:30,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762395376] [2024-08-14 10:37:30,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:37:30,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:37:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:37:30,362 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-08-14 10:37:30,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:37:30,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762395376] [2024-08-14 10:37:30,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762395376] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 10:37:30,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 10:37:30,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 10:37:30,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520233260] [2024-08-14 10:37:30,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 10:37:30,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 10:37:30,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:37:30,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 10:37:30,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 10:37:30,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:30,365 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:37:30,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 10:37:30,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:30,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:30,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:30,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:30,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-08-14 10:37:30,740 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-14 10:37:30,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:37:30,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1601619524, now seen corresponding path program 1 times [2024-08-14 10:37:30,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:37:30,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209254816] [2024-08-14 10:37:30,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:37:30,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:37:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:37:31,095 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-08-14 10:37:31,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:37:31,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209254816] [2024-08-14 10:37:31,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209254816] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 10:37:31,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568676738] [2024-08-14 10:37:31,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:37:31,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:37:31,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:37:31,098 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 10:37:31,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-14 10:37:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:37:31,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-14 10:37:31,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 10:37:31,460 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 34 proven. 1 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-08-14 10:37:31,464 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 10:37:31,630 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-08-14 10:37:31,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568676738] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 10:37:31,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 10:37:31,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-08-14 10:37:31,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048166735] [2024-08-14 10:37:31,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 10:37:31,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-08-14 10:37:31,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:37:31,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-08-14 10:37:31,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-08-14 10:37:31,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:31,636 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:37:31,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 states have internal predecessors, (84), 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 10:37:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:31,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:32,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:32,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:32,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:32,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-08-14 10:37:32,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:37:32,368 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-14 10:37:32,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:37:32,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1801369056, now seen corresponding path program 2 times [2024-08-14 10:37:32,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:37:32,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993729226] [2024-08-14 10:37:32,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:37:32,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:37:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:37:32,698 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 23 proven. 29 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-08-14 10:37:32,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:37:32,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993729226] [2024-08-14 10:37:32,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993729226] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 10:37:32,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945346345] [2024-08-14 10:37:32,701 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 10:37:32,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:37:32,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:37:32,704 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 10:37:32,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-08-14 10:37:32,859 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-14 10:37:32,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 10:37:32,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-14 10:37:32,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 10:37:32,978 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-08-14 10:37:32,979 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 10:37:33,108 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-08-14 10:37:33,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945346345] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 10:37:33,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 10:37:33,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-08-14 10:37:33,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550783656] [2024-08-14 10:37:33,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 10:37:33,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-08-14 10:37:33,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:37:33,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-08-14 10:37:33,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-08-14 10:37:33,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:33,111 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:37:33,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 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 10:37:33,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:33,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:33,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:33,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:33,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:33,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:33,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:33,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:33,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-08-14 10:37:33,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-08-14 10:37:33,741 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-14 10:37:33,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:37:33,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1229513457, now seen corresponding path program 3 times [2024-08-14 10:37:33,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:37:33,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651217412] [2024-08-14 10:37:33,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:37:33,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:37:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:37:34,183 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 56 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-08-14 10:37:34,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:37:34,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651217412] [2024-08-14 10:37:34,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651217412] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 10:37:34,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578486381] [2024-08-14 10:37:34,185 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-14 10:37:34,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:37:34,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:37:34,187 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 10:37:34,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-08-14 10:37:34,343 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-08-14 10:37:34,344 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 10:37:34,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 10 conjunts are in the unsatisfiable core [2024-08-14 10:37:34,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 10:37:34,626 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 61 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-08-14 10:37:34,627 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 10:37:34,869 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 23 proven. 41 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-08-14 10:37:34,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578486381] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 10:37:34,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 10:37:34,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 19 [2024-08-14 10:37:34,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358170610] [2024-08-14 10:37:34,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 10:37:34,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-08-14 10:37:34,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:37:34,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-08-14 10:37:34,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2024-08-14 10:37:34,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:34,874 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:37:34,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.315789473684211) internal successors, (120), 19 states have internal predecessors, (120), 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 10:37:34,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:34,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:34,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:34,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:34,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:35,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:35,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:35,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:35,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:35,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:37:35,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-08-14 10:37:35,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:37:35,623 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-14 10:37:35,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:37:35,623 INFO L85 PathProgramCache]: Analyzing trace with hash 697590848, now seen corresponding path program 4 times [2024-08-14 10:37:35,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:37:35,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056661478] [2024-08-14 10:37:35,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:37:35,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:37:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:37:36,052 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 56 proven. 16 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-08-14 10:37:36,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:37:36,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056661478] [2024-08-14 10:37:36,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056661478] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 10:37:36,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889593766] [2024-08-14 10:37:36,053 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-14 10:37:36,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:37:36,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:37:36,055 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 10:37:36,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-08-14 10:37:36,209 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-14 10:37:36,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 10:37:36,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 12 conjunts are in the unsatisfiable core [2024-08-14 10:37:36,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 10:37:36,499 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 66 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-08-14 10:37:36,500 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 10:37:36,776 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-08-14 10:37:36,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889593766] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 10:37:36,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 10:37:36,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 24 [2024-08-14 10:37:36,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28879605] [2024-08-14 10:37:36,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 10:37:36,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-08-14 10:37:36,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:37:36,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-08-14 10:37:36,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=412, Unknown=0, NotChecked=0, Total=552 [2024-08-14 10:37:36,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:36,782 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:37:36,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.75) internal successors, (138), 24 states have internal predecessors, (138), 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 10:37:36,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:36,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:36,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:36,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:36,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:37:36,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:37,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:37,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:37,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:37,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:37,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:37:37,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:37:37,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-08-14 10:37:37,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-08-14 10:37:37,368 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-14 10:37:37,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:37:37,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1387859153, now seen corresponding path program 5 times [2024-08-14 10:37:37,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:37:37,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359745409] [2024-08-14 10:37:37,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:37:37,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:37:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:37:37,704 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 46 proven. 18 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-08-14 10:37:37,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:37:37,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359745409] [2024-08-14 10:37:37,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359745409] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 10:37:37,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457120107] [2024-08-14 10:37:37,705 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-14 10:37:37,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:37:37,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:37:37,707 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 10:37:37,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-08-14 10:37:37,874 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-08-14 10:37:37,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 10:37:37,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-14 10:37:37,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 10:37:37,969 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 46 proven. 18 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-08-14 10:37:37,969 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 10:37:38,252 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 34 proven. 48 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-08-14 10:37:38,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457120107] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 10:37:38,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 10:37:38,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 8] total 11 [2024-08-14 10:37:38,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945304018] [2024-08-14 10:37:38,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 10:37:38,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-08-14 10:37:38,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:37:38,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-08-14 10:37:38,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-08-14 10:37:38,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:38,255 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:37:38,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.25) internal successors, (123), 11 states have internal predecessors, (123), 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 10:37:38,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:38,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:38,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:38,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:38,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:37:38,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:37:38,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:38,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:38,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:38,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:38,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:38,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:37:38,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:37:38,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:37:38,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-08-14 10:37:39,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:37:39,114 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-14 10:37:39,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:37:39,114 INFO L85 PathProgramCache]: Analyzing trace with hash -299097222, now seen corresponding path program 6 times [2024-08-14 10:37:39,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:37:39,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945051830] [2024-08-14 10:37:39,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:37:39,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:37:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:37:39,827 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 229 proven. 41 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-08-14 10:37:39,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:37:39,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945051830] [2024-08-14 10:37:39,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945051830] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 10:37:39,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410810951] [2024-08-14 10:37:39,828 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-14 10:37:39,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:37:39,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:37:39,829 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 10:37:39,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-08-14 10:37:39,997 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2024-08-14 10:37:39,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 10:37:40,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 9 conjunts are in the unsatisfiable core [2024-08-14 10:37:40,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 10:37:40,211 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 137 proven. 3 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-08-14 10:37:40,211 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 10:37:40,401 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 124 proven. 16 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-08-14 10:37:40,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410810951] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 10:37:40,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 10:37:40,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7, 7] total 24 [2024-08-14 10:37:40,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802209175] [2024-08-14 10:37:40,403 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 10:37:40,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-08-14 10:37:40,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:37:40,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-08-14 10:37:40,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=460, Unknown=0, NotChecked=0, Total=552 [2024-08-14 10:37:40,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:40,405 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:37:40,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.125) internal successors, (171), 24 states have internal predecessors, (171), 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 10:37:40,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:40,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:40,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:40,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:40,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:37:40,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:37:40,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:37:40,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:41,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:41,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:41,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:41,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:41,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:37:41,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:37:41,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:37:41,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:37:41,199 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-08-14 10:37:41,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-08-14 10:37:41,388 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-14 10:37:41,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:37:41,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1441115929, now seen corresponding path program 7 times [2024-08-14 10:37:41,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:37:41,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36548342] [2024-08-14 10:37:41,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:37:41,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:37:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:37:41,980 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 63 proven. 142 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-08-14 10:37:41,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:37:41,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36548342] [2024-08-14 10:37:41,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36548342] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 10:37:41,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124499430] [2024-08-14 10:37:41,981 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-14 10:37:41,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:37:41,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:37:41,983 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 10:37:41,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-08-14 10:37:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:37:42,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 12 conjunts are in the unsatisfiable core [2024-08-14 10:37:42,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 10:37:42,432 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 185 proven. 6 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-08-14 10:37:42,432 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 10:37:42,669 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 159 proven. 32 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-08-14 10:37:42,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124499430] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 10:37:42,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 10:37:42,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 24 [2024-08-14 10:37:42,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019591921] [2024-08-14 10:37:42,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 10:37:42,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-08-14 10:37:42,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:37:42,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-08-14 10:37:42,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=462, Unknown=0, NotChecked=0, Total=600 [2024-08-14 10:37:42,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:42,675 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:37:42,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 6.6) internal successors, (165), 24 states have internal predecessors, (165), 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 10:37:42,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:42,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:42,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:42,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:42,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:37:42,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:37:42,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:37:42,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:37:42,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:43,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:43,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:43,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:43,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:43,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:37:43,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:37:43,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:37:43,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:37:43,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:37:43,349 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-08-14 10:37:43,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-08-14 10:37:43,537 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-14 10:37:43,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:37:43,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1634099851, now seen corresponding path program 8 times [2024-08-14 10:37:43,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:37:43,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148752540] [2024-08-14 10:37:43,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:37:43,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:37:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:37:44,211 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 71 proven. 174 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-08-14 10:37:44,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:37:44,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148752540] [2024-08-14 10:37:44,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148752540] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 10:37:44,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155291382] [2024-08-14 10:37:44,212 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 10:37:44,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:37:44,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:37:44,214 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 10:37:44,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-08-14 10:37:44,405 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-14 10:37:44,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 10:37:44,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 14 conjunts are in the unsatisfiable core [2024-08-14 10:37:44,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 10:37:44,728 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 218 proven. 10 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-08-14 10:37:44,729 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 10:37:45,033 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 182 proven. 46 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-08-14 10:37:45,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155291382] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 10:37:45,033 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 10:37:45,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 30 [2024-08-14 10:37:45,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407751544] [2024-08-14 10:37:45,034 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 10:37:45,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-08-14 10:37:45,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:37:45,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-08-14 10:37:45,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=730, Unknown=0, NotChecked=0, Total=930 [2024-08-14 10:37:45,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:45,035 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:37:45,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 6.387096774193548) internal successors, (198), 30 states have internal predecessors, (198), 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 10:37:45,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:45,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:45,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:45,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:45,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:37:45,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:37:45,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:37:45,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:37:45,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:37:45,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:45,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:45,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:45,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:45,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:45,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:37:45,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:37:45,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:37:45,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:37:45,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:37:45,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 10:37:45,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-08-14 10:37:46,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:37:46,104 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-14 10:37:46,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:37:46,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1818458777, now seen corresponding path program 9 times [2024-08-14 10:37:46,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:37:46,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757562361] [2024-08-14 10:37:46,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:37:46,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:37:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:37:46,796 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 89 proven. 189 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-08-14 10:37:46,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:37:46,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757562361] [2024-08-14 10:37:46,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757562361] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 10:37:46,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567129029] [2024-08-14 10:37:46,796 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-14 10:37:46,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:37:46,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:37:46,798 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 10:37:46,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-08-14 10:37:47,017 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-08-14 10:37:47,017 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 10:37:47,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 12 conjunts are in the unsatisfiable core [2024-08-14 10:37:47,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 10:37:47,219 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 140 proven. 14 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-08-14 10:37:47,219 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 10:37:47,507 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 137 proven. 18 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-08-14 10:37:47,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567129029] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 10:37:47,507 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 10:37:47,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 10] total 29 [2024-08-14 10:37:47,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119527156] [2024-08-14 10:37:47,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 10:37:47,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-08-14 10:37:47,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:37:47,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-08-14 10:37:47,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=707, Unknown=0, NotChecked=0, Total=812 [2024-08-14 10:37:47,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:47,510 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:37:47,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 6.275862068965517) internal successors, (182), 29 states have internal predecessors, (182), 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 10:37:47,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:47,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:47,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:47,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:47,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:37:47,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:37:47,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:37:47,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:37:47,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:37:47,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 10:37:47,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:50,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:50,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:50,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:50,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:50,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:37:50,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:37:50,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:37:50,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:37:50,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:37:50,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 10:37:50,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-08-14 10:37:50,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-08-14 10:37:50,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-08-14 10:37:50,799 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-14 10:37:50,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:37:50,800 INFO L85 PathProgramCache]: Analyzing trace with hash -502069472, now seen corresponding path program 10 times [2024-08-14 10:37:50,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:37:50,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056556587] [2024-08-14 10:37:50,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:37:50,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:37:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:37:51,147 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-08-14 10:37:51,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:37:51,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056556587] [2024-08-14 10:37:51,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056556587] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 10:37:51,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 10:37:51,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-14 10:37:51,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697224092] [2024-08-14 10:37:51,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 10:37:51,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 10:37:51,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:37:51,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 10:37:51,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-14 10:37:51,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:51,149 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:37:51,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 10:37:51,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:51,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:51,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:51,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:51,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:37:51,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:37:51,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:37:51,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:37:51,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:37:51,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 10:37:51,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-08-14 10:37:51,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:52,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:37:52,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:37:52,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:37:52,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:37:52,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:37:52,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 10:37:52,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-08-14 10:37:52,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:52,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-08-14 10:37:52,394 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-14 10:37:52,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:37:52,394 INFO L85 PathProgramCache]: Analyzing trace with hash 475305106, now seen corresponding path program 11 times [2024-08-14 10:37:52,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:37:52,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270891997] [2024-08-14 10:37:52,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:37:52,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:37:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:37:52,748 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 53 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-08-14 10:37:52,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:37:52,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270891997] [2024-08-14 10:37:52,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270891997] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 10:37:52,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124119764] [2024-08-14 10:37:52,749 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-14 10:37:52,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:37:52,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:37:52,751 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 10:37:52,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-08-14 10:37:52,884 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-08-14 10:37:52,885 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 10:37:52,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 15 conjunts are in the unsatisfiable core [2024-08-14 10:37:52,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 10:37:53,023 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 64 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-08-14 10:37:53,023 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 10:37:53,114 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 59 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-08-14 10:37:53,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124119764] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 10:37:53,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 10:37:53,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 7] total 17 [2024-08-14 10:37:53,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825872864] [2024-08-14 10:37:53,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 10:37:53,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-08-14 10:37:53,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:37:53,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-08-14 10:37:53,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2024-08-14 10:37:53,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:53,116 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:37:53,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.0588235294117645) internal successors, (86), 17 states have internal predecessors, (86), 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 10:37:53,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:53,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:53,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:53,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:53,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:37:53,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:37:53,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:37:53,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:37:53,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:37:53,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 10:37:53,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-08-14 10:37:53,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:53,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:37:56,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:56,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:37:56,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:56,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:56,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:37:56,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:37:56,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:37:56,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:37:56,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:37:56,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 10:37:56,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-08-14 10:37:56,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:37:56,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-08-14 10:37:56,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-08-14 10:37:57,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:37:57,090 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-14 10:37:57,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:37:57,090 INFO L85 PathProgramCache]: Analyzing trace with hash 964445634, now seen corresponding path program 12 times [2024-08-14 10:37:57,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:37:57,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458030422] [2024-08-14 10:37:57,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:37:57,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:37:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:37:58,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 710 proven. 585 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2024-08-14 10:37:58,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:37:58,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458030422] [2024-08-14 10:37:58,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458030422] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 10:37:58,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972066592] [2024-08-14 10:37:58,520 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-14 10:37:58,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:37:58,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:37:58,522 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 10:37:58,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-08-14 10:37:59,424 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-08-14 10:37:59,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 10:37:59,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 16 conjunts are in the unsatisfiable core [2024-08-14 10:37:59,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 10:37:59,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 674 proven. 15 refuted. 0 times theorem prover too weak. 1141 trivial. 0 not checked. [2024-08-14 10:37:59,913 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 10:38:00,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 96 proven. 593 refuted. 0 times theorem prover too weak. 1141 trivial. 0 not checked. [2024-08-14 10:38:00,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972066592] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 10:38:00,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 10:38:00,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 36 [2024-08-14 10:38:00,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230188093] [2024-08-14 10:38:00,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 10:38:00,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-08-14 10:38:00,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:38:00,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-08-14 10:38:00,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=994, Unknown=0, NotChecked=0, Total=1260 [2024-08-14 10:38:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:38:00,449 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:38:00,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 5.361111111111111) internal successors, (193), 36 states have internal predecessors, (193), 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 10:38:00,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:38:00,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:38:00,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:00,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:00,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:38:00,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:38:00,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:38:00,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:38:00,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:38:00,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 10:38:00,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-08-14 10:38:00,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:00,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-08-14 10:38:00,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:38:02,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:38:02,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:38:02,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:02,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:02,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:38:02,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:38:02,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:38:02,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:38:02,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:38:02,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 10:38:02,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-08-14 10:38:02,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:02,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-08-14 10:38:02,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:38:02,933 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-08-14 10:38:03,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:38:03,115 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-14 10:38:03,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:38:03,115 INFO L85 PathProgramCache]: Analyzing trace with hash 220379091, now seen corresponding path program 13 times [2024-08-14 10:38:03,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:38:03,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226681347] [2024-08-14 10:38:03,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:38:03,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:38:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:38:04,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 719 proven. 662 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2024-08-14 10:38:04,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:38:04,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226681347] [2024-08-14 10:38:04,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226681347] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 10:38:04,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116658358] [2024-08-14 10:38:04,619 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-14 10:38:04,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:38:04,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:38:04,622 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 10:38:04,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-08-14 10:38:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:38:04,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 18 conjunts are in the unsatisfiable core [2024-08-14 10:38:04,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 10:38:05,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 974 proven. 21 refuted. 0 times theorem prover too weak. 841 trivial. 0 not checked. [2024-08-14 10:38:05,309 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 10:38:05,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 907 proven. 88 refuted. 0 times theorem prover too weak. 841 trivial. 0 not checked. [2024-08-14 10:38:05,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116658358] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 10:38:05,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 10:38:05,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 42 [2024-08-14 10:38:05,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986005274] [2024-08-14 10:38:05,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 10:38:05,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-08-14 10:38:05,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:38:05,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-08-14 10:38:05,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=370, Invalid=1352, Unknown=0, NotChecked=0, Total=1722 [2024-08-14 10:38:05,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:38:05,702 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:38:05,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 6.238095238095238) internal successors, (262), 42 states have internal predecessors, (262), 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 10:38:05,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:38:05,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:38:05,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:05,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:05,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:38:05,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:38:05,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:38:05,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:38:05,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:38:05,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 10:38:05,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-08-14 10:38:05,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:05,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-08-14 10:38:05,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:38:05,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:38:07,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:38:07,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:38:07,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:07,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:07,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:38:07,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:38:07,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:38:07,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:38:07,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:38:07,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 10:38:07,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-08-14 10:38:07,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:07,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-08-14 10:38:07,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:38:07,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-14 10:38:07,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-08-14 10:38:08,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:38:08,074 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-14 10:38:08,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:38:08,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1370847262, now seen corresponding path program 14 times [2024-08-14 10:38:08,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:38:08,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844174242] [2024-08-14 10:38:08,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:38:08,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:38:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:38:09,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1843 backedges. 666 proven. 745 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-08-14 10:38:09,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:38:09,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844174242] [2024-08-14 10:38:09,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844174242] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 10:38:09,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450458060] [2024-08-14 10:38:09,505 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 10:38:09,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:38:09,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:38:09,507 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 10:38:09,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-08-14 10:38:09,835 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-14 10:38:09,835 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 10:38:09,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 1466 conjuncts, 21 conjunts are in the unsatisfiable core [2024-08-14 10:38:09,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 10:38:10,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1843 backedges. 1011 proven. 88 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2024-08-14 10:38:10,415 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 10:38:11,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1843 backedges. 1030 proven. 69 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2024-08-14 10:38:11,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450458060] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 10:38:11,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 10:38:11,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19, 19] total 53 [2024-08-14 10:38:11,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530702601] [2024-08-14 10:38:11,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 10:38:11,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-08-14 10:38:11,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:38:11,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-08-14 10:38:11,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=668, Invalid=2088, Unknown=0, NotChecked=0, Total=2756 [2024-08-14 10:38:11,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:38:11,251 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:38:11,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 6.226415094339623) internal successors, (330), 53 states have internal predecessors, (330), 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 10:38:11,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:38:11,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:38:11,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:11,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:11,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:38:11,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:38:11,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:38:11,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:38:11,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:38:11,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 10:38:11,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-08-14 10:38:11,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:11,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-08-14 10:38:11,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:38:11,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-14 10:38:11,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:38:14,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:38:14,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:38:14,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:14,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:14,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:38:14,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:38:14,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:38:14,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:38:14,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:38:14,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 10:38:14,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-08-14 10:38:14,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:14,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-08-14 10:38:14,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:38:14,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-14 10:38:14,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-14 10:38:14,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-08-14 10:38:14,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-08-14 10:38:14,407 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-14 10:38:14,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:38:14,407 INFO L85 PathProgramCache]: Analyzing trace with hash 840743347, now seen corresponding path program 15 times [2024-08-14 10:38:14,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:38:14,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990315766] [2024-08-14 10:38:14,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:38:14,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:38:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:38:15,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1851 backedges. 682 proven. 790 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2024-08-14 10:38:15,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:38:15,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990315766] [2024-08-14 10:38:15,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990315766] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 10:38:15,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562044954] [2024-08-14 10:38:15,866 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-14 10:38:15,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:38:15,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:38:15,867 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 10:38:15,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-08-14 10:38:16,324 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-08-14 10:38:16,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 10:38:16,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 20 conjunts are in the unsatisfiable core [2024-08-14 10:38:16,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 10:38:16,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1851 backedges. 825 proven. 21 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2024-08-14 10:38:16,899 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 10:38:17,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1851 backedges. 194 proven. 652 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2024-08-14 10:38:17,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562044954] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 10:38:17,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 10:38:17,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16, 16] total 49 [2024-08-14 10:38:17,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160165023] [2024-08-14 10:38:17,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 10:38:17,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-08-14 10:38:17,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:38:17,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-08-14 10:38:17,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=338, Invalid=2014, Unknown=0, NotChecked=0, Total=2352 [2024-08-14 10:38:17,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:38:17,575 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:38:17,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 5.224489795918367) internal successors, (256), 49 states have internal predecessors, (256), 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 10:38:17,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:38:17,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:38:17,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:17,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:17,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:38:17,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:38:17,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:38:17,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:38:17,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:38:17,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 10:38:17,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-08-14 10:38:17,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:17,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-08-14 10:38:17,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:38:17,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-14 10:38:17,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-14 10:38:17,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:38:20,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:38:20,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:38:20,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:20,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:20,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:38:20,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:38:20,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:38:20,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:38:20,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:38:20,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 10:38:20,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-08-14 10:38:20,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:20,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-08-14 10:38:20,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:38:20,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-14 10:38:20,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-14 10:38:20,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-08-14 10:38:20,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-08-14 10:38:20,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-08-14 10:38:20,488 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-14 10:38:20,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:38:20,488 INFO L85 PathProgramCache]: Analyzing trace with hash 133216934, now seen corresponding path program 16 times [2024-08-14 10:38:20,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:38:20,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062525105] [2024-08-14 10:38:20,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:38:20,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:38:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:38:22,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1867 backedges. 713 proven. 830 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-08-14 10:38:22,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:38:22,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062525105] [2024-08-14 10:38:22,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062525105] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 10:38:22,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915907776] [2024-08-14 10:38:22,060 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-14 10:38:22,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:38:22,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:38:22,062 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 10:38:22,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-08-14 10:38:22,388 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-14 10:38:22,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 10:38:22,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 1493 conjuncts, 25 conjunts are in the unsatisfiable core [2024-08-14 10:38:22,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 10:38:23,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1867 backedges. 1661 proven. 28 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-08-14 10:38:23,511 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 10:38:24,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1867 backedges. 1446 proven. 243 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-08-14 10:38:24,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915907776] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 10:38:24,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 10:38:24,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 64 [2024-08-14 10:38:24,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369940327] [2024-08-14 10:38:24,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 10:38:24,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-08-14 10:38:24,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:38:24,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-08-14 10:38:24,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=684, Invalid=3348, Unknown=0, NotChecked=0, Total=4032 [2024-08-14 10:38:24,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:38:24,571 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:38:24,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 7.21875) internal successors, (462), 64 states have internal predecessors, (462), 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 10:38:24,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:38:24,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:38:24,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:24,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:24,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:38:24,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:38:24,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:38:24,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:38:24,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:38:24,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 10:38:24,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-08-14 10:38:24,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:24,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-08-14 10:38:24,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:38:24,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-14 10:38:24,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-14 10:38:24,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-08-14 10:38:24,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:38:26,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:38:26,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:38:26,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:26,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:26,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:38:26,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:38:26,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:38:26,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:38:26,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:38:26,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 10:38:26,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-08-14 10:38:26,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:26,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-08-14 10:38:26,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:38:26,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-14 10:38:26,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-14 10:38:26,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-08-14 10:38:26,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-08-14 10:38:26,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-08-14 10:38:27,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-08-14 10:38:27,050 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-14 10:38:27,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:38:27,050 INFO L85 PathProgramCache]: Analyzing trace with hash 195517679, now seen corresponding path program 17 times [2024-08-14 10:38:27,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:38:27,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108286629] [2024-08-14 10:38:27,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:38:27,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:38:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:38:28,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 740 proven. 854 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-08-14 10:38:28,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:38:28,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108286629] [2024-08-14 10:38:28,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108286629] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 10:38:28,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983130136] [2024-08-14 10:38:28,419 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-14 10:38:28,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:38:28,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:38:28,421 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 10:38:28,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-08-14 10:38:50,646 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2024-08-14 10:38:50,646 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 10:38:50,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 1556 conjuncts, 36 conjunts are in the unsatisfiable core [2024-08-14 10:38:50,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 10:38:50,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 548 proven. 735 refuted. 0 times theorem prover too weak. 657 trivial. 0 not checked. [2024-08-14 10:38:50,970 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 10:38:52,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 369 proven. 1397 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-08-14 10:38:52,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983130136] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 10:38:52,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 10:38:52,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 5, 36] total 63 [2024-08-14 10:38:52,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799626659] [2024-08-14 10:38:52,251 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 10:38:52,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-08-14 10:38:52,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:38:52,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-08-14 10:38:52,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=783, Invalid=3123, Unknown=0, NotChecked=0, Total=3906 [2024-08-14 10:38:52,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:38:52,255 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:38:52,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 6.587301587301587) internal successors, (415), 63 states have internal predecessors, (415), 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 10:38:52,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:38:52,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:38:52,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:52,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:52,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:38:52,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:38:52,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:38:52,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:38:52,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:38:52,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 10:38:52,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-08-14 10:38:52,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:52,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-08-14 10:38:52,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:38:52,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-14 10:38:52,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-14 10:38:52,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-08-14 10:38:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-08-14 10:38:52,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:38:56,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:38:56,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:38:56,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:56,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:56,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:38:56,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:38:56,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:38:56,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:38:56,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:38:56,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 10:38:56,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-08-14 10:38:56,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:38:56,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-08-14 10:38:56,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:38:56,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-14 10:38:56,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-14 10:38:56,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-08-14 10:38:56,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-08-14 10:38:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-14 10:38:56,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-08-14 10:38:56,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:38:56,672 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-14 10:38:56,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:38:56,673 INFO L85 PathProgramCache]: Analyzing trace with hash -928095850, now seen corresponding path program 18 times [2024-08-14 10:38:56,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:38:56,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506939638] [2024-08-14 10:38:56,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:38:56,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:38:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:38:58,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2321 backedges. 969 proven. 983 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2024-08-14 10:38:58,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:38:58,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506939638] [2024-08-14 10:38:58,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506939638] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 10:38:58,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807168695] [2024-08-14 10:38:58,478 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-14 10:38:58,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:38:58,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:38:58,480 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 10:38:58,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-08-14 10:39:01,804 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2024-08-14 10:39:01,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 10:39:01,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 1344 conjuncts, 28 conjunts are in the unsatisfiable core [2024-08-14 10:39:01,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 10:39:02,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2321 backedges. 1531 proven. 66 refuted. 0 times theorem prover too weak. 724 trivial. 0 not checked. [2024-08-14 10:39:02,586 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 10:39:03,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2321 backedges. 1405 proven. 192 refuted. 0 times theorem prover too weak. 724 trivial. 0 not checked. [2024-08-14 10:39:03,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807168695] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 10:39:03,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 10:39:03,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 72 [2024-08-14 10:39:03,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983189597] [2024-08-14 10:39:03,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 10:39:03,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-08-14 10:39:03,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:39:03,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-08-14 10:39:03,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1002, Invalid=4110, Unknown=0, NotChecked=0, Total=5112 [2024-08-14 10:39:03,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:39:03,390 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:39:03,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 5.458333333333333) internal successors, (393), 72 states have internal predecessors, (393), 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 10:39:03,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:39:03,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:39:03,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:39:03,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:39:03,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:39:03,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:39:03,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:39:03,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:39:03,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:39:03,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 10:39:03,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-08-14 10:39:03,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:39:03,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-08-14 10:39:03,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:39:03,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-14 10:39:03,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-14 10:39:03,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-08-14 10:39:03,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-08-14 10:39:03,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-08-14 10:39:03,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:39:07,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:39:07,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:39:07,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:39:07,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:39:07,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:39:07,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:39:07,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:39:07,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:39:07,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:39:07,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 10:39:07,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-08-14 10:39:07,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:39:07,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-08-14 10:39:07,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:39:07,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-14 10:39:07,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-14 10:39:07,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-08-14 10:39:07,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-08-14 10:39:07,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-14 10:39:07,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-14 10:39:07,490 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-08-14 10:39:07,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-08-14 10:39:07,674 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-14 10:39:07,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:39:07,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1920475219, now seen corresponding path program 19 times [2024-08-14 10:39:07,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:39:07,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216213324] [2024-08-14 10:39:07,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:39:07,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:39:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:39:09,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2333 backedges. 1008 proven. 1004 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-08-14 10:39:09,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:39:09,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216213324] [2024-08-14 10:39:09,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216213324] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 10:39:09,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61084136] [2024-08-14 10:39:09,671 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-14 10:39:09,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:39:09,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:39:09,673 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 10:39:09,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-08-14 10:39:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:39:10,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 1680 conjuncts, 14 conjunts are in the unsatisfiable core [2024-08-14 10:39:10,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 10:39:10,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2333 backedges. 1216 proven. 130 refuted. 0 times theorem prover too weak. 987 trivial. 0 not checked. [2024-08-14 10:39:10,267 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 10:39:10,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2333 backedges. 1086 proven. 369 refuted. 0 times theorem prover too weak. 878 trivial. 0 not checked. [2024-08-14 10:39:10,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61084136] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 10:39:10,809 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 10:39:10,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 4, 14] total 44 [2024-08-14 10:39:10,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580335756] [2024-08-14 10:39:10,809 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 10:39:10,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-08-14 10:39:10,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:39:10,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-08-14 10:39:10,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=1607, Unknown=0, NotChecked=0, Total=1892 [2024-08-14 10:39:10,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:39:10,812 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:39:10,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 7.590909090909091) internal successors, (334), 44 states have internal predecessors, (334), 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 10:39:10,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:39:10,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:39:10,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:39:10,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:39:10,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:39:10,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:39:10,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:39:10,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:39:10,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:39:10,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 10:39:10,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-08-14 10:39:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:39:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-08-14 10:39:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:39:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-14 10:39:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-14 10:39:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-08-14 10:39:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-08-14 10:39:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-08-14 10:39:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-14 10:39:10,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:39:17,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:39:17,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:39:17,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:39:17,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:39:17,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:39:17,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:39:17,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:39:17,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:39:17,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:39:17,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 10:39:17,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-08-14 10:39:17,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:39:17,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-08-14 10:39:17,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:39:17,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-14 10:39:17,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-14 10:39:17,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-08-14 10:39:17,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-08-14 10:39:17,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-08-14 10:39:17,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-14 10:39:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-08-14 10:39:17,255 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-08-14 10:39:17,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-08-14 10:39:17,443 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-08-14 10:39:17,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:39:17,443 INFO L85 PathProgramCache]: Analyzing trace with hash 123010809, now seen corresponding path program 20 times [2024-08-14 10:39:17,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:39:17,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767377837] [2024-08-14 10:39:17,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:39:17,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:39:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:39:19,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2801 backedges. 1204 proven. 1307 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-08-14 10:39:19,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:39:19,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767377837] [2024-08-14 10:39:19,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767377837] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 10:39:19,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843507912] [2024-08-14 10:39:19,651 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 10:39:19,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 10:39:19,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:39:19,653 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 10:39:19,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-08-14 10:39:20,046 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-14 10:39:20,046 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 10:39:20,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 1808 conjuncts, 32 conjunts are in the unsatisfiable core [2024-08-14 10:39:20,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 10:39:21,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2801 backedges. 2086 proven. 91 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2024-08-14 10:39:21,102 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 10:39:22,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2801 backedges. 1940 proven. 237 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2024-08-14 10:39:22,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843507912] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 10:39:22,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 10:39:22,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 83 [2024-08-14 10:39:22,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698390522] [2024-08-14 10:39:22,209 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 10:39:22,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-08-14 10:39:22,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:39:22,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-08-14 10:39:22,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1295, Invalid=5677, Unknown=0, NotChecked=0, Total=6972 [2024-08-14 10:39:22,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:39:22,214 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:39:22,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 6.095238095238095) internal successors, (512), 83 states have internal predecessors, (512), 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 10:39:22,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:39:22,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:39:22,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:39:22,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:39:22,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 10:39:22,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 10:39:22,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 10:39:22,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-14 10:39:22,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:39:22,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 10:39:22,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-08-14 10:39:22,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 10:39:22,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-08-14 10:39:22,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-14 10:39:22,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-14 10:39:22,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-14 10:39:22,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-08-14 10:39:22,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-08-14 10:39:22,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-08-14 10:39:22,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-14 10:39:22,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-08-14 10:39:22,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.