./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/fib_safe-5.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/fib_safe-5.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7bc0c755 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread/fib_safe-5.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/fib_safe-5.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.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-22 20:51:27,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-22 20:51:27,570 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-22 20:51:27,576 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-22 20:51:27,576 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-22 20:51:27,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-22 20:51:27,593 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-22 20:51:27,593 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-22 20:51:27,594 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-22 20:51:27,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-22 20:51:27,595 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-22 20:51:27,595 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-22 20:51:27,595 INFO L153 SettingsManager]: * Use SBE=true [2024-08-22 20:51:27,595 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-22 20:51:27,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-22 20:51:27,597 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-22 20:51:27,597 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-22 20:51:27,597 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-22 20:51:27,598 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-22 20:51:27,598 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-22 20:51:27,598 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-22 20:51:27,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-22 20:51:27,601 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-22 20:51:27,601 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-22 20:51:27,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-22 20:51:27,601 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-22 20:51:27,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-22 20:51:27,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-22 20:51:27,602 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-22 20:51:27,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-22 20:51:27,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 20:51:27,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-22 20:51:27,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-22 20:51:27,603 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-22 20:51:27,604 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-22 20:51:27,604 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-22 20:51:27,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-22 20:51:27,604 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-22 20:51:27,604 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-22 20:51:27,604 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-22 20:51:27,604 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-22 20:51:27,605 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-22 20:51:27,605 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-22 20:51:27,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-22 20:51:27,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-22 20:51:27,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-22 20:51:27,808 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-22 20:51:27,809 INFO L274 PluginConnector]: CDTParser initialized [2024-08-22 20:51:27,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/fib_safe-5.i [2024-08-22 20:51:29,043 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-22 20:51:29,229 INFO L384 CDTParser]: Found 1 translation units. [2024-08-22 20:51:29,229 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-5.i [2024-08-22 20:51:29,245 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e9a0d9d3a/b42c7ab910e146c19c5ad1236cbe43e4/FLAGa5d5afe10 [2024-08-22 20:51:29,256 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e9a0d9d3a/b42c7ab910e146c19c5ad1236cbe43e4 [2024-08-22 20:51:29,258 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-22 20:51:29,259 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-22 20:51:29,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/fib_safe-5.yml/witness.yml [2024-08-22 20:51:29,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-22 20:51:29,356 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-22 20:51:29,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-22 20:51:29,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-22 20:51:29,361 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-22 20:51:29,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 08:51:29" (1/2) ... [2024-08-22 20:51:29,362 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a494f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 08:51:29, skipping insertion in model container [2024-08-22 20:51:29,362 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 08:51:29" (1/2) ... [2024-08-22 20:51:29,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@156b0ce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 08:51:29, skipping insertion in model container [2024-08-22 20:51:29,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 08:51:29" (2/2) ... [2024-08-22 20:51:29,364 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a494f63 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 08:51:29, skipping insertion in model container [2024-08-22 20:51:29,364 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 08:51:29" (2/2) ... [2024-08-22 20:51:29,364 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-22 20:51:29,396 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-22 20:51:29,397 INFO L97 edCorrectnessWitness]: Location invariant before [L722-L722] ((((((((! multithreaded || 0 <= p) && (! multithreaded || 0 <= prev)) && (! multithreaded || 1 <= i)) && (! multithreaded || 0 <= x)) && (! multithreaded || 1 <= j)) && (! multithreaded || 0 <= q)) && (! multithreaded || (1 <= i && 1 <= j))) && (! multithreaded || 0 <= cur)) && (! multithreaded || 0 <= next) [2024-08-22 20:51:29,397 INFO L97 edCorrectnessWitness]: Location invariant before [L721-L721] ((((((((! multithreaded || 0 <= p) && (! multithreaded || 0 <= prev)) && (! multithreaded || 1 <= i)) && (! multithreaded || 0 <= x)) && (! multithreaded || 1 <= j)) && (! multithreaded || 0 <= q)) && (! multithreaded || (1 <= i && 1 <= j))) && (! multithreaded || 0 <= cur)) && (! multithreaded || 0 <= next) [2024-08-22 20:51:29,398 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-22 20:51:29,398 INFO L106 edCorrectnessWitness]: ghost_update [L720-L720] multithreaded = 1; [2024-08-22 20:51:29,429 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-22 20:51:29,703 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-5.i[30241,30254] [2024-08-22 20:51:29,719 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 20:51:29,727 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-22 20:51:29,785 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-5.i[30241,30254] Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-22 20:51:29,799 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 20:51:29,836 INFO L206 MainTranslator]: Completed translation [2024-08-22 20:51:29,837 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 08:51:29 WrapperNode [2024-08-22 20:51:29,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-22 20:51:29,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-22 20:51:29,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-22 20:51:29,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-22 20:51:29,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 08:51:29" (1/1) ... [2024-08-22 20:51:29,856 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 08:51:29" (1/1) ... [2024-08-22 20:51:29,876 INFO L138 Inliner]: procedures = 164, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-08-22 20:51:29,878 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-22 20:51:29,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-22 20:51:29,879 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-22 20:51:29,879 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-22 20:51:29,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 08:51:29" (1/1) ... [2024-08-22 20:51:29,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 08:51:29" (1/1) ... [2024-08-22 20:51:29,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 08:51:29" (1/1) ... [2024-08-22 20:51:29,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 08:51:29" (1/1) ... [2024-08-22 20:51:29,901 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 08:51:29" (1/1) ... [2024-08-22 20:51:29,903 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 08:51:29" (1/1) ... [2024-08-22 20:51:29,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 08:51:29" (1/1) ... [2024-08-22 20:51:29,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 08:51:29" (1/1) ... [2024-08-22 20:51:29,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-22 20:51:29,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-22 20:51:29,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-22 20:51:29,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-22 20:51:29,913 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 08:51:29" (1/1) ... [2024-08-22 20:51:29,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 20:51:29,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 20:51:29,941 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) [2024-08-22 20:51:29,948 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 [2024-08-22 20:51:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-08-22 20:51:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-08-22 20:51:29,973 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-08-22 20:51:29,974 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-08-22 20:51:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-22 20:51:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-22 20:51:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-22 20:51:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-22 20:51:29,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-22 20:51:29,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-22 20:51:29,975 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-22 20:51:30,089 INFO L243 CfgBuilder]: Building ICFG [2024-08-22 20:51:30,091 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-22 20:51:30,254 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-22 20:51:30,254 INFO L292 CfgBuilder]: Performing block encoding [2024-08-22 20:51:30,339 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-22 20:51:30,340 INFO L319 CfgBuilder]: Removed 3 assume(true) statements. [2024-08-22 20:51:30,340 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 08:51:30 BoogieIcfgContainer [2024-08-22 20:51:30,343 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-22 20:51:30,345 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-22 20:51:30,345 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-22 20:51:30,348 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-22 20:51:30,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 08:51:29" (1/4) ... [2024-08-22 20:51:30,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac6880b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 08:51:30, skipping insertion in model container [2024-08-22 20:51:30,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 08:51:29" (2/4) ... [2024-08-22 20:51:30,349 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac6880b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.08 08:51:30, skipping insertion in model container [2024-08-22 20:51:30,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 08:51:29" (3/4) ... [2024-08-22 20:51:30,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac6880b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.08 08:51:30, skipping insertion in model container [2024-08-22 20:51:30,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 08:51:30" (4/4) ... [2024-08-22 20:51:30,351 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_safe-5.i [2024-08-22 20:51:30,365 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-22 20:51:30,366 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-08-22 20:51:30,366 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-22 20:51:30,406 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-22 20:51:30,442 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-22 20:51:30,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-22 20:51:30,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 20:51:30,444 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) [2024-08-22 20:51:30,446 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 [2024-08-22 20:51:30,481 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-22 20:51:30,490 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-22 20:51:30,496 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;@476adcea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-22 20:51:30,496 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-08-22 20:51:30,596 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 20:51:30,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 20:51:30,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1018018145, now seen corresponding path program 1 times [2024-08-22 20:51:30,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 20:51:30,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443975120] [2024-08-22 20:51:30,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:51:30,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 20:51:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:51:31,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:51:31,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 20:51:31,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443975120] [2024-08-22 20:51:31,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443975120] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 20:51:31,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 20:51:31,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-22 20:51:31,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815522948] [2024-08-22 20:51:31,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 20:51:31,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-22 20:51:31,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 20:51:31,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-22 20:51:31,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-08-22 20:51:31,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:51:31,144 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 20:51:31,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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) [2024-08-22 20:51:31,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:51:31,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:51:31,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-22 20:51:31,280 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 20:51:31,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 20:51:31,281 INFO L85 PathProgramCache]: Analyzing trace with hash 747276657, now seen corresponding path program 1 times [2024-08-22 20:51:31,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 20:51:31,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327503939] [2024-08-22 20:51:31,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:51:31,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 20:51:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:51:31,400 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:51:31,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 20:51:31,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327503939] [2024-08-22 20:51:31,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327503939] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 20:51:31,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773648929] [2024-08-22 20:51:31,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:51:31,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:51:31,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 20:51:31,425 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-22 20:51:31,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-22 20:51:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:51:31,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 4 conjunts are in the unsatisfiable core [2024-08-22 20:51:31,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 20:51:31,597 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:51:31,598 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 20:51:31,635 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:51:31,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773648929] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 20:51:31,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 20:51:31,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-08-22 20:51:31,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062600871] [2024-08-22 20:51:31,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 20:51:31,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-08-22 20:51:31,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 20:51:31,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-08-22 20:51:31,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2024-08-22 20:51:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:51:31,641 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 20:51:31,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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) [2024-08-22 20:51:31,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:51:31,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:51:31,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:51:31,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:51:31,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-08-22 20:51:31,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-08-22 20:51:31,946 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 20:51:31,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 20:51:31,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1909400929, now seen corresponding path program 2 times [2024-08-22 20:51:31,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 20:51:31,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047775585] [2024-08-22 20:51:31,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:51:31,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 20:51:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:51:32,108 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:51:32,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 20:51:32,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047775585] [2024-08-22 20:51:32,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047775585] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 20:51:32,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504815656] [2024-08-22 20:51:32,110 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-22 20:51:32,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:51:32,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 20:51:32,112 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-22 20:51:32,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-22 20:51:32,192 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-22 20:51:32,192 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 20:51:32,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 7 conjunts are in the unsatisfiable core [2024-08-22 20:51:32,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 20:51:32,309 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-22 20:51:32,309 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-22 20:51:32,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504815656] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 20:51:32,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-22 20:51:32,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2024-08-22 20:51:32,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521165076] [2024-08-22 20:51:32,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 20:51:32,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-22 20:51:32,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 20:51:32,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-22 20:51:32,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-08-22 20:51:32,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:51:32,315 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 20:51:32,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 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) [2024-08-22 20:51:32,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:51:32,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:51:32,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:51:32,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:51:32,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:51:32,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:51:32,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-08-22 20:51:32,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:51:32,624 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 20:51:32,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 20:51:32,625 INFO L85 PathProgramCache]: Analyzing trace with hash 384720415, now seen corresponding path program 1 times [2024-08-22 20:51:32,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 20:51:32,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791545146] [2024-08-22 20:51:32,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:51:32,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 20:51:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:51:32,775 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:51:32,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 20:51:32,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791545146] [2024-08-22 20:51:32,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791545146] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 20:51:32,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124806928] [2024-08-22 20:51:32,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:51:32,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:51:32,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 20:51:32,778 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) [2024-08-22 20:51:32,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-22 20:51:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:51:32,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2024-08-22 20:51:32,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 20:51:32,932 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-22 20:51:32,932 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-22 20:51:32,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124806928] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 20:51:32,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-22 20:51:32,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2024-08-22 20:51:32,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031467568] [2024-08-22 20:51:32,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 20:51:32,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-22 20:51:32,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 20:51:32,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-22 20:51:32,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-08-22 20:51:32,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:51:32,936 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 20:51:32,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-22 20:51:32,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:51:32,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:51:32,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:51:32,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:51:33,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:51:33,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:51:33,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:51:33,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:51:33,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-08-22 20:51:33,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:51:33,239 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 20:51:33,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 20:51:33,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1814556164, now seen corresponding path program 1 times [2024-08-22 20:51:33,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 20:51:33,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629802696] [2024-08-22 20:51:33,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:51:33,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 20:51:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:51:33,346 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:51:33,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 20:51:33,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629802696] [2024-08-22 20:51:33,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629802696] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 20:51:33,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63217694] [2024-08-22 20:51:33,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:51:33,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:51:33,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 20:51:33,352 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) [2024-08-22 20:51:33,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-08-22 20:51:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:51:33,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-22 20:51:33,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 20:51:33,455 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:51:33,455 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 20:51:33,561 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:51:33,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63217694] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 20:51:33,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 20:51:33,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2024-08-22 20:51:33,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686077255] [2024-08-22 20:51:33,562 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 20:51:33,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-08-22 20:51:33,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 20:51:33,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-08-22 20:51:33,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2024-08-22 20:51:33,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:51:33,563 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 20:51:33,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.866666666666666) internal successors, (103), 15 states have internal predecessors, (103), 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) [2024-08-22 20:51:33,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:51:33,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:51:33,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:51:33,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:51:33,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:51:33,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:51:33,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:51:33,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:51:33,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:51:33,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:51:33,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-08-22 20:51:33,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:51:33,826 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 20:51:33,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 20:51:33,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1862414404, now seen corresponding path program 2 times [2024-08-22 20:51:33,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 20:51:33,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500607733] [2024-08-22 20:51:33,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:51:33,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 20:51:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:51:35,090 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:51:35,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 20:51:35,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500607733] [2024-08-22 20:51:35,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500607733] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 20:51:35,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833662158] [2024-08-22 20:51:35,091 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-22 20:51:35,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:51:35,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 20:51:35,093 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) [2024-08-22 20:51:35,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-08-22 20:51:35,182 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-22 20:51:35,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 20:51:35,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-22 20:51:35,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 20:51:36,598 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 21 proven. 127 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:51:36,599 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 20:51:38,184 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:51:38,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833662158] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 20:51:38,184 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 20:51:38,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-22 20:51:38,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106967536] [2024-08-22 20:51:38,185 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 20:51:38,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-22 20:51:38,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 20:51:38,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-22 20:51:38,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=689, Invalid=6451, Unknown=0, NotChecked=0, Total=7140 [2024-08-22 20:51:38,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:51:38,192 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 20:51:38,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.164705882352941) internal successors, (184), 84 states have internal predecessors, (184), 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) [2024-08-22 20:51:38,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:51:38,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:51:38,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:51:38,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:51:38,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:51:38,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:51:48,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:51:48,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:51:48,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:51:48,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:51:48,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:51:48,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-08-22 20:51:48,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-08-22 20:51:49,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:51:49,181 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 20:51:49,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 20:51:49,182 INFO L85 PathProgramCache]: Analyzing trace with hash -313952678, now seen corresponding path program 3 times [2024-08-22 20:51:49,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 20:51:49,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467241076] [2024-08-22 20:51:49,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:51:49,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 20:51:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:51:50,155 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:51:50,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 20:51:50,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467241076] [2024-08-22 20:51:50,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467241076] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 20:51:50,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025018676] [2024-08-22 20:51:50,156 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-22 20:51:50,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:51:50,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 20:51:50,157 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) [2024-08-22 20:51:50,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-08-22 20:51:50,221 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-08-22 20:51:50,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 20:51:50,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-22 20:51:50,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 20:51:51,315 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 15 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:51:51,316 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 20:51:52,607 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:51:52,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025018676] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 20:51:52,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 20:51:52,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-22 20:51:52,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903734541] [2024-08-22 20:51:52,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 20:51:52,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-22 20:51:52,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 20:51:52,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-22 20:51:52,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=673, Invalid=6467, Unknown=0, NotChecked=0, Total=7140 [2024-08-22 20:51:52,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:51:52,612 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 20:51:52,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.164705882352941) internal successors, (184), 84 states have internal predecessors, (184), 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) [2024-08-22 20:51:52,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:51:52,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:51:52,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:51:52,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:51:52,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:51:52,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2024-08-22 20:51:52,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:52:12,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:52:12,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:52:12,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:52:12,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:52:12,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:52:12,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2024-08-22 20:52:12,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-08-22 20:52:12,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-08-22 20:52:13,171 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,SelfDestructingSolverStorable6 [2024-08-22 20:52:13,171 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 20:52:13,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 20:52:13,172 INFO L85 PathProgramCache]: Analyzing trace with hash 49641540, now seen corresponding path program 4 times [2024-08-22 20:52:13,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 20:52:13,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029751232] [2024-08-22 20:52:13,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:52:13,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 20:52:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:52:14,125 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:52:14,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 20:52:14,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029751232] [2024-08-22 20:52:14,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029751232] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 20:52:14,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072456371] [2024-08-22 20:52:14,126 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-22 20:52:14,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:52:14,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 20:52:14,127 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) [2024-08-22 20:52:14,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-08-22 20:52:14,188 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-22 20:52:14,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 20:52:14,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-22 20:52:14,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 20:52:15,197 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 21 proven. 127 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:52:15,198 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 20:52:16,493 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:52:16,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072456371] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 20:52:16,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 20:52:16,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-22 20:52:16,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149656183] [2024-08-22 20:52:16,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 20:52:16,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-22 20:52:16,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 20:52:16,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-22 20:52:16,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=678, Invalid=6462, Unknown=0, NotChecked=0, Total=7140 [2024-08-22 20:52:16,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:52:16,497 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 20:52:16,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.164705882352941) internal successors, (184), 84 states have internal predecessors, (184), 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) [2024-08-22 20:52:16,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:52:16,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:52:16,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:52:16,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:52:16,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:52:16,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2024-08-22 20:52:16,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-08-22 20:52:16,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:52:31,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:52:31,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:52:31,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:52:31,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:52:31,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:52:31,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2024-08-22 20:52:31,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-08-22 20:52:31,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-08-22 20:52:31,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-08-22 20:52:31,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:52:31,634 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 20:52:31,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 20:52:31,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1319518660, now seen corresponding path program 5 times [2024-08-22 20:52:31,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 20:52:31,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904765368] [2024-08-22 20:52:31,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:52:31,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 20:52:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:52:32,529 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:52:32,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 20:52:32,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904765368] [2024-08-22 20:52:32,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904765368] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 20:52:32,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536527491] [2024-08-22 20:52:32,530 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-22 20:52:32,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:52:32,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 20:52:32,532 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) [2024-08-22 20:52:32,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-08-22 20:52:32,598 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-08-22 20:52:32,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 20:52:32,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-22 20:52:32,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 20:52:33,657 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 15 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:52:33,657 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 20:52:34,879 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:52:34,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536527491] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 20:52:34,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 20:52:34,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-22 20:52:34,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129831938] [2024-08-22 20:52:34,880 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 20:52:34,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-22 20:52:34,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 20:52:34,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-22 20:52:34,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=699, Invalid=6441, Unknown=0, NotChecked=0, Total=7140 [2024-08-22 20:52:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:52:34,882 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 20:52:34,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.164705882352941) internal successors, (184), 84 states have internal predecessors, (184), 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) [2024-08-22 20:52:34,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:52:34,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:52:34,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:52:34,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:52:34,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:52:34,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2024-08-22 20:52:34,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-08-22 20:52:34,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-08-22 20:52:34,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:53:01,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:53:01,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:53:01,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:53:01,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:53:01,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:53:01,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2024-08-22 20:53:01,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2024-08-22 20:53:01,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-08-22 20:53:01,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-08-22 20:53:01,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-08-22 20:53:01,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:53:01,822 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 20:53:01,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 20:53:01,823 INFO L85 PathProgramCache]: Analyzing trace with hash -21979186, now seen corresponding path program 6 times [2024-08-22 20:53:01,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 20:53:01,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435295675] [2024-08-22 20:53:01,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:53:01,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 20:53:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:53:02,508 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:53:02,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 20:53:02,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435295675] [2024-08-22 20:53:02,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435295675] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 20:53:02,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152093478] [2024-08-22 20:53:02,509 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-22 20:53:02,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:53:02,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 20:53:02,510 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) [2024-08-22 20:53:02,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-08-22 20:53:02,568 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-08-22 20:53:02,568 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 20:53:02,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-22 20:53:02,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 20:53:03,543 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 15 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:53:03,543 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 20:53:04,726 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:53:04,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152093478] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 20:53:04,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 20:53:04,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-22 20:53:04,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360109687] [2024-08-22 20:53:04,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 20:53:04,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-22 20:53:04,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 20:53:04,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-22 20:53:04,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=6468, Unknown=0, NotChecked=0, Total=7140 [2024-08-22 20:53:04,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:53:04,730 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 20:53:04,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.164705882352941) internal successors, (184), 84 states have internal predecessors, (184), 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) [2024-08-22 20:53:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:53:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:53:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:53:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:53:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:53:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2024-08-22 20:53:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2024-08-22 20:53:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2024-08-22 20:53:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-08-22 20:53:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:54:03,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:54:03,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:54:03,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:54:03,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:54:03,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:54:03,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2024-08-22 20:54:03,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2024-08-22 20:54:03,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-08-22 20:54:03,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2024-08-22 20:54:03,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2024-08-22 20:54:03,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-08-22 20:54:03,417 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,SelfDestructingSolverStorable9 [2024-08-22 20:54:03,418 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 20:54:03,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 20:54:03,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1900120124, now seen corresponding path program 7 times [2024-08-22 20:54:03,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 20:54:03,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261761471] [2024-08-22 20:54:03,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:54:03,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 20:54:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:54:04,153 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:54:04,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 20:54:04,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261761471] [2024-08-22 20:54:04,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261761471] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 20:54:04,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168316127] [2024-08-22 20:54:04,154 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-22 20:54:04,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:54:04,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 20:54:04,155 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) [2024-08-22 20:54:04,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-08-22 20:54:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:54:04,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-22 20:54:04,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 20:54:05,214 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 21 proven. 127 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:54:05,215 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 20:54:06,444 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:54:06,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168316127] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 20:54:06,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 20:54:06,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-22 20:54:06,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716101335] [2024-08-22 20:54:06,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 20:54:06,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-22 20:54:06,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 20:54:06,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-22 20:54:06,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=695, Invalid=6445, Unknown=0, NotChecked=0, Total=7140 [2024-08-22 20:54:06,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:54:06,448 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 20:54:06,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.164705882352941) internal successors, (184), 84 states have internal predecessors, (184), 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) [2024-08-22 20:54:06,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:54:06,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:54:06,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:54:06,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:54:06,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:54:06,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2024-08-22 20:54:06,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2024-08-22 20:54:06,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2024-08-22 20:54:06,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2024-08-22 20:54:06,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2024-08-22 20:54:06,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:54:36,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:54:36,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:54:36,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:54:36,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:54:36,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:54:36,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2024-08-22 20:54:36,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 239 states. [2024-08-22 20:54:36,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 265 states. [2024-08-22 20:54:36,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2024-08-22 20:54:36,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-08-22 20:54:36,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2024-08-22 20:54:36,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-08-22 20:54:36,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:54:36,329 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 20:54:36,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 20:54:36,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1749936196, now seen corresponding path program 8 times [2024-08-22 20:54:36,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 20:54:36,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050284518] [2024-08-22 20:54:36,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:54:36,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 20:54:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:54:37,004 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:54:37,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 20:54:37,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050284518] [2024-08-22 20:54:37,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050284518] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 20:54:37,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211882946] [2024-08-22 20:54:37,005 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-22 20:54:37,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:54:37,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 20:54:37,006 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) [2024-08-22 20:54:37,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-08-22 20:54:37,062 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-22 20:54:37,062 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 20:54:37,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-22 20:54:37,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 20:54:38,086 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 21 proven. 127 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:54:38,086 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 20:54:39,265 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:54:39,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211882946] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 20:54:39,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 20:54:39,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-22 20:54:39,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123491544] [2024-08-22 20:54:39,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 20:54:39,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-22 20:54:39,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 20:54:39,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-22 20:54:39,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=686, Invalid=6454, Unknown=0, NotChecked=0, Total=7140 [2024-08-22 20:54:39,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:54:39,269 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 20:54:39,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.164705882352941) internal successors, (184), 84 states have internal predecessors, (184), 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) [2024-08-22 20:54:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:54:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:54:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:54:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:54:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:54:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 250 states. [2024-08-22 20:54:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 239 states. [2024-08-22 20:54:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 265 states. [2024-08-22 20:54:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2024-08-22 20:54:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2024-08-22 20:54:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2024-08-22 20:54:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:55:18,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:55:18,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:55:18,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:55:18,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:55:18,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:55:18,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2024-08-22 20:55:18,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-08-22 20:55:18,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 279 states. [2024-08-22 20:55:18,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2024-08-22 20:55:18,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2024-08-22 20:55:18,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2024-08-22 20:55:18,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2024-08-22 20:55:18,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-08-22 20:55:18,741 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,SelfDestructingSolverStorable11 [2024-08-22 20:55:18,741 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 20:55:18,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 20:55:18,742 INFO L85 PathProgramCache]: Analyzing trace with hash 906953306, now seen corresponding path program 9 times [2024-08-22 20:55:18,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 20:55:18,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482975902] [2024-08-22 20:55:18,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:55:18,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 20:55:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:55:19,573 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:55:19,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 20:55:19,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482975902] [2024-08-22 20:55:19,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482975902] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 20:55:19,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881718618] [2024-08-22 20:55:19,574 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-22 20:55:19,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:55:19,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 20:55:19,575 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) [2024-08-22 20:55:19,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-08-22 20:55:19,645 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-08-22 20:55:19,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 20:55:19,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-22 20:55:19,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 20:55:20,667 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 15 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:55:20,667 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 20:55:21,861 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:55:21,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881718618] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 20:55:21,862 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 20:55:21,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-22 20:55:21,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751154564] [2024-08-22 20:55:21,862 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 20:55:21,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-22 20:55:21,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 20:55:21,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-22 20:55:21,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=787, Invalid=6353, Unknown=0, NotChecked=0, Total=7140 [2024-08-22 20:55:21,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:55:21,865 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 20:55:21,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.164705882352941) internal successors, (184), 84 states have internal predecessors, (184), 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) [2024-08-22 20:55:21,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:55:21,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:55:21,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:55:21,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:55:21,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:55:21,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 263 states. [2024-08-22 20:55:21,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-08-22 20:55:21,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 279 states. [2024-08-22 20:55:21,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 204 states. [2024-08-22 20:55:21,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2024-08-22 20:55:21,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2024-08-22 20:55:21,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 231 states. [2024-08-22 20:55:21,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:55:59,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:55:59,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:55:59,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:55:59,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:55:59,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:55:59,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2024-08-22 20:55:59,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2024-08-22 20:55:59,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 295 states. [2024-08-22 20:55:59,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2024-08-22 20:55:59,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-08-22 20:55:59,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2024-08-22 20:55:59,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 251 states. [2024-08-22 20:55:59,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-08-22 20:55:59,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-08-22 20:55:59,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-08-22 20:55:59,612 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 20:55:59,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 20:55:59,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1260940570, now seen corresponding path program 10 times [2024-08-22 20:55:59,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 20:55:59,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46018575] [2024-08-22 20:55:59,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:55:59,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 20:55:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:56:00,469 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:56:00,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 20:56:00,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46018575] [2024-08-22 20:56:00,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46018575] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 20:56:00,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257963026] [2024-08-22 20:56:00,470 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-22 20:56:00,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:56:00,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 20:56:00,471 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) [2024-08-22 20:56:00,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-08-22 20:56:00,534 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-22 20:56:00,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 20:56:00,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-22 20:56:00,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 20:56:01,656 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 10 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:56:01,656 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 20:56:02,886 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:56:02,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257963026] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 20:56:02,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 20:56:02,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-22 20:56:02,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008324747] [2024-08-22 20:56:02,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 20:56:02,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-22 20:56:02,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 20:56:02,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-22 20:56:02,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=815, Invalid=6325, Unknown=0, NotChecked=0, Total=7140 [2024-08-22 20:56:02,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:56:02,889 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 20:56:02,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.164705882352941) internal successors, (184), 84 states have internal predecessors, (184), 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) [2024-08-22 20:56:02,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:56:02,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:56:02,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:56:02,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:56:02,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:56:02,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 276 states. [2024-08-22 20:56:02,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 263 states. [2024-08-22 20:56:02,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 295 states. [2024-08-22 20:56:02,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2024-08-22 20:56:02,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2024-08-22 20:56:02,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2024-08-22 20:56:02,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 251 states. [2024-08-22 20:56:02,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-08-22 20:56:02,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:56:56,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:56:56,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:56:56,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:56:56,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:56:56,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:56:56,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 315 states. [2024-08-22 20:56:56,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 295 states. [2024-08-22 20:56:56,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 331 states. [2024-08-22 20:56:56,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-08-22 20:56:56,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2024-08-22 20:56:56,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 309 states. [2024-08-22 20:56:56,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 309 states. [2024-08-22 20:56:56,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2024-08-22 20:56:56,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-08-22 20:56:56,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-08-22 20:56:56,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-08-22 20:56:56,870 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 20:56:56,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 20:56:56,870 INFO L85 PathProgramCache]: Analyzing trace with hash -39736358, now seen corresponding path program 11 times [2024-08-22 20:56:56,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 20:56:56,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530441320] [2024-08-22 20:56:56,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:56:56,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 20:56:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:56:57,769 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:56:57,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 20:56:57,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530441320] [2024-08-22 20:56:57,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530441320] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 20:56:57,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704422727] [2024-08-22 20:56:57,770 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-22 20:56:57,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:56:57,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 20:56:57,771 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) [2024-08-22 20:56:57,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-08-22 20:56:57,833 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-08-22 20:56:57,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 20:56:57,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-22 20:56:57,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 20:56:58,805 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 15 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:56:58,805 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 20:57:00,029 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:57:00,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704422727] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 20:57:00,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 20:57:00,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-22 20:57:00,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444738312] [2024-08-22 20:57:00,030 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 20:57:00,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-22 20:57:00,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 20:57:00,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-22 20:57:00,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=676, Invalid=6464, Unknown=0, NotChecked=0, Total=7140 [2024-08-22 20:57:00,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:57:00,033 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 20:57:00,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.164705882352941) internal successors, (184), 84 states have internal predecessors, (184), 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) [2024-08-22 20:57:00,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:57:00,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:57:00,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:57:00,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:57:00,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:57:00,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 315 states. [2024-08-22 20:57:00,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 295 states. [2024-08-22 20:57:00,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 331 states. [2024-08-22 20:57:00,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-08-22 20:57:00,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2024-08-22 20:57:00,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 309 states. [2024-08-22 20:57:00,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 309 states. [2024-08-22 20:57:00,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 244 states. [2024-08-22 20:57:00,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-08-22 20:57:00,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:57:44,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:57:44,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:57:44,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:57:44,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:57:44,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:57:44,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 319 states. [2024-08-22 20:57:44,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 312 states. [2024-08-22 20:57:44,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 343 states. [2024-08-22 20:57:44,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 258 states. [2024-08-22 20:57:44,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2024-08-22 20:57:44,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 339 states. [2024-08-22 20:57:44,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 354 states. [2024-08-22 20:57:44,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 245 states. [2024-08-22 20:57:44,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2024-08-22 20:57:44,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2024-08-22 20:57:44,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-08-22 20:57:45,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:57:45,077 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 20:57:45,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 20:57:45,078 INFO L85 PathProgramCache]: Analyzing trace with hash 562652122, now seen corresponding path program 12 times [2024-08-22 20:57:45,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 20:57:45,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740577194] [2024-08-22 20:57:45,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:57:45,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 20:57:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:57:45,889 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:57:45,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 20:57:45,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740577194] [2024-08-22 20:57:45,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740577194] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 20:57:45,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318516840] [2024-08-22 20:57:45,890 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-22 20:57:45,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:57:45,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 20:57:45,891 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) [2024-08-22 20:57:45,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-08-22 20:57:45,949 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-08-22 20:57:45,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 20:57:45,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-22 20:57:45,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 20:57:46,910 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 15 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:57:46,910 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 20:57:48,095 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:57:48,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318516840] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 20:57:48,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 20:57:48,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-22 20:57:48,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227434815] [2024-08-22 20:57:48,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 20:57:48,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-22 20:57:48,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 20:57:48,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-22 20:57:48,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=680, Invalid=6460, Unknown=0, NotChecked=0, Total=7140 [2024-08-22 20:57:48,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:57:48,097 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 20:57:48,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.164705882352941) internal successors, (184), 84 states have internal predecessors, (184), 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) [2024-08-22 20:57:48,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:57:48,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:57:48,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:57:48,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:57:48,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:57:48,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 319 states. [2024-08-22 20:57:48,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 312 states. [2024-08-22 20:57:48,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 343 states. [2024-08-22 20:57:48,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 258 states. [2024-08-22 20:57:48,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2024-08-22 20:57:48,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 339 states. [2024-08-22 20:57:48,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 354 states. [2024-08-22 20:57:48,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 245 states. [2024-08-22 20:57:48,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2024-08-22 20:57:48,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2024-08-22 20:57:48,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:58:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:58:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:58:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:58:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:58:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:58:34,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 324 states. [2024-08-22 20:58:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 313 states. [2024-08-22 20:58:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 348 states. [2024-08-22 20:58:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2024-08-22 20:58:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2024-08-22 20:58:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2024-08-22 20:58:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 372 states. [2024-08-22 20:58:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 245 states. [2024-08-22 20:58:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2024-08-22 20:58:34,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-08-22 20:58:34,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-08-22 20:58:34,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-08-22 20:58:34,932 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,SelfDestructingSolverStorable15 [2024-08-22 20:58:34,932 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 20:58:34,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 20:58:34,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1443367450, now seen corresponding path program 13 times [2024-08-22 20:58:34,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 20:58:34,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082792386] [2024-08-22 20:58:34,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:58:34,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 20:58:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:58:35,558 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:58:35,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 20:58:35,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082792386] [2024-08-22 20:58:35,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082792386] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 20:58:35,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887742122] [2024-08-22 20:58:35,558 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-22 20:58:35,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:58:35,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 20:58:35,560 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) [2024-08-22 20:58:35,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-08-22 20:58:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:58:35,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-22 20:58:35,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 20:58:36,572 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 10 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:58:36,573 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 20:58:37,681 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:58:37,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887742122] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 20:58:37,681 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 20:58:37,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-22 20:58:37,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410977538] [2024-08-22 20:58:37,681 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 20:58:37,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-22 20:58:37,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 20:58:37,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-22 20:58:37,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=823, Invalid=6317, Unknown=0, NotChecked=0, Total=7140 [2024-08-22 20:58:37,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:58:37,684 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 20:58:37,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.164705882352941) internal successors, (184), 84 states have internal predecessors, (184), 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) [2024-08-22 20:58:37,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:58:37,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:58:37,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:58:37,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:58:37,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:58:37,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 324 states. [2024-08-22 20:58:37,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 313 states. [2024-08-22 20:58:37,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 348 states. [2024-08-22 20:58:37,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 273 states. [2024-08-22 20:58:37,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2024-08-22 20:58:37,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2024-08-22 20:58:37,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 372 states. [2024-08-22 20:58:37,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 245 states. [2024-08-22 20:58:37,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2024-08-22 20:58:37,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-08-22 20:58:37,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2024-08-22 20:58:37,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:59:48,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:59:48,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:59:48,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:59:48,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:59:48,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:59:48,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 339 states. [2024-08-22 20:59:48,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 341 states. [2024-08-22 20:59:48,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 364 states. [2024-08-22 20:59:48,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2024-08-22 20:59:48,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2024-08-22 20:59:48,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 377 states. [2024-08-22 20:59:48,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 389 states. [2024-08-22 20:59:48,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 245 states. [2024-08-22 20:59:48,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-08-22 20:59:48,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 277 states. [2024-08-22 20:59:48,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 337 states. [2024-08-22 20:59:48,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-08-22 20:59:48,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-08-22 20:59:48,919 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,SelfDestructingSolverStorable16 [2024-08-22 20:59:48,919 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 20:59:48,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 20:59:48,920 INFO L85 PathProgramCache]: Analyzing trace with hash 584920176, now seen corresponding path program 14 times [2024-08-22 20:59:48,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 20:59:48,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115954298] [2024-08-22 20:59:48,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 20:59:48,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 20:59:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 20:59:49,671 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:59:49,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 20:59:49,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115954298] [2024-08-22 20:59:49,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115954298] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 20:59:49,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038716250] [2024-08-22 20:59:49,671 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-22 20:59:49,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 20:59:49,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 20:59:49,673 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) [2024-08-22 20:59:49,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-08-22 20:59:49,730 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-22 20:59:49,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 20:59:49,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-22 20:59:49,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 20:59:50,683 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 6 proven. 142 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:59:50,683 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 20:59:51,790 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 20:59:51,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038716250] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 20:59:51,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 20:59:51,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-22 20:59:51,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967919638] [2024-08-22 20:59:51,791 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 20:59:51,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-22 20:59:51,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 20:59:51,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-22 20:59:51,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=870, Invalid=6270, Unknown=0, NotChecked=0, Total=7140 [2024-08-22 20:59:51,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 20:59:51,793 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 20:59:51,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.164705882352941) internal successors, (184), 84 states have internal predecessors, (184), 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) [2024-08-22 20:59:51,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 20:59:51,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:59:51,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:59:51,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 20:59:51,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 20:59:51,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 339 states. [2024-08-22 20:59:51,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 341 states. [2024-08-22 20:59:51,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 364 states. [2024-08-22 20:59:51,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2024-08-22 20:59:51,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2024-08-22 20:59:51,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 377 states. [2024-08-22 20:59:51,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 389 states. [2024-08-22 20:59:51,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 245 states. [2024-08-22 20:59:51,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2024-08-22 20:59:51,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 277 states. [2024-08-22 20:59:51,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 337 states. [2024-08-22 20:59:51,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-08-22 20:59:51,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:00:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 21:00:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:00:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:00:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:00:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 21:00:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 379 states. [2024-08-22 21:00:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 389 states. [2024-08-22 21:00:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 403 states. [2024-08-22 21:00:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 305 states. [2024-08-22 21:00:52,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 310 states. [2024-08-22 21:00:52,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 422 states. [2024-08-22 21:00:52,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 425 states. [2024-08-22 21:00:52,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-08-22 21:00:52,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2024-08-22 21:00:52,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 329 states. [2024-08-22 21:00:52,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 375 states. [2024-08-22 21:00:52,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-08-22 21:00:52,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-08-22 21:00:52,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-08-22 21:00:52,282 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,SelfDestructingSolverStorable17 [2024-08-22 21:00:52,283 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 21:00:52,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 21:00:52,283 INFO L85 PathProgramCache]: Analyzing trace with hash -297859004, now seen corresponding path program 15 times [2024-08-22 21:00:52,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 21:00:52,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482429149] [2024-08-22 21:00:52,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 21:00:52,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 21:00:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 21:00:52,917 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:00:52,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 21:00:52,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482429149] [2024-08-22 21:00:52,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482429149] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 21:00:52,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629756697] [2024-08-22 21:00:52,918 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-22 21:00:52,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 21:00:52,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 21:00:52,919 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) [2024-08-22 21:00:52,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-08-22 21:00:52,976 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-08-22 21:00:52,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 21:00:52,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-22 21:00:52,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 21:00:53,934 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 21 proven. 127 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:00:53,934 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 21:00:55,109 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:00:55,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629756697] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 21:00:55,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 21:00:55,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-22 21:00:55,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705676822] [2024-08-22 21:00:55,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 21:00:55,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-22 21:00:55,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 21:00:55,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-22 21:00:55,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=697, Invalid=6443, Unknown=0, NotChecked=0, Total=7140 [2024-08-22 21:00:55,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:00:55,112 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 21:00:55,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.164705882352941) internal successors, (184), 84 states have internal predecessors, (184), 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) [2024-08-22 21:00:55,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 21:00:55,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:00:55,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:00:55,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:00:55,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 21:00:55,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 379 states. [2024-08-22 21:00:55,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 389 states. [2024-08-22 21:00:55,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 403 states. [2024-08-22 21:00:55,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 305 states. [2024-08-22 21:00:55,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 310 states. [2024-08-22 21:00:55,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 422 states. [2024-08-22 21:00:55,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 425 states. [2024-08-22 21:00:55,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-08-22 21:00:55,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2024-08-22 21:00:55,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 329 states. [2024-08-22 21:00:55,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 375 states. [2024-08-22 21:00:55,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2024-08-22 21:00:55,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-08-22 21:00:55,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:01:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 21:01:38,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:01:38,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:01:38,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:01:38,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 21:01:38,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 379 states. [2024-08-22 21:01:38,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 389 states. [2024-08-22 21:01:38,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 408 states. [2024-08-22 21:01:38,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 305 states. [2024-08-22 21:01:38,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 310 states. [2024-08-22 21:01:38,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 422 states. [2024-08-22 21:01:38,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 425 states. [2024-08-22 21:01:38,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-08-22 21:01:38,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2024-08-22 21:01:38,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 329 states. [2024-08-22 21:01:38,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 375 states. [2024-08-22 21:01:38,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-08-22 21:01:38,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-08-22 21:01:38,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 363 states. [2024-08-22 21:01:38,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-08-22 21:01:38,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 21:01:38,744 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 21:01:38,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 21:01:38,745 INFO L85 PathProgramCache]: Analyzing trace with hash -942769980, now seen corresponding path program 16 times [2024-08-22 21:01:38,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 21:01:38,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282469729] [2024-08-22 21:01:38,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 21:01:38,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 21:01:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 21:01:39,374 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:01:39,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 21:01:39,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282469729] [2024-08-22 21:01:39,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282469729] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 21:01:39,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572274687] [2024-08-22 21:01:39,374 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-22 21:01:39,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 21:01:39,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 21:01:39,375 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) [2024-08-22 21:01:39,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-08-22 21:01:39,433 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-22 21:01:39,433 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 21:01:39,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-22 21:01:39,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 21:01:40,442 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 21 proven. 127 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:01:40,442 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 21:01:41,748 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:01:41,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572274687] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 21:01:41,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 21:01:41,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-22 21:01:41,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227643801] [2024-08-22 21:01:41,749 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 21:01:41,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-22 21:01:41,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 21:01:41,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-22 21:01:41,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=715, Invalid=6425, Unknown=0, NotChecked=0, Total=7140 [2024-08-22 21:01:41,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:01:41,750 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 21:01:41,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.164705882352941) internal successors, (184), 84 states have internal predecessors, (184), 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) [2024-08-22 21:01:41,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 21:01:41,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:01:41,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:01:41,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:01:41,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 21:01:41,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 379 states. [2024-08-22 21:01:41,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 389 states. [2024-08-22 21:01:41,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 408 states. [2024-08-22 21:01:41,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 305 states. [2024-08-22 21:01:41,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 310 states. [2024-08-22 21:01:41,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 422 states. [2024-08-22 21:01:41,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 425 states. [2024-08-22 21:01:41,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-08-22 21:01:41,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2024-08-22 21:01:41,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 329 states. [2024-08-22 21:01:41,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 375 states. [2024-08-22 21:01:41,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2024-08-22 21:01:41,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-08-22 21:01:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 363 states. [2024-08-22 21:01:41,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:02:28,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 21:02:28,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:02:28,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:02:28,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:02:28,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 21:02:28,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 382 states. [2024-08-22 21:02:28,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 391 states. [2024-08-22 21:02:28,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 418 states. [2024-08-22 21:02:28,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 309 states. [2024-08-22 21:02:28,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 327 states. [2024-08-22 21:02:28,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 425 states. [2024-08-22 21:02:28,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 425 states. [2024-08-22 21:02:28,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-08-22 21:02:28,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2024-08-22 21:02:28,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 329 states. [2024-08-22 21:02:28,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 375 states. [2024-08-22 21:02:28,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-08-22 21:02:28,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-08-22 21:02:28,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 366 states. [2024-08-22 21:02:28,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 339 states. [2024-08-22 21:02:28,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-08-22 21:02:29,147 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,SelfDestructingSolverStorable19 [2024-08-22 21:02:29,147 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 21:02:29,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 21:02:29,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1427441742, now seen corresponding path program 17 times [2024-08-22 21:02:29,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 21:02:29,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241860300] [2024-08-22 21:02:29,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 21:02:29,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 21:02:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 21:02:29,751 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:02:29,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 21:02:29,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241860300] [2024-08-22 21:02:29,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241860300] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 21:02:29,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186825627] [2024-08-22 21:02:29,751 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-22 21:02:29,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 21:02:29,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 21:02:29,753 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) [2024-08-22 21:02:29,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-08-22 21:02:29,811 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-08-22 21:02:29,811 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 21:02:29,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-22 21:02:29,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 21:02:30,778 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 15 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:02:30,778 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 21:02:32,001 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:02:32,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186825627] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 21:02:32,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 21:02:32,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-22 21:02:32,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627113833] [2024-08-22 21:02:32,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 21:02:32,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-22 21:02:32,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 21:02:32,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-22 21:02:32,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=720, Invalid=6420, Unknown=0, NotChecked=0, Total=7140 [2024-08-22 21:02:32,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:02:32,003 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 21:02:32,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.164705882352941) internal successors, (184), 84 states have internal predecessors, (184), 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) [2024-08-22 21:02:32,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 21:02:32,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:02:32,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:02:32,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:02:32,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 21:02:32,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 382 states. [2024-08-22 21:02:32,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 391 states. [2024-08-22 21:02:32,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 418 states. [2024-08-22 21:02:32,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 309 states. [2024-08-22 21:02:32,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 327 states. [2024-08-22 21:02:32,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 425 states. [2024-08-22 21:02:32,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 425 states. [2024-08-22 21:02:32,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-08-22 21:02:32,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2024-08-22 21:02:32,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 329 states. [2024-08-22 21:02:32,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 375 states. [2024-08-22 21:02:32,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2024-08-22 21:02:32,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-08-22 21:02:32,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 366 states. [2024-08-22 21:02:32,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 339 states. [2024-08-22 21:02:32,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:03:18,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 21:03:18,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:03:18,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:03:18,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:03:18,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 21:03:18,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 394 states. [2024-08-22 21:03:18,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 393 states. [2024-08-22 21:03:18,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 422 states. [2024-08-22 21:03:18,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 311 states. [2024-08-22 21:03:18,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 343 states. [2024-08-22 21:03:18,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 434 states. [2024-08-22 21:03:18,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 427 states. [2024-08-22 21:03:18,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-08-22 21:03:18,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2024-08-22 21:03:18,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 329 states. [2024-08-22 21:03:18,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 375 states. [2024-08-22 21:03:18,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-08-22 21:03:18,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-08-22 21:03:18,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 370 states. [2024-08-22 21:03:18,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 350 states. [2024-08-22 21:03:18,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2024-08-22 21:03:18,698 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-08-22 21:03:18,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 21:03:18,886 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 21:03:18,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 21:03:18,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1402435652, now seen corresponding path program 18 times [2024-08-22 21:03:18,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 21:03:18,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739299650] [2024-08-22 21:03:18,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 21:03:18,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 21:03:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 21:03:19,603 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:03:19,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 21:03:19,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739299650] [2024-08-22 21:03:19,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739299650] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 21:03:19,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839841529] [2024-08-22 21:03:19,604 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-22 21:03:19,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 21:03:19,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 21:03:19,605 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) [2024-08-22 21:03:19,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-08-22 21:03:19,663 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-08-22 21:03:19,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 21:03:19,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-22 21:03:19,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 21:03:20,611 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 21 proven. 127 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:03:20,611 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 21:03:21,750 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:03:21,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839841529] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 21:03:21,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 21:03:21,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-22 21:03:21,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327960011] [2024-08-22 21:03:21,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 21:03:21,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-22 21:03:21,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 21:03:21,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-22 21:03:21,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=680, Invalid=6460, Unknown=0, NotChecked=0, Total=7140 [2024-08-22 21:03:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:03:21,753 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 21:03:21,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.164705882352941) internal successors, (184), 84 states have internal predecessors, (184), 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) [2024-08-22 21:03:21,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 21:03:21,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:03:21,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:03:21,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:03:21,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 21:03:21,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 394 states. [2024-08-22 21:03:21,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 393 states. [2024-08-22 21:03:21,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 422 states. [2024-08-22 21:03:21,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 311 states. [2024-08-22 21:03:21,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 343 states. [2024-08-22 21:03:21,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 434 states. [2024-08-22 21:03:21,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 427 states. [2024-08-22 21:03:21,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-08-22 21:03:21,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2024-08-22 21:03:21,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 329 states. [2024-08-22 21:03:21,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 375 states. [2024-08-22 21:03:21,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-08-22 21:03:21,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-08-22 21:03:21,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 370 states. [2024-08-22 21:03:21,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 350 states. [2024-08-22 21:03:21,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2024-08-22 21:03:21,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:04:11,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 21:04:11,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:04:11,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:04:11,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:04:11,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 21:04:11,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 398 states. [2024-08-22 21:04:11,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 393 states. [2024-08-22 21:04:11,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 422 states. [2024-08-22 21:04:11,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 311 states. [2024-08-22 21:04:11,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 343 states. [2024-08-22 21:04:11,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 434 states. [2024-08-22 21:04:11,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 427 states. [2024-08-22 21:04:11,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-08-22 21:04:11,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2024-08-22 21:04:11,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 329 states. [2024-08-22 21:04:11,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 375 states. [2024-08-22 21:04:11,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-08-22 21:04:11,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-08-22 21:04:11,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 370 states. [2024-08-22 21:04:11,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 350 states. [2024-08-22 21:04:11,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2024-08-22 21:04:11,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 350 states. [2024-08-22 21:04:11,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-08-22 21:04:11,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-08-22 21:04:11,522 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 21:04:11,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 21:04:11,523 INFO L85 PathProgramCache]: Analyzing trace with hash -410337212, now seen corresponding path program 19 times [2024-08-22 21:04:11,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 21:04:11,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546274151] [2024-08-22 21:04:11,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 21:04:11,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 21:04:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 21:04:12,392 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:04:12,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 21:04:12,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546274151] [2024-08-22 21:04:12,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546274151] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 21:04:12,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546011245] [2024-08-22 21:04:12,392 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-22 21:04:12,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 21:04:12,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 21:04:12,393 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-22 21:04:12,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-08-22 21:04:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 21:04:12,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-22 21:04:12,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 21:04:13,434 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 21 proven. 127 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:04:13,434 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 21:04:14,620 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:04:14,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546011245] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 21:04:14,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 21:04:14,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-22 21:04:14,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004270657] [2024-08-22 21:04:14,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 21:04:14,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-22 21:04:14,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 21:04:14,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-22 21:04:14,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=676, Invalid=6464, Unknown=0, NotChecked=0, Total=7140 [2024-08-22 21:04:14,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:04:14,623 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 21:04:14,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.164705882352941) internal successors, (184), 84 states have internal predecessors, (184), 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) [2024-08-22 21:04:14,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 21:04:14,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:04:14,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:04:14,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:04:14,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 21:04:14,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 398 states. [2024-08-22 21:04:14,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 393 states. [2024-08-22 21:04:14,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 422 states. [2024-08-22 21:04:14,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 311 states. [2024-08-22 21:04:14,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 343 states. [2024-08-22 21:04:14,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 434 states. [2024-08-22 21:04:14,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 427 states. [2024-08-22 21:04:14,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-08-22 21:04:14,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2024-08-22 21:04:14,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 329 states. [2024-08-22 21:04:14,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 375 states. [2024-08-22 21:04:14,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-08-22 21:04:14,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-08-22 21:04:14,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 370 states. [2024-08-22 21:04:14,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 350 states. [2024-08-22 21:04:14,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2024-08-22 21:04:14,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 350 states. [2024-08-22 21:04:14,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:04:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 21:04:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:04:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:04:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:04:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-22 21:04:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 398 states. [2024-08-22 21:04:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 393 states. [2024-08-22 21:04:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 422 states. [2024-08-22 21:04:50,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 311 states. [2024-08-22 21:04:50,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 343 states. [2024-08-22 21:04:50,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 434 states. [2024-08-22 21:04:50,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 427 states. [2024-08-22 21:04:50,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-08-22 21:04:50,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2024-08-22 21:04:50,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 329 states. [2024-08-22 21:04:50,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 375 states. [2024-08-22 21:04:50,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2024-08-22 21:04:50,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-08-22 21:04:50,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 370 states. [2024-08-22 21:04:50,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 350 states. [2024-08-22 21:04:50,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2024-08-22 21:04:50,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 356 states. [2024-08-22 21:04:50,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 319 states. [2024-08-22 21:04:50,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-08-22 21:04:50,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-08-22 21:04:50,999 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 21:04:51,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 21:04:51,000 INFO L85 PathProgramCache]: Analyzing trace with hash 859539908, now seen corresponding path program 20 times [2024-08-22 21:04:51,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 21:04:51,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442667870] [2024-08-22 21:04:51,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 21:04:51,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 21:04:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 21:04:51,675 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:04:51,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 21:04:51,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442667870] [2024-08-22 21:04:51,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442667870] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 21:04:51,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159113161] [2024-08-22 21:04:51,676 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-22 21:04:51,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 21:04:51,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 21:04:51,677 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-22 21:04:51,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-08-22 21:04:51,737 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-22 21:04:51,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-22 21:04:51,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 57 conjunts are in the unsatisfiable core [2024-08-22 21:04:51,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 21:04:52,732 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 15 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:04:52,732 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 21:04:54,046 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:04:54,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159113161] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 21:04:54,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 21:04:54,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 84 [2024-08-22 21:04:54,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858490559] [2024-08-22 21:04:54,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 21:04:54,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-08-22 21:04:54,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 21:04:54,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-08-22 21:04:54,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=678, Invalid=6462, Unknown=0, NotChecked=0, Total=7140 [2024-08-22 21:04:54,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:04:54,047 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 21:04:54,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.164705882352941) internal successors, (184), 84 states have internal predecessors, (184), 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) [2024-08-22 21:04:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 21:04:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:04:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:04:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-22 21:04:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-22 21:04:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 398 states. [2024-08-22 21:04:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 393 states. [2024-08-22 21:04:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 422 states. [2024-08-22 21:04:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 311 states. [2024-08-22 21:04:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 343 states. [2024-08-22 21:04:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 434 states. [2024-08-22 21:04:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 427 states. [2024-08-22 21:04:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-08-22 21:04:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2024-08-22 21:04:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 329 states. [2024-08-22 21:04:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 375 states. [2024-08-22 21:04:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 254 states. [2024-08-22 21:04:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-08-22 21:04:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 370 states. [2024-08-22 21:04:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 350 states. [2024-08-22 21:04:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2024-08-22 21:04:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 356 states. [2024-08-22 21:04:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 319 states. [2024-08-22 21:04:54,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15