./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 e94c40da 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-dev-e94c40d-m [2024-09-22 18:10:52,122 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-22 18:10:52,206 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-22 18:10:52,212 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-22 18:10:52,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-22 18:10:52,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-22 18:10:52,243 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-22 18:10:52,244 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-22 18:10:52,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-22 18:10:52,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-22 18:10:52,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-22 18:10:52,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-22 18:10:52,249 INFO L153 SettingsManager]: * Use SBE=true [2024-09-22 18:10:52,249 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-22 18:10:52,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-22 18:10:52,250 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-22 18:10:52,250 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-22 18:10:52,251 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-22 18:10:52,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-22 18:10:52,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-22 18:10:52,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-22 18:10:52,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-22 18:10:52,252 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-22 18:10:52,252 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-22 18:10:52,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-22 18:10:52,253 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-22 18:10:52,253 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-22 18:10:52,254 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-22 18:10:52,254 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-22 18:10:52,254 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-22 18:10:52,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 18:10:52,255 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-22 18:10:52,255 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-22 18:10:52,255 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-22 18:10:52,255 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-22 18:10:52,256 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-22 18:10:52,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-22 18:10:52,256 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-22 18:10:52,256 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-22 18:10:52,256 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-22 18:10:52,257 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-22 18:10:52,258 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-22 18:10:52,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-22 18:10:52,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-22 18:10:52,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-22 18:10:52,539 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-22 18:10:52,540 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-22 18:10:52,541 INFO L431 ainManager$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 [2024-09-22 18:10:52,614 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-22 18:10:52,615 INFO L274 PluginConnector]: CDTParser initialized [2024-09-22 18:10:52,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c [2024-09-22 18:10:54,019 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-22 18:10:54,221 INFO L384 CDTParser]: Found 1 translation units. [2024-09-22 18:10:54,222 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c [2024-09-22 18:10:54,229 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8aef6aebc/f2c7c32655fc49698414809b18a373ac/FLAG57dbe12e9 [2024-09-22 18:10:54,242 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8aef6aebc/f2c7c32655fc49698414809b18a373ac [2024-09-22 18:10:54,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-22 18:10:54,243 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-22 18:10:54,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-22 18:10:54,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-22 18:10:54,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-22 18:10:54,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 06:10:52" (1/2) ... [2024-09-22 18:10:54,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c2e03c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:10:54, skipping insertion in model container [2024-09-22 18:10:54,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 06:10:52" (1/2) ... [2024-09-22 18:10:54,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3a2deaf2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 06:10:54, skipping insertion in model container [2024-09-22 18:10:54,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 06:10:54" (2/2) ... [2024-09-22 18:10:54,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c2e03c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:10:54, skipping insertion in model container [2024-09-22 18:10:54,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 06:10:54" (2/2) ... [2024-09-22 18:10:54,287 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-22 18:10:54,288 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) [2024-09-22 18:10:54,288 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) [2024-09-22 18:10:54,289 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-22 18:10:54,289 INFO L1541 ArrayList]: ghost_update [L75-L75] multithreaded = 1; [2024-09-22 18:10:54,313 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-22 18:10:54,508 WARN L248 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] [2024-09-22 18:10:54,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 18:10:54,539 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-22 18:10:54,604 WARN L248 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] [2024-09-22 18:10:54,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 18:10:54,637 INFO L204 MainTranslator]: Completed translation [2024-09-22 18:10:54,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:10:54 WrapperNode [2024-09-22 18:10:54,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-22 18:10:54,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-22 18:10:54,638 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-22 18:10:54,638 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-22 18:10:54,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:10:54" (1/1) ... [2024-09-22 18:10:54,655 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:10:54" (1/1) ... [2024-09-22 18:10:54,684 INFO L138 Inliner]: procedures = 25, calls = 26, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 139 [2024-09-22 18:10:54,687 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-22 18:10:54,688 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-22 18:10:54,688 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-22 18:10:54,688 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-22 18:10:54,696 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:10:54" (1/1) ... [2024-09-22 18:10:54,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:10:54" (1/1) ... [2024-09-22 18:10:54,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:10:54" (1/1) ... [2024-09-22 18:10:54,703 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:10:54" (1/1) ... [2024-09-22 18:10:54,716 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:10:54" (1/1) ... [2024-09-22 18:10:54,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:10:54" (1/1) ... [2024-09-22 18:10:54,725 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:10:54" (1/1) ... [2024-09-22 18:10:54,727 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:10:54" (1/1) ... [2024-09-22 18:10:54,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-22 18:10:54,737 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-22 18:10:54,737 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-22 18:10:54,737 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-22 18:10:54,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:10:54" (1/1) ... [2024-09-22 18:10:54,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 18:10:54,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:10:54,771 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) [2024-09-22 18:10:54,774 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 [2024-09-22 18:10:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-22 18:10:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-22 18:10:54,815 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-22 18:10:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-22 18:10:54,815 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-22 18:10:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-22 18:10:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-22 18:10:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-22 18:10:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-22 18:10:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-22 18:10:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-22 18:10:54,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-22 18:10:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-22 18:10:54,818 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-22 18:10:54,898 INFO L242 CfgBuilder]: Building ICFG [2024-09-22 18:10:54,900 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-22 18:10:55,133 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-22 18:10:55,134 INFO L291 CfgBuilder]: Performing block encoding [2024-09-22 18:10:55,361 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-22 18:10:55,365 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-22 18:10:55,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 06:10:55 BoogieIcfgContainer [2024-09-22 18:10:55,366 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-22 18:10:55,368 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-22 18:10:55,368 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-22 18:10:55,373 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-22 18:10:55,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 06:10:52" (1/4) ... [2024-09-22 18:10:55,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@648398b5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.09 06:10:55, skipping insertion in model container [2024-09-22 18:10:55,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.09 06:10:54" (2/4) ... [2024-09-22 18:10:55,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@648398b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 06:10:55, skipping insertion in model container [2024-09-22 18:10:55,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 06:10:54" (3/4) ... [2024-09-22 18:10:55,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@648398b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 06:10:55, skipping insertion in model container [2024-09-22 18:10:55,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 06:10:55" (4/4) ... [2024-09-22 18:10:55,377 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue2.wvr.c [2024-09-22 18:10:55,394 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-22 18:10:55,394 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-09-22 18:10:55,394 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-22 18:10:55,444 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-09-22 18:10:55,485 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 18:10:55,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-22 18:10:55,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:10:55,506 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) [2024-09-22 18:10:55,511 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 [2024-09-22 18:10:55,576 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-22 18:10:55,589 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-22 18:10:55,599 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;@39593bc3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 18:10:55,599 INFO L337 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-09-22 18:10:55,697 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)] === [2024-09-22 18:10:55,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:10:55,703 INFO L85 PathProgramCache]: Analyzing trace with hash -137435922, now seen corresponding path program 1 times [2024-09-22 18:10:55,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:10:55,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003055344] [2024-09-22 18:10:55,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:10:55,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:10:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:10:56,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:10:56,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:10:56,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003055344] [2024-09-22 18:10:56,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003055344] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 18:10:56,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 18:10:56,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-22 18:10:56,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830248543] [2024-09-22 18:10:56,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 18:10:56,207 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-22 18:10:56,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:10:56,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-22 18:10:56,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-22 18:10:56,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:10:56,237 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:10:56,238 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) [2024-09-22 18:10:56,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:10:56,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:10:56,403 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-22 18:10:56,403 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)] === [2024-09-22 18:10:56,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:10:56,404 INFO L85 PathProgramCache]: Analyzing trace with hash 475267903, now seen corresponding path program 1 times [2024-09-22 18:10:56,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:10:56,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306911753] [2024-09-22 18:10:56,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:10:56,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:10:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:10:56,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 18:10:56,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:10:56,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306911753] [2024-09-22 18:10:56,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306911753] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 18:10:56,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 18:10:56,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-22 18:10:56,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90513756] [2024-09-22 18:10:56,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 18:10:56,639 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-22 18:10:56,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:10:56,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-22 18:10:56,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-22 18:10:56,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:10:56,643 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:10:56,643 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) [2024-09-22 18:10:56,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:10:56,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:10:56,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:10:56,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:10:56,762 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-22 18:10:56,763 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)] === [2024-09-22 18:10:56,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:10:56,763 INFO L85 PathProgramCache]: Analyzing trace with hash 71132932, now seen corresponding path program 1 times [2024-09-22 18:10:56,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:10:56,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816799923] [2024-09-22 18:10:56,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:10:56,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:10:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:10:57,414 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:10:57,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:10:57,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816799923] [2024-09-22 18:10:57,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816799923] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:10:57,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519424769] [2024-09-22 18:10:57,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:10:57,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:10:57,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:10:57,419 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) [2024-09-22 18:10:57,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-22 18:10:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:10:57,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-09-22 18:10:57,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:10:57,682 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 18:10:57,682 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:10:57,763 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-22 18:10:57,764 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 [2024-09-22 18:10:57,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 18:10:57,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519424769] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:10:57,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:10:57,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2024-09-22 18:10:57,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940963109] [2024-09-22 18:10:57,855 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:10:57,856 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-09-22 18:10:57,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:10:57,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-09-22 18:10:57,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2024-09-22 18:10:57,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:10:57,859 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:10:57,859 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) [2024-09-22 18:10:57,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:10:57,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:10:57,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:10:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:10:58,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:10:58,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:10:58,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-22 18:10:58,334 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 [2024-09-22 18:10:58,335 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)] === [2024-09-22 18:10:58,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:10:58,336 INFO L85 PathProgramCache]: Analyzing trace with hash 817758633, now seen corresponding path program 2 times [2024-09-22 18:10:58,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:10:58,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915383266] [2024-09-22 18:10:58,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:10:58,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:10:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:10:58,534 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 18:10:58,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:10:58,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915383266] [2024-09-22 18:10:58,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915383266] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:10:58,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094494164] [2024-09-22 18:10:58,535 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 18:10:58,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:10:58,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:10:58,537 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) [2024-09-22 18:10:58,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-22 18:10:58,617 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 18:10:58,618 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:10:58,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-22 18:10:58,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:10:58,719 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 18:10:58,719 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:10:58,790 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 18:10:58,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094494164] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:10:58,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:10:58,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-09-22 18:10:58,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968001074] [2024-09-22 18:10:58,791 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:10:58,792 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-09-22 18:10:58,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:10:58,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-09-22 18:10:58,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-09-22 18:10:58,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:10:58,793 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:10:58,793 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) [2024-09-22 18:10:58,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:10:58,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:10:58,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:10:58,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:10:58,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:10:58,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:10:58,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:10:58,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:10:58,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-22 18:10:59,075 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 [2024-09-22 18:10:59,076 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)] === [2024-09-22 18:10:59,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:10:59,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1163314756, now seen corresponding path program 3 times [2024-09-22 18:10:59,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:10:59,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371472828] [2024-09-22 18:10:59,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:10:59,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:10:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:00,171 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:11:00,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:11:00,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371472828] [2024-09-22 18:11:00,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371472828] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:11:00,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418898175] [2024-09-22 18:11:00,172 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-22 18:11:00,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:11:00,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:11:00,176 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) [2024-09-22 18:11:00,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-22 18:11:00,259 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-09-22 18:11:00,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:11:00,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-09-22 18:11:00,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:11:00,783 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-22 18:11:00,784 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 [2024-09-22 18:11:00,977 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:11:00,977 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:11:01,427 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-22 18:11:01,428 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 [2024-09-22 18:11:02,140 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:11:02,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418898175] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:11:02,141 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:11:02,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17, 17] total 42 [2024-09-22 18:11:02,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075663326] [2024-09-22 18:11:02,141 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:11:02,142 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-09-22 18:11:02,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:11:02,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-09-22 18:11:02,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=1497, Unknown=0, NotChecked=0, Total=1806 [2024-09-22 18:11:02,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:02,147 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:11:02,147 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) [2024-09-22 18:11:02,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:02,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:02,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:02,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:02,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:03,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:03,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:03,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:03,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:03,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:11:03,526 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-22 18:11:03,711 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 [2024-09-22 18:11:03,712 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)] === [2024-09-22 18:11:03,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:11:03,712 INFO L85 PathProgramCache]: Analyzing trace with hash 614658281, now seen corresponding path program 4 times [2024-09-22 18:11:03,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:11:03,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140153252] [2024-09-22 18:11:03,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:03,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:11:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:03,902 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:11:03,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:11:03,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140153252] [2024-09-22 18:11:03,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140153252] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:11:03,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199693787] [2024-09-22 18:11:03,903 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-22 18:11:03,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:11:03,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:11:03,905 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) [2024-09-22 18:11:03,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-22 18:11:03,989 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-22 18:11:03,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:11:03,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-22 18:11:03,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:11:04,126 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 18:11:04,127 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:11:04,260 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 18:11:04,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199693787] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:11:04,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:11:04,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2024-09-22 18:11:04,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64075649] [2024-09-22 18:11:04,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:11:04,262 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-09-22 18:11:04,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:11:04,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-09-22 18:11:04,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2024-09-22 18:11:04,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:04,263 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:11:04,263 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) [2024-09-22 18:11:04,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:04,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:04,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:04,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:04,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:11:04,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:04,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:04,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:04,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:04,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:04,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:11:04,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:11:04,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-09-22 18:11:04,576 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 [2024-09-22 18:11:04,577 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)] === [2024-09-22 18:11:04,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:11:04,577 INFO L85 PathProgramCache]: Analyzing trace with hash -2135173138, now seen corresponding path program 5 times [2024-09-22 18:11:04,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:11:04,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541770305] [2024-09-22 18:11:04,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:04,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:11:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:06,124 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:11:06,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:11:06,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541770305] [2024-09-22 18:11:06,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541770305] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:11:06,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51742364] [2024-09-22 18:11:06,125 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-22 18:11:06,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:11:06,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:11:06,128 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) [2024-09-22 18:11:06,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-22 18:11:06,221 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-09-22 18:11:06,221 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:11:06,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-09-22 18:11:06,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:11:06,593 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-22 18:11:06,593 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:11:06,975 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-22 18:11:06,975 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 [2024-09-22 18:11:07,251 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-22 18:11:07,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51742364] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:11:07,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:11:07,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 13, 13] total 41 [2024-09-22 18:11:07,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778219439] [2024-09-22 18:11:07,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:11:07,252 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-09-22 18:11:07,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:11:07,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-09-22 18:11:07,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=1537, Unknown=0, NotChecked=0, Total=1722 [2024-09-22 18:11:07,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:07,254 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:11:07,254 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) [2024-09-22 18:11:07,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:07,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:07,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:07,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:07,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:11:07,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:11:07,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:09,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:09,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:09,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:09,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:09,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:11:09,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:11:09,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 18:11:09,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-09-22 18:11:09,213 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 [2024-09-22 18:11:09,213 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)] === [2024-09-22 18:11:09,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:11:09,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1348214243, now seen corresponding path program 6 times [2024-09-22 18:11:09,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:11:09,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879144408] [2024-09-22 18:11:09,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:09,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:11:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:09,677 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 62 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:11:09,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:11:09,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879144408] [2024-09-22 18:11:09,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879144408] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:11:09,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021845948] [2024-09-22 18:11:09,678 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-22 18:11:09,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:11:09,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:11:09,679 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) [2024-09-22 18:11:09,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-22 18:11:09,790 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-09-22 18:11:09,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:11:09,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-22 18:11:09,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:11:10,132 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 101 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 18:11:10,132 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:11:10,435 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 101 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 18:11:10,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021845948] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:11:10,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:11:10,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 12, 12] total 40 [2024-09-22 18:11:10,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825114540] [2024-09-22 18:11:10,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:11:10,436 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-09-22 18:11:10,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:11:10,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-09-22 18:11:10,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=1341, Unknown=0, NotChecked=0, Total=1640 [2024-09-22 18:11:10,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:10,440 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:11:10,441 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) [2024-09-22 18:11:10,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:10,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:10,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:10,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:10,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:11:10,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:11:10,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-22 18:11:10,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:10,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:10,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:10,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:10,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:10,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:11:10,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:11:10,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 18:11:10,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:10,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-09-22 18:11:10,831 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 [2024-09-22 18:11:10,831 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)] === [2024-09-22 18:11:10,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:11:10,832 INFO L85 PathProgramCache]: Analyzing trace with hash 246094744, now seen corresponding path program 7 times [2024-09-22 18:11:10,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:11:10,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400245280] [2024-09-22 18:11:10,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:10,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:11:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:14,841 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 6 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:11:14,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:11:14,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400245280] [2024-09-22 18:11:14,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400245280] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:11:14,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052853665] [2024-09-22 18:11:14,843 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-22 18:11:14,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:11:14,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:11:14,845 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) [2024-09-22 18:11:14,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-22 18:11:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:14,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-09-22 18:11:14,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:11:15,836 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-22 18:11:15,837 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:11:17,261 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-22 18:11:17,262 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 [2024-09-22 18:11:19,753 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-22 18:11:19,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052853665] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:11:19,753 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:11:19,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 25, 25] total 80 [2024-09-22 18:11:19,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877787741] [2024-09-22 18:11:19,754 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:11:19,754 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-09-22 18:11:19,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:11:19,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-09-22 18:11:19,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=584, Invalid=5896, Unknown=0, NotChecked=0, Total=6480 [2024-09-22 18:11:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:19,758 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:11:19,758 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) [2024-09-22 18:11:19,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:19,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:19,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:19,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:19,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:11:19,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:11:19,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-22 18:11:19,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:19,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:26,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:26,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:26,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:26,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:26,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:11:26,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:11:26,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 18:11:26,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:26,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-09-22 18:11:26,033 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-22 18:11:26,221 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 [2024-09-22 18:11:26,222 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)] === [2024-09-22 18:11:26,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:11:26,222 INFO L85 PathProgramCache]: Analyzing trace with hash -622750410, now seen corresponding path program 8 times [2024-09-22 18:11:26,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:11:26,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716570178] [2024-09-22 18:11:26,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:26,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:11:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:27,328 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 326 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:11:27,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:11:27,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716570178] [2024-09-22 18:11:27,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716570178] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:11:27,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746384664] [2024-09-22 18:11:27,328 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 18:11:27,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:11:27,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:11:27,329 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) [2024-09-22 18:11:27,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-22 18:11:27,439 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 18:11:27,439 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:11:27,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-09-22 18:11:27,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:11:27,852 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 324 proven. 21 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-09-22 18:11:27,852 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:11:28,266 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 324 proven. 21 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-09-22 18:11:28,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746384664] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:11:28,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:11:28,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 16, 16] total 62 [2024-09-22 18:11:28,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056889350] [2024-09-22 18:11:28,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:11:28,267 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-09-22 18:11:28,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:11:28,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-09-22 18:11:28,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=634, Invalid=3272, Unknown=0, NotChecked=0, Total=3906 [2024-09-22 18:11:28,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:28,270 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:11:28,270 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) [2024-09-22 18:11:28,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:28,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:28,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:28,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:28,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:11:28,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:11:28,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-22 18:11:28,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:28,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-09-22 18:11:28,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:28,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:28,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:28,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:28,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:28,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:11:28,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:11:28,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 18:11:28,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:28,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-09-22 18:11:28,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:28,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-09-22 18:11:28,653 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 [2024-09-22 18:11:28,653 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)] === [2024-09-22 18:11:28,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:11:28,654 INFO L85 PathProgramCache]: Analyzing trace with hash -934757381, now seen corresponding path program 9 times [2024-09-22 18:11:28,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:11:28,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930063701] [2024-09-22 18:11:28,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:28,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:11:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:29,632 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 326 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:11:29,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:11:29,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930063701] [2024-09-22 18:11:29,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930063701] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:11:29,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872135209] [2024-09-22 18:11:29,633 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-22 18:11:29,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:11:29,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:11:29,634 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) [2024-09-22 18:11:29,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-22 18:11:29,789 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-09-22 18:11:29,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:11:29,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-09-22 18:11:29,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:11:30,448 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 419 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 18:11:30,448 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:11:31,128 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 419 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 18:11:31,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [872135209] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:11:31,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:11:31,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 22, 22] total 76 [2024-09-22 18:11:31,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550714912] [2024-09-22 18:11:31,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:11:31,130 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-09-22 18:11:31,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:11:31,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-09-22 18:11:31,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1015, Invalid=4837, Unknown=0, NotChecked=0, Total=5852 [2024-09-22 18:11:31,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:31,133 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:11:31,134 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) [2024-09-22 18:11:31,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:31,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:31,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:31,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:31,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:11:31,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:11:31,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-22 18:11:31,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:31,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-09-22 18:11:31,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:31,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:11:31,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:11:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:11:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:11:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:11:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 18:11:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-09-22 18:11:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:11:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-22 18:11:31,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-09-22 18:11:31,499 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 [2024-09-22 18:11:31,499 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)] === [2024-09-22 18:11:31,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:11:31,499 INFO L85 PathProgramCache]: Analyzing trace with hash 375334678, now seen corresponding path program 10 times [2024-09-22 18:11:31,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:11:31,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102397383] [2024-09-22 18:11:31,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:11:31,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:11:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:11:42,892 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 45 proven. 453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:11:42,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:11:42,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102397383] [2024-09-22 18:11:42,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102397383] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:11:42,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791855450] [2024-09-22 18:11:42,892 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-22 18:11:42,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:11:42,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:11:42,895 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) [2024-09-22 18:11:42,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-09-22 18:11:43,015 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-22 18:11:43,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:11:43,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 147 conjuncts are in the unsatisfiable core [2024-09-22 18:11:43,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:11:45,672 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-09-22 18:11:45,672 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:11:53,996 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-22 18:11:53,996 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 [2024-09-22 18:12:36,185 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-09-22 18:12:36,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791855450] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:12:36,186 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:12:36,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 49, 49] total 158 [2024-09-22 18:12:36,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210504171] [2024-09-22 18:12:36,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:12:36,187 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 159 states [2024-09-22 18:12:36,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:12:36,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2024-09-22 18:12:36,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2057, Invalid=23065, Unknown=0, NotChecked=0, Total=25122 [2024-09-22 18:12:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:12:36,194 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:12:36,194 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) [2024-09-22 18:12:36,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:12:36,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:12:36,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:12:36,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:12:36,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:12:36,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:12:36,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-22 18:12:36,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:12:36,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-09-22 18:12:36,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:12:36,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-22 18:12:36,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:13:03,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:13:03,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:13:03,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:13:03,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:13:03,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:13:03,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:13:03,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 18:13:03,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:13:03,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-09-22 18:13:03,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:13:03,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-22 18:13:03,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-09-22 18:13:03,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-09-22 18:13:03,243 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 [2024-09-22 18:13:03,243 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)] === [2024-09-22 18:13:03,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:13:03,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1491020462, now seen corresponding path program 11 times [2024-09-22 18:13:03,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:13:03,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208935088] [2024-09-22 18:13:03,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:13:03,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:13:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:13:06,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 1502 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:13:06,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:13:06,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208935088] [2024-09-22 18:13:06,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208935088] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:13:06,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966407955] [2024-09-22 18:13:06,060 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-22 18:13:06,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:13:06,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:13:06,061 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) [2024-09-22 18:13:06,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-09-22 18:13:06,882 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) [2024-09-22 18:13:06,882 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:13:06,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-09-22 18:13:06,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:13:08,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 1704 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:13:08,654 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:13:10,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 1704 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:13:10,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966407955] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:13:10,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:13:10,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 39, 39] total 139 [2024-09-22 18:13:10,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989118011] [2024-09-22 18:13:10,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:13:10,641 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 140 states [2024-09-22 18:13:10,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:13:10,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2024-09-22 18:13:10,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3433, Invalid=16027, Unknown=0, NotChecked=0, Total=19460 [2024-09-22 18:13:10,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:13:10,648 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:13:10,649 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) [2024-09-22 18:13:10,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:13:10,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:13:10,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:13:10,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:13:10,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:13:10,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:13:10,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-22 18:13:10,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:13:10,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-09-22 18:13:10,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:13:10,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-22 18:13:10,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-09-22 18:13:10,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:13:10,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:13:10,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:13:10,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:13:10,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:13:10,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:13:10,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:13:10,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 18:13:10,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:13:10,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-09-22 18:13:10,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:13:10,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-22 18:13:10,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-09-22 18:13:10,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-22 18:13:10,846 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-09-22 18:13:11,028 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 [2024-09-22 18:13:11,029 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)] === [2024-09-22 18:13:11,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:13:11,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1817345774, now seen corresponding path program 12 times [2024-09-22 18:13:11,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:13:11,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515153791] [2024-09-22 18:13:11,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:13:11,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:13:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:13:53,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 231 proven. 1773 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:13:53,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:13:53,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515153791] [2024-09-22 18:13:53,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515153791] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:13:53,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [866409736] [2024-09-22 18:13:53,742 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-22 18:13:53,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:13:53,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:13:53,743 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) [2024-09-22 18:13:53,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-09-22 18:13:55,334 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2024-09-22 18:13:55,335 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 18:13:55,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 870 conjuncts, 376 conjuncts are in the unsatisfiable core [2024-09-22 18:13:55,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:13:56,718 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 [2024-09-22 18:13:56,809 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 [2024-09-22 18:13:56,904 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 [2024-09-22 18:13:56,992 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 [2024-09-22 18:13:57,085 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 [2024-09-22 18:13:57,182 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 [2024-09-22 18:13:57,287 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 [2024-09-22 18:13:57,389 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 [2024-09-22 18:13:57,482 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 [2024-09-22 18:13:57,579 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 [2024-09-22 18:14:31,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:31,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:32,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:32,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:32,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:32,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:32,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:32,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:32,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:32,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:32,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:32,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-22 18:14:38,318 WARN L293 SmtUtils]: Spent 6.30s 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) [2024-09-22 18:14:38,319 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-22 18:14:38,320 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 [2024-09-22 18:14:58,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 0 proven. 2004 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:14:58,884 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:15:39,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 0 proven. 2004 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:15:39,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [866409736] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 18:15:39,955 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-22 18:15:39,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [125, 128, 128] total 377 [2024-09-22 18:15:39,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481852660] [2024-09-22 18:15:39,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-22 18:15:39,956 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 378 states [2024-09-22 18:15:39,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 18:15:39,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 378 interpolants. [2024-09-22 18:15:39,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19366, Invalid=123140, Unknown=0, NotChecked=0, Total=142506 [2024-09-22 18:15:39,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:15:39,976 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 18:15:39,977 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) [2024-09-22 18:15:39,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:15:39,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:15:39,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:15:39,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:15:39,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:15:39,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:15:39,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-22 18:15:39,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:15:39,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-09-22 18:15:39,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:15:39,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-22 18:15:39,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-09-22 18:15:39,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-22 18:15:39,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 18:16:20,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:16:20,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-22 18:16:20,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:16:20,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 18:16:20,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 18:16:20,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 18:16:20,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 18:16:20,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:16:20,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-09-22 18:16:20,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-22 18:16:20,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-22 18:16:20,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-09-22 18:16:20,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-22 18:16:20,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2024-09-22 18:16:20,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-09-22 18:16:20,713 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 [2024-09-22 18:16:20,713 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)] === [2024-09-22 18:16:20,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 18:16:20,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1977877500, now seen corresponding path program 13 times [2024-09-22 18:16:20,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 18:16:20,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631567880] [2024-09-22 18:16:20,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 18:16:20,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 18:16:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:17:10,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2175 backedges. 253 proven. 1922 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 18:17:10,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 18:17:10,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631567880] [2024-09-22 18:17:10,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631567880] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 18:17:10,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273740166] [2024-09-22 18:17:10,185 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-22 18:17:10,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 18:17:10,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 18:17:10,187 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) [2024-09-22 18:17:10,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-09-22 18:17:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 18:17:10,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 303 conjuncts are in the unsatisfiable core [2024-09-22 18:17:10,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 18:17:21,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2175 backedges. 0 proven. 1850 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-09-22 18:17:21,238 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 18:19:04,073 WARN L293 SmtUtils]: Spent 54.04s 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) [2024-09-22 18:19:04,074 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-22 18:19:04,078 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