./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-bad-counter-queue2.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-bad-counter-queue2.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 08:52:48,173 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 08:52:48,242 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 08:52:48,246 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 08:52:48,249 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 08:52:48,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 08:52:48,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 08:52:48,274 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 08:52:48,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 08:52:48,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 08:52:48,276 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 08:52:48,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 08:52:48,276 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 08:52:48,277 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 08:52:48,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 08:52:48,277 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 08:52:48,278 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 08:52:48,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 08:52:48,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 08:52:48,279 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 08:52:48,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 08:52:48,280 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 08:52:48,280 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 08:52:48,280 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 08:52:48,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 08:52:48,286 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 08:52:48,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 08:52:48,287 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 08:52:48,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 08:52:48,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 08:52:48,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 08:52:48,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 08:52:48,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 08:52:48,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 08:52:48,288 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 08:52:48,289 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 08:52:48,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 08:52:48,290 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 08:52:48,291 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 08:52:48,291 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 08:52:48,291 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 08:52:48,292 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 08:52:48,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 08:52:48,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 08:52:48,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 08:52:48,570 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 08:52:48,570 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 08:52:48,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c [2024-09-08 08:52:50,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 08:52:50,289 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 08:52:50,290 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c [2024-09-08 08:52:50,297 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cc1f9e273/d13a32f6c6c3432c8b204d89658b2d7e/FLAG6c883ef1c [2024-09-08 08:52:50,310 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cc1f9e273/d13a32f6c6c3432c8b204d89658b2d7e [2024-09-08 08:52:50,313 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 08:52:50,314 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 08:52:50,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-bad-counter-queue2.wvr.yml/witness.yml [2024-09-08 08:52:50,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 08:52:50,390 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 08:52:50,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 08:52:50,392 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 08:52:50,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 08:52:50,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 08:52:50" (1/2) ... [2024-09-08 08:52:50,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@157a7986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:52:50, skipping insertion in model container [2024-09-08 08:52:50,399 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 08:52:50" (1/2) ... [2024-09-08 08:52:50,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f8a7fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:52:50, skipping insertion in model container [2024-09-08 08:52:50,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 08:52:50" (2/2) ... [2024-09-08 08:52:50,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@157a7986 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:52:50, skipping insertion in model container [2024-09-08 08:52:50,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 08:52:50" (2/2) ... [2024-09-08 08:52:50,419 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 08:52:50,420 INFO L1541 ArrayList]: Location invariant before [L77-L77] ! multithreaded || ((((2147483648LL + (long long )N) + (long long )counter >= 0LL && (3221225471LL - (long long )N) + (long long )counter >= 0LL) && (2147483647LL + (long long )N) - (long long )counter >= 0LL) && (3221225470LL - (long long )N) - (long long )counter >= 0LL) [2024-09-08 08:52:50,420 INFO L1541 ArrayList]: Location invariant before [L76-L76] ! multithreaded || ((((2147483648LL + (long long )N) + (long long )counter >= 0LL && (3221225471LL - (long long )N) + (long long )counter >= 0LL) && (2147483647LL + (long long )N) - (long long )counter >= 0LL) && (3221225470LL - (long long )N) - (long long )counter >= 0LL) [2024-09-08 08:52:50,420 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 08:52:50,421 INFO L1541 ArrayList]: ghost_update [L75-L75] multithreaded = 1; [2024-09-08 08:52:50,443 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 08:52:50,667 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c[2297,2310] [2024-09-08 08:52:50,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 08:52:50,694 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 08:52:50,773 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c[2297,2310] [2024-09-08 08:52:50,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 08:52:50,808 INFO L204 MainTranslator]: Completed translation [2024-09-08 08:52:50,809 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:52:50 WrapperNode [2024-09-08 08:52:50,810 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 08:52:50,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 08:52:50,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 08:52:50,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 08:52:50,818 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 08.09 08:52:50" (1/1) ... [2024-09-08 08:52:50,831 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 08.09 08:52:50" (1/1) ... [2024-09-08 08:52:50,863 INFO L138 Inliner]: procedures = 25, calls = 26, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 139 [2024-09-08 08:52:50,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 08:52:50,866 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 08:52:50,866 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 08:52:50,866 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 08:52:50,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:52:50" (1/1) ... [2024-09-08 08:52:50,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:52:50" (1/1) ... [2024-09-08 08:52:50,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:52:50" (1/1) ... [2024-09-08 08:52:50,881 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:52:50" (1/1) ... [2024-09-08 08:52:50,890 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:52:50" (1/1) ... [2024-09-08 08:52:50,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:52:50" (1/1) ... [2024-09-08 08:52:50,900 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:52:50" (1/1) ... [2024-09-08 08:52:50,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:52:50" (1/1) ... [2024-09-08 08:52:50,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 08:52:50,909 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 08:52:50,910 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 08:52:50,910 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 08:52:50,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:52:50" (1/1) ... [2024-09-08 08:52:50,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 08:52:50,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:52:50,952 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) [2024-09-08 08:52:50,954 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 [2024-09-08 08:52:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 08:52:51,000 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-08 08:52:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-08 08:52:51,000 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-08 08:52:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-08 08:52:51,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 08:52:51,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-08 08:52:51,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-08 08:52:51,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-08 08:52:51,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-08 08:52:51,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 08:52:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 08:52:51,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-08 08:52:51,007 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 08:52:51,091 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 08:52:51,093 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 08:52:51,370 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 08:52:51,370 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 08:52:51,588 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 08:52:51,589 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-08 08:52:51,589 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 08:52:51 BoogieIcfgContainer [2024-09-08 08:52:51,590 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 08:52:51,592 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 08:52:51,592 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 08:52:51,596 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 08:52:51,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 08:52:50" (1/4) ... [2024-09-08 08:52:51,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5990b18d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 08:52:51, skipping insertion in model container [2024-09-08 08:52:51,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 08:52:50" (2/4) ... [2024-09-08 08:52:51,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5990b18d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 08:52:51, skipping insertion in model container [2024-09-08 08:52:51,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:52:50" (3/4) ... [2024-09-08 08:52:51,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5990b18d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 08:52:51, skipping insertion in model container [2024-09-08 08:52:51,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 08:52:51" (4/4) ... [2024-09-08 08:52:51,599 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue2.wvr.c [2024-09-08 08:52:51,617 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 08:52:51,617 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-09-08 08:52:51,617 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 08:52:51,661 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-09-08 08:52:51,707 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 08:52:51,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 08:52:51,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:52:51,710 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) [2024-09-08 08:52:51,711 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 [2024-09-08 08:52:51,740 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 08:52:51,751 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 08:52:51,757 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@2dfe5dff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 08:52:51,759 INFO L337 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-09-08 08:52:51,840 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 08:52:51,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:52:51,848 INFO L85 PathProgramCache]: Analyzing trace with hash -137435922, now seen corresponding path program 1 times [2024-09-08 08:52:51,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:52:51,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189373556] [2024-09-08 08:52:51,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:52:51,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:52:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:52:52,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:52:52,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:52:52,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189373556] [2024-09-08 08:52:52,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189373556] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:52:52,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 08:52:52,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 08:52:52,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526334753] [2024-09-08 08:52:52,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:52:52,373 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 08:52:52,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:52:52,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 08:52:52,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-08 08:52:52,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:52:52,404 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:52:52,405 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-09-08 08:52:52,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:52:52,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:52:52,563 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 08:52:52,564 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 08:52:52,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:52:52,564 INFO L85 PathProgramCache]: Analyzing trace with hash 475267903, now seen corresponding path program 1 times [2024-09-08 08:52:52,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:52:52,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769876465] [2024-09-08 08:52:52,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:52:52,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:52:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:52:52,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 08:52:52,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:52:52,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769876465] [2024-09-08 08:52:52,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769876465] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:52:52,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 08:52:52,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 08:52:52,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689658526] [2024-09-08 08:52:52,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:52:52,804 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 08:52:52,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:52:52,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 08:52:52,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-08 08:52:52,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:52:52,806 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:52:52,806 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:52:52,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:52:52,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:52:52,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:52:52,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:52:52,911 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-08 08:52:52,911 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 08:52:52,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:52:52,912 INFO L85 PathProgramCache]: Analyzing trace with hash 71132932, now seen corresponding path program 1 times [2024-09-08 08:52:52,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:52:52,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512812343] [2024-09-08 08:52:52,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:52:52,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:52:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:52:53,686 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:52:53,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:52:53,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512812343] [2024-09-08 08:52:53,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512812343] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:52:53,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092509238] [2024-09-08 08:52:53,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:52:53,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:52:53,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:52:53,713 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) [2024-09-08 08:52:53,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-08 08:52:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:52:53,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-09-08 08:52:53,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:52:53,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 08:52:53,948 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:52:54,019 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 08:52:54,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 14 [2024-09-08 08:52:54,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 08:52:54,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092509238] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:52:54,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:52:54,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2024-09-08 08:52:54,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089369794] [2024-09-08 08:52:54,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:52:54,111 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-09-08 08:52:54,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:52:54,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-09-08 08:52:54,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2024-09-08 08:52:54,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:52:54,112 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:52:54,113 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.25) internal successors, (52), 15 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:52:54,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:52:54,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:52:54,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:52:54,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:52:54,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:52:54,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:52:54,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-08 08:52:54,562 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-09-08 08:52:54,563 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 08:52:54,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:52:54,564 INFO L85 PathProgramCache]: Analyzing trace with hash 817758633, now seen corresponding path program 2 times [2024-09-08 08:52:54,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:52:54,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15165366] [2024-09-08 08:52:54,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:52:54,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:52:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:52:54,724 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 08:52:54,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:52:54,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15165366] [2024-09-08 08:52:54,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15165366] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:52:54,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446163385] [2024-09-08 08:52:54,725 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 08:52:54,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:52:54,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:52:54,728 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) [2024-09-08 08:52:54,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-08 08:52:54,822 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 08:52:54,823 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:52:54,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-08 08:52:54,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:52:54,954 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 08:52:54,954 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:52:55,067 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 08:52:55,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446163385] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:52:55,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:52:55,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-09-08 08:52:55,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110292347] [2024-09-08 08:52:55,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:52:55,069 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-09-08 08:52:55,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:52:55,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-09-08 08:52:55,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-09-08 08:52:55,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:52:55,072 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:52:55,072 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.5) internal successors, (63), 13 states have internal predecessors, (63), 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) [2024-09-08 08:52:55,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:52:55,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:52:55,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:52:55,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:52:55,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:52:55,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:52:55,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:52:55,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:52:55,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-09-08 08:52:55,358 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:52:55,359 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 08:52:55,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:52:55,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1163314756, now seen corresponding path program 3 times [2024-09-08 08:52:55,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:52:55,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649628175] [2024-09-08 08:52:55,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:52:55,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:52:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:52:56,445 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:52:56,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:52:56,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649628175] [2024-09-08 08:52:56,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649628175] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:52:56,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015341112] [2024-09-08 08:52:56,447 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 08:52:56,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:52:56,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:52:56,449 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) [2024-09-08 08:52:56,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-08 08:52:56,532 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-09-08 08:52:56,532 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:52:56,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-09-08 08:52:56,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:52:57,010 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 08:52:57,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 14 [2024-09-08 08:52:57,206 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:52:57,207 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:52:57,661 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 08:52:57,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 63 [2024-09-08 08:52:58,338 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:52:58,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015341112] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:52:58,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:52:58,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17, 17] total 42 [2024-09-08 08:52:58,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045989431] [2024-09-08 08:52:58,342 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:52:58,342 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-09-08 08:52:58,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:52:58,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-09-08 08:52:58,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=1497, Unknown=0, NotChecked=0, Total=1806 [2024-09-08 08:52:58,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:52:58,346 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:52:58,346 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 1.8372093023255813) internal successors, (79), 42 states have internal predecessors, (79), 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) [2024-09-08 08:52:58,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:52:58,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:52:58,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:52:58,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:52:58,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:52:59,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:52:59,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:52:59,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:52:59,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:52:59,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:52:59,702 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-08 08:52:59,890 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:52:59,891 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 08:52:59,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:52:59,891 INFO L85 PathProgramCache]: Analyzing trace with hash 614658281, now seen corresponding path program 4 times [2024-09-08 08:52:59,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:52:59,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695145001] [2024-09-08 08:52:59,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:52:59,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:52:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:53:00,058 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:53:00,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:53:00,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695145001] [2024-09-08 08:53:00,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695145001] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:53:00,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391263396] [2024-09-08 08:53:00,060 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-08 08:53:00,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:53:00,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:53:00,062 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) [2024-09-08 08:53:00,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-08 08:53:00,142 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-08 08:53:00,143 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:53:00,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-08 08:53:00,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:53:00,278 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 08:53:00,278 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:53:00,396 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 08:53:00,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391263396] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:53:00,400 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:53:00,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2024-09-08 08:53:00,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676807616] [2024-09-08 08:53:00,401 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:53:00,401 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-09-08 08:53:00,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:53:00,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-09-08 08:53:00,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2024-09-08 08:53:00,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:53:00,403 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:53:00,403 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.333333333333333) internal successors, (91), 20 states have internal predecessors, (91), 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) [2024-09-08 08:53:00,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:53:00,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:53:00,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:53:00,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:53:00,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:53:00,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:53:00,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:53:00,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:53:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:53:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:53:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:53:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:53:00,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-09-08 08:53:00,737 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-09-08 08:53:00,737 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 08:53:00,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:53:00,737 INFO L85 PathProgramCache]: Analyzing trace with hash -2135173138, now seen corresponding path program 5 times [2024-09-08 08:53:00,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:53:00,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14292314] [2024-09-08 08:53:00,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:53:00,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:53:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:53:02,174 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:53:02,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:53:02,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14292314] [2024-09-08 08:53:02,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14292314] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:53:02,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658909916] [2024-09-08 08:53:02,176 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-08 08:53:02,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:53:02,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:53:02,178 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) [2024-09-08 08:53:02,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-08 08:53:02,273 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-09-08 08:53:02,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:53:02,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-09-08 08:53:02,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:53:02,635 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-08 08:53:02,635 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:53:02,961 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 08:53:02,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 62 treesize of output 95 [2024-09-08 08:53:03,193 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-08 08:53:03,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658909916] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:53:03,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:53:03,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 13, 13] total 41 [2024-09-08 08:53:03,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831967981] [2024-09-08 08:53:03,194 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:53:03,194 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-09-08 08:53:03,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:53:03,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-09-08 08:53:03,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=1537, Unknown=0, NotChecked=0, Total=1722 [2024-09-08 08:53:03,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:53:03,197 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:53:03,197 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 2.1666666666666665) internal successors, (91), 41 states have internal predecessors, (91), 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) [2024-09-08 08:53:03,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:53:03,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:53:03,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:53:03,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:53:03,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:53:03,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:53:03,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:53:04,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:53:04,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:53:04,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:53:04,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:53:04,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:53:04,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:53:04,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 08:53:04,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-09-08 08:53:05,142 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:53:05,143 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 08:53:05,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:53:05,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1348214243, now seen corresponding path program 6 times [2024-09-08 08:53:05,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:53:05,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371719756] [2024-09-08 08:53:05,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:53:05,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:53:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:53:05,615 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 62 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:53:05,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:53:05,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371719756] [2024-09-08 08:53:05,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371719756] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:53:05,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749499803] [2024-09-08 08:53:05,616 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-08 08:53:05,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:53:05,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:53:05,619 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) [2024-09-08 08:53:05,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-08 08:53:05,730 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-09-08 08:53:05,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:53:05,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-08 08:53:05,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:53:06,046 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 101 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 08:53:06,046 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:53:06,399 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 101 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 08:53:06,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749499803] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:53:06,400 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:53:06,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 12, 12] total 40 [2024-09-08 08:53:06,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090657786] [2024-09-08 08:53:06,400 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:53:06,401 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-09-08 08:53:06,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:53:06,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-09-08 08:53:06,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=1341, Unknown=0, NotChecked=0, Total=1640 [2024-09-08 08:53:06,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:53:06,404 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:53:06,404 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 3.658536585365854) internal successors, (150), 40 states have internal predecessors, (150), 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) [2024-09-08 08:53:06,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:53:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:53:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:53:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:53:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:53:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:53:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-08 08:53:06,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:53:06,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:53:06,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:53:06,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:53:06,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:53:06,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:53:06,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:53:06,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 08:53:06,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:53:06,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-09-08 08:53:06,808 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-09-08 08:53:06,808 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 08:53:06,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:53:06,809 INFO L85 PathProgramCache]: Analyzing trace with hash 246094744, now seen corresponding path program 7 times [2024-09-08 08:53:06,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:53:06,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295578666] [2024-09-08 08:53:06,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:53:06,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:53:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:53:10,964 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 6 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:53:10,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:53:10,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295578666] [2024-09-08 08:53:10,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295578666] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:53:10,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408711361] [2024-09-08 08:53:10,965 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-08 08:53:10,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:53:10,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:53:10,967 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) [2024-09-08 08:53:10,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-08 08:53:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:53:11,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-09-08 08:53:11,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:53:12,085 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-08 08:53:12,085 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:53:13,559 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 08:53:13,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 122 treesize of output 365 [2024-09-08 08:53:16,281 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-08 08:53:16,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408711361] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:53:16,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:53:16,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 25, 25] total 80 [2024-09-08 08:53:16,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819385884] [2024-09-08 08:53:16,282 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:53:16,282 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-09-08 08:53:16,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:53:16,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-09-08 08:53:16,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=584, Invalid=5896, Unknown=0, NotChecked=0, Total=6480 [2024-09-08 08:53:16,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:53:16,289 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:53:16,289 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 1.8271604938271604) internal successors, (148), 80 states have internal predecessors, (148), 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) [2024-09-08 08:53:16,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:53:16,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:53:16,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:53:16,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:53:16,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:53:16,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:53:16,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-08 08:53:16,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:53:16,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:53:22,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:53:22,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:53:22,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:53:22,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:53:22,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:53:22,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:53:22,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 08:53:22,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:53:22,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-09-08 08:53:22,483 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-08 08:53:22,671 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:53:22,671 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 08:53:22,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:53:22,672 INFO L85 PathProgramCache]: Analyzing trace with hash -622750410, now seen corresponding path program 8 times [2024-09-08 08:53:22,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:53:22,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739551038] [2024-09-08 08:53:22,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:53:22,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:53:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:53:23,877 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 326 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:53:23,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:53:23,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739551038] [2024-09-08 08:53:23,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739551038] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:53:23,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861151610] [2024-09-08 08:53:23,879 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 08:53:23,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:53:23,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:53:23,881 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) [2024-09-08 08:53:23,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-08 08:53:24,020 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 08:53:24,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:53:24,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-09-08 08:53:24,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:53:24,474 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 324 proven. 21 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-09-08 08:53:24,475 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:53:24,916 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 324 proven. 21 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-09-08 08:53:24,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861151610] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:53:24,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:53:24,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 16, 16] total 62 [2024-09-08 08:53:24,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919623276] [2024-09-08 08:53:24,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:53:24,917 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-09-08 08:53:24,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:53:24,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-09-08 08:53:24,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=634, Invalid=3272, Unknown=0, NotChecked=0, Total=3906 [2024-09-08 08:53:24,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:53:24,921 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:53:24,921 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 3.2698412698412698) internal successors, (206), 62 states have internal predecessors, (206), 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) [2024-09-08 08:53:24,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:53:24,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:53:24,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:53:24,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:53:24,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:53:24,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:53:24,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-08 08:53:24,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:53:24,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-09-08 08:53:24,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:53:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:53:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:53:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:53:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:53:25,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:53:25,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:53:25,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 08:53:25,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:53:25,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-09-08 08:53:25,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:53:25,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-09-08 08:53:25,299 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-09-08 08:53:25,300 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 08:53:25,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:53:25,300 INFO L85 PathProgramCache]: Analyzing trace with hash -934757381, now seen corresponding path program 9 times [2024-09-08 08:53:25,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:53:25,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775538416] [2024-09-08 08:53:25,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:53:25,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:53:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:53:26,255 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 326 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:53:26,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:53:26,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775538416] [2024-09-08 08:53:26,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775538416] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:53:26,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360383724] [2024-09-08 08:53:26,256 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 08:53:26,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:53:26,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:53:26,258 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) [2024-09-08 08:53:26,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-08 08:53:26,412 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-09-08 08:53:26,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:53:26,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-09-08 08:53:26,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:53:27,115 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 419 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 08:53:27,115 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:53:27,785 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 419 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 08:53:27,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360383724] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:53:27,785 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:53:27,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 22, 22] total 76 [2024-09-08 08:53:27,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239607326] [2024-09-08 08:53:27,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:53:27,786 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-09-08 08:53:27,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:53:27,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-09-08 08:53:27,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1015, Invalid=4837, Unknown=0, NotChecked=0, Total=5852 [2024-09-08 08:53:27,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:53:27,790 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:53:27,793 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 3.5064935064935066) internal successors, (270), 76 states have internal predecessors, (270), 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) [2024-09-08 08:53:27,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:53:27,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:53:27,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:53:27,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:53:27,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:53:27,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:53:27,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-08 08:53:27,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:53:27,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-09-08 08:53:27,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:53:27,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:53:27,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:53:27,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:53:27,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:53:27,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:53:27,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:53:27,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:53:27,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 08:53:27,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:53:27,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-09-08 08:53:27,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:53:27,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:53:27,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-09-08 08:53:28,173 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-09-08 08:53:28,173 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 08:53:28,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:53:28,174 INFO L85 PathProgramCache]: Analyzing trace with hash 375334678, now seen corresponding path program 10 times [2024-09-08 08:53:28,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:53:28,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543140178] [2024-09-08 08:53:28,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:53:28,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:53:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:53:40,216 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 45 proven. 453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:53:40,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:53:40,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543140178] [2024-09-08 08:53:40,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543140178] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:53:40,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172983562] [2024-09-08 08:53:40,217 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-08 08:53:40,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:53:40,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:53:40,219 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) [2024-09-08 08:53:40,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-09-08 08:53:40,361 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-08 08:53:40,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:53:40,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 147 conjuncts are in the unsatisfiable core [2024-09-08 08:53:40,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:53:43,100 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-09-08 08:53:43,100 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:53:51,621 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 08:53:51,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 242 treesize of output 1445 [2024-09-08 08:54:34,875 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-09-08 08:54:34,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172983562] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:54:34,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:54:34,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 49, 49] total 158 [2024-09-08 08:54:34,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326362175] [2024-09-08 08:54:34,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:54:34,876 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 159 states [2024-09-08 08:54:34,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:54:34,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2024-09-08 08:54:34,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2057, Invalid=23065, Unknown=0, NotChecked=0, Total=25122 [2024-09-08 08:54:34,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:54:34,883 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:54:34,884 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 159 states, 159 states have (on average 1.6477987421383649) internal successors, (262), 158 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:54:34,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:54:34,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:54:34,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:54:34,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:54:34,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:54:34,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:54:34,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-08 08:54:34,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:54:34,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-09-08 08:54:34,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:54:34,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:54:34,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:55:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:55:02,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:55:02,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:55:02,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:55:02,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:55:02,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:55:02,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 08:55:02,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:55:02,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-09-08 08:55:02,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:55:02,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:55:02,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-09-08 08:55:02,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-09-08 08:55:02,570 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:55:02,570 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 08:55:02,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:55:02,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1491020462, now seen corresponding path program 11 times [2024-09-08 08:55:02,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:55:02,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379992133] [2024-09-08 08:55:02,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:55:02,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:55:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:55:05,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 1502 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:55:05,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:55:05,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379992133] [2024-09-08 08:55:05,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379992133] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:55:05,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151957090] [2024-09-08 08:55:05,223 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-08 08:55:05,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:55:05,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:55:05,224 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) [2024-09-08 08:55:05,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-09-08 08:55:05,997 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) [2024-09-08 08:55:05,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:55:06,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-09-08 08:55:06,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:55:07,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 1704 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:55:07,779 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:55:09,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 1704 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:55:09,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151957090] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:55:09,774 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:55:09,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 39, 39] total 139 [2024-09-08 08:55:09,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419532325] [2024-09-08 08:55:09,774 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:55:09,775 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 140 states [2024-09-08 08:55:09,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:55:09,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2024-09-08 08:55:09,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3433, Invalid=16027, Unknown=0, NotChecked=0, Total=19460 [2024-09-08 08:55:09,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:55:09,781 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:55:09,782 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 140 states, 140 states have (on average 3.6) internal successors, (504), 139 states have internal predecessors, (504), 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) [2024-09-08 08:55:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:55:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:55:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:55:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:55:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:55:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:55:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-08 08:55:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:55:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-09-08 08:55:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:55:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:55:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-09-08 08:55:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:55:09,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:55:09,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:55:09,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:55:09,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:55:09,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:55:09,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:55:09,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 08:55:09,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:55:09,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-09-08 08:55:09,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:55:09,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:55:09,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-09-08 08:55:09,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-08 08:55:09,980 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-09-08 08:55:10,159 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-09-08 08:55:10,160 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 08:55:10,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:55:10,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1817345774, now seen corresponding path program 12 times [2024-09-08 08:55:10,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:55:10,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790853562] [2024-09-08 08:55:10,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:55:10,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:55:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:55:51,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 231 proven. 1773 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:55:51,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:55:51,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790853562] [2024-09-08 08:55:51,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790853562] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:55:51,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217888473] [2024-09-08 08:55:51,674 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-08 08:55:51,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:55:51,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:55:51,676 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) [2024-09-08 08:55:51,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-09-08 08:55:53,128 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2024-09-08 08:55:53,128 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:55:53,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 870 conjuncts, 376 conjuncts are in the unsatisfiable core [2024-09-08 08:55:53,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:55:54,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-09-08 08:55:54,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-09-08 08:55:54,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-09-08 08:55:54,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-09-08 08:55:54,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-09-08 08:55:54,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-09-08 08:55:54,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-09-08 08:55:55,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-09-08 08:55:55,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-09-08 08:55:55,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-09-08 08:56:28,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:28,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:29,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:56:35,299 WARN L293 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 618 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-09-08 08:56:35,300 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 08:56:35,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 44 select indices, 44 select index equivalence classes, 693 disjoint index pairs (out of 946 index pairs), introduced 44 new quantified variables, introduced 946 case distinctions, treesize of input 310 treesize of output 2073 [2024-09-08 08:56:54,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 0 proven. 2004 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:56:54,358 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:57:34,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 0 proven. 2004 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:57:34,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217888473] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:57:34,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:57:34,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [125, 128, 128] total 377 [2024-09-08 08:57:34,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366124442] [2024-09-08 08:57:34,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:57:34,418 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 378 states [2024-09-08 08:57:34,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:57:34,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 378 interpolants. [2024-09-08 08:57:34,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19366, Invalid=123140, Unknown=0, NotChecked=0, Total=142506 [2024-09-08 08:57:34,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:57:34,432 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:57:34,433 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 378 states, 378 states have (on average 1.4603174603174602) internal successors, (552), 377 states have internal predecessors, (552), 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) [2024-09-08 08:57:34,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:34,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:34,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:57:34,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:57:34,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:57:34,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:57:34,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-08 08:57:34,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:57:34,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-09-08 08:57:34,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:57:34,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:57:34,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-09-08 08:57:34,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-08 08:57:34,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:58:13,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:58:13,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:58:13,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:58:13,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:58:13,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:58:13,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:58:13,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 08:58:13,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:58:13,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-09-08 08:58:13,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 08:58:13,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:58:13,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-09-08 08:58:13,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-08 08:58:13,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2024-09-08 08:58:13,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-09-08 08:58:13,243 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-09-08 08:58:13,243 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 08:58:13,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:58:13,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1977877500, now seen corresponding path program 13 times [2024-09-08 08:58:13,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:58:13,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831844186] [2024-09-08 08:58:13,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:58:13,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:58:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:58:58,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2175 backedges. 253 proven. 1922 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:58:58,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:58:58,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831844186] [2024-09-08 08:58:58,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831844186] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:58:58,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172340064] [2024-09-08 08:58:58,915 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-08 08:58:58,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:58:58,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:58:58,916 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) [2024-09-08 08:58:58,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-09-08 08:58:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:58:59,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 303 conjuncts are in the unsatisfiable core [2024-09-08 08:58:59,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:59:09,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2175 backedges. 0 proven. 1850 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-09-08 08:59:09,838 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 09:00:42,776 WARN L293 SmtUtils]: Spent 47.59s on a formula simplification that was a NOOP. DAG size: 2049 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-09-08 09:00:42,777 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 09:00:42,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 50 select indices, 50 select index equivalence classes, 0 disjoint index pairs (out of 1225 index pairs), introduced 50 new quantified variables, introduced 1225 case distinctions, treesize of input 502 treesize of output 6255 Killed by 15