./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/protection-ghost/popl20-more-queue-add-3-nl.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c ./goblint.2024-09-02_08-21-23.files/protection-ghost/popl20-more-queue-add-3-nl.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 12:22:09,928 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 12:22:09,983 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 12:22:09,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 12:22:09,990 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 12:22:10,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 12:22:10,027 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 12:22:10,027 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 12:22:10,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 12:22:10,030 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 12:22:10,030 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 12:22:10,031 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 12:22:10,031 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 12:22:10,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 12:22:10,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 12:22:10,034 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 12:22:10,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 12:22:10,035 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 12:22:10,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 12:22:10,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 12:22:10,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 12:22:10,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 12:22:10,036 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 12:22:10,036 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 12:22:10,036 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 12:22:10,037 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 12:22:10,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 12:22:10,037 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 12:22:10,037 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 12:22:10,037 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 12:22:10,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 12:22:10,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 12:22:10,038 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 12:22:10,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 12:22:10,038 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 12:22:10,038 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 12:22:10,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 12:22:10,039 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 12:22:10,039 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 12:22:10,039 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 12:22:10,039 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 12:22:10,040 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 12:22:10,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 12:22:10,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 12:22:10,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 12:22:10,286 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 12:22:10,286 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 12:22:10,288 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c [2024-09-08 12:22:11,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 12:22:11,807 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 12:22:11,809 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c [2024-09-08 12:22:11,816 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/087161aab/5c6b0e336783418b95113b31dcc40b36/FLAG574fe7cd1 [2024-09-08 12:22:11,828 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/087161aab/5c6b0e336783418b95113b31dcc40b36 [2024-09-08 12:22:11,831 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 12:22:11,832 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 12:22:11,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-ghost/popl20-more-queue-add-3-nl.wvr.yml/witness.yml [2024-09-08 12:22:11,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 12:22:11,886 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 12:22:11,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 12:22:11,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 12:22:11,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 12:22:11,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:22:11" (1/2) ... [2024-09-08 12:22:11,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24671f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:22:11, skipping insertion in model container [2024-09-08 12:22:11,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:22:11" (1/2) ... [2024-09-08 12:22:11,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@70088edc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:22:11, skipping insertion in model container [2024-09-08 12:22:11,900 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:22:11" (2/2) ... [2024-09-08 12:22:11,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24671f84 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:22:11, skipping insertion in model container [2024-09-08 12:22:11,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:22:11" (2/2) ... [2024-09-08 12:22:11,921 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 12:22:11,922 INFO L1541 ArrayList]: Location invariant before [L128-L128] ! multithreaded || 0 <= N [2024-09-08 12:22:11,922 INFO L1541 ArrayList]: Location invariant before [L129-L129] ! multithreaded || 0 <= N [2024-09-08 12:22:11,922 INFO L1541 ArrayList]: Location invariant before [L130-L130] ! multithreaded || 0 <= N [2024-09-08 12:22:11,922 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 12:22:11,923 INFO L1541 ArrayList]: ghost_update [L127-L127] multithreaded = 1; [2024-09-08 12:22:11,953 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 12:22:12,125 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c[3654,3667] [2024-09-08 12:22:12,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 12:22:12,148 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 12:22:12,199 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c[3654,3667] [2024-09-08 12:22:12,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 12:22:12,225 INFO L204 MainTranslator]: Completed translation [2024-09-08 12:22:12,226 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:22:12 WrapperNode [2024-09-08 12:22:12,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 12:22:12,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 12:22:12,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 12:22:12,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 12:22:12,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:22:12" (1/1) ... [2024-09-08 12:22:12,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:22:12" (1/1) ... [2024-09-08 12:22:12,271 INFO L138 Inliner]: procedures = 25, calls = 40, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 261 [2024-09-08 12:22:12,275 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 12:22:12,276 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 12:22:12,276 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 12:22:12,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 12:22:12,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:22:12" (1/1) ... [2024-09-08 12:22:12,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:22:12" (1/1) ... [2024-09-08 12:22:12,292 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:22:12" (1/1) ... [2024-09-08 12:22:12,297 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:22:12" (1/1) ... [2024-09-08 12:22:12,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:22:12" (1/1) ... [2024-09-08 12:22:12,312 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:22:12" (1/1) ... [2024-09-08 12:22:12,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:22:12" (1/1) ... [2024-09-08 12:22:12,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:22:12" (1/1) ... [2024-09-08 12:22:12,318 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 12:22:12,319 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 12:22:12,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 12:22:12,320 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 12:22:12,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:22:12" (1/1) ... [2024-09-08 12:22:12,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 12:22:12,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:22:12,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-08 12:22:12,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-08 12:22:12,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 12:22:12,437 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-08 12:22:12,437 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-08 12:22:12,437 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-08 12:22:12,437 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-08 12:22:12,437 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-08 12:22:12,439 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-08 12:22:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 12:22:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-08 12:22:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-08 12:22:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-08 12:22:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-08 12:22:12,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 12:22:12,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 12:22:12,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-08 12:22:12,443 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 12:22:12,549 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 12:22:12,551 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 12:22:12,847 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 12:22:12,848 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 12:22:13,172 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 12:22:13,172 INFO L318 CfgBuilder]: Removed 5 assume(true) statements. [2024-09-08 12:22:13,173 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:22:13 BoogieIcfgContainer [2024-09-08 12:22:13,173 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 12:22:13,175 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 12:22:13,176 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 12:22:13,179 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 12:22:13,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 12:22:11" (1/4) ... [2024-09-08 12:22:13,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa38fce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 12:22:13, skipping insertion in model container [2024-09-08 12:22:13,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:22:11" (2/4) ... [2024-09-08 12:22:13,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa38fce and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 12:22:13, skipping insertion in model container [2024-09-08 12:22:13,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:22:12" (3/4) ... [2024-09-08 12:22:13,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa38fce and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 12:22:13, skipping insertion in model container [2024-09-08 12:22:13,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:22:13" (4/4) ... [2024-09-08 12:22:13,182 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-3-nl.wvr.c [2024-09-08 12:22:13,198 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 12:22:13,198 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-09-08 12:22:13,199 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 12:22:13,240 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-09-08 12:22:13,282 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 12:22:13,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 12:22:13,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:22:13,284 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 12:22:13,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-08 12:22:13,317 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 12:22:13,333 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 12:22:13,338 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;@709c8654, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 12:22:13,339 INFO L337 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-09-08 12:22:13,412 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:22:13,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:22:13,417 INFO L85 PathProgramCache]: Analyzing trace with hash 2084572582, now seen corresponding path program 1 times [2024-09-08 12:22:13,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:22:13,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200283625] [2024-09-08 12:22:13,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:22:13,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:22:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:22:13,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:22:13,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:22:13,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200283625] [2024-09-08 12:22:13,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200283625] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 12:22:13,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 12:22:13,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 12:22:13,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353681915] [2024-09-08 12:22:13,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 12:22:13,709 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 12:22:13,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:22:13,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 12:22:13,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 12:22:13,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:13,735 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:22:13,736 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:22:13,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:13,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:13,875 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 12:22:13,875 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:22:13,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:22:13,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1484755622, now seen corresponding path program 1 times [2024-09-08 12:22:13,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:22:13,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626916164] [2024-09-08 12:22:13,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:22:13,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:22:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:22:14,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:22:14,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:22:14,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626916164] [2024-09-08 12:22:14,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626916164] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 12:22:14,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 12:22:14,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 12:22:14,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499839531] [2024-09-08 12:22:14,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 12:22:14,185 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 12:22:14,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:22:14,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 12:22:14,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-08 12:22:14,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:14,187 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:22:14,188 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:22:14,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:14,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:14,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:14,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:14,385 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-08 12:22:14,385 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:22:14,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:22:14,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1474535416, now seen corresponding path program 1 times [2024-09-08 12:22:14,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:22:14,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266590485] [2024-09-08 12:22:14,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:22:14,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:22:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:22:14,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 12:22:14,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:22:14,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266590485] [2024-09-08 12:22:14,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266590485] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 12:22:14,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 12:22:14,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 12:22:14,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674009715] [2024-09-08 12:22:14,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 12:22:14,557 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 12:22:14,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:22:14,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 12:22:14,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-08 12:22:14,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:14,561 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:22:14,562 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:22:14,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:14,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:14,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:14,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:14,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:14,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:14,689 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-08 12:22:14,689 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:22:14,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:22:14,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1157709030, now seen corresponding path program 1 times [2024-09-08 12:22:14,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:22:14,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005992206] [2024-09-08 12:22:14,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:22:14,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:22:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:22:14,955 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 12:22:14,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:22:14,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005992206] [2024-09-08 12:22:14,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005992206] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:22:14,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160616172] [2024-09-08 12:22:14,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:22:14,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:22:14,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:22:14,959 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:22:14,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-08 12:22:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:22:15,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-08 12:22:15,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:22:15,235 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 12:22:15,237 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:22:15,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 12:22:15,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160616172] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:22:15,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:22:15,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-09-08 12:22:15,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121331158] [2024-09-08 12:22:15,390 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:22:15,390 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-08 12:22:15,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:22:15,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-08 12:22:15,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-09-08 12:22:15,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:15,391 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:22:15,391 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 11 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:22:15,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:15,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:15,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:15,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:15,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:15,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:15,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:15,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:15,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-08 12:22:15,830 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:22:15,832 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:22:15,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:22:15,832 INFO L85 PathProgramCache]: Analyzing trace with hash 73974344, now seen corresponding path program 2 times [2024-09-08 12:22:15,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:22:15,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047361105] [2024-09-08 12:22:15,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:22:15,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:22:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:22:16,403 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 12:22:16,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:22:16,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047361105] [2024-09-08 12:22:16,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047361105] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:22:16,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237353043] [2024-09-08 12:22:16,405 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 12:22:16,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:22:16,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:22:16,407 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:22:16,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-08 12:22:16,500 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 12:22:16,500 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:22:16,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-09-08 12:22:16,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:22:16,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-09-08 12:22:16,755 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 12:22:16,755 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:22:16,906 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-08 12:22:16,906 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 24 treesize of output 11 [2024-09-08 12:22:17,192 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 12:22:17,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237353043] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:22:17,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:22:17,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 21 [2024-09-08 12:22:17,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360386472] [2024-09-08 12:22:17,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:22:17,194 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-09-08 12:22:17,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:22:17,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-09-08 12:22:17,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2024-09-08 12:22:17,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:17,198 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:22:17,198 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.318181818181818) internal successors, (117), 21 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:22:17,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:17,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:17,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:17,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:17,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:17,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:17,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:17,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:17,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:17,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:22:17,655 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-08 12:22:17,819 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:22:17,820 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:22:17,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:22:17,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1353156971, now seen corresponding path program 1 times [2024-09-08 12:22:17,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:22:17,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908075794] [2024-09-08 12:22:17,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:22:17,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:22:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:22:18,012 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 12:22:18,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:22:18,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908075794] [2024-09-08 12:22:18,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908075794] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:22:18,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128040368] [2024-09-08 12:22:18,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:22:18,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:22:18,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:22:18,016 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:22:18,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-08 12:22:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:22:18,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-08 12:22:18,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:22:18,216 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 12:22:18,216 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:22:18,322 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 12:22:18,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128040368] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:22:18,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:22:18,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-09-08 12:22:18,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69725880] [2024-09-08 12:22:18,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:22:18,323 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-08 12:22:18,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:22:18,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-08 12:22:18,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-09-08 12:22:18,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:18,324 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:22:18,324 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:22:18,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:18,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:18,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:18,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:18,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:22:18,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:18,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:18,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:18,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:18,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:18,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:22:18,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:18,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-08 12:22:18,690 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:22:18,692 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:22:18,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:22:18,692 INFO L85 PathProgramCache]: Analyzing trace with hash -269168985, now seen corresponding path program 2 times [2024-09-08 12:22:18,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:22:18,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771953987] [2024-09-08 12:22:18,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:22:18,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:22:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:22:19,367 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 12:22:19,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:22:19,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771953987] [2024-09-08 12:22:19,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771953987] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:22:19,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242515796] [2024-09-08 12:22:19,368 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 12:22:19,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:22:19,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:22:19,371 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:22:19,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-08 12:22:19,516 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 12:22:19,517 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:22:19,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-09-08 12:22:19,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:22:19,570 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 25 treesize of output 1 [2024-09-08 12:22:19,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-09-08 12:22:19,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 8 [2024-09-08 12:22:19,792 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-09-08 12:22:19,793 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:22:20,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 50 [2024-09-08 12:22:20,317 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-08 12:22:20,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 116 treesize of output 107 [2024-09-08 12:22:20,392 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 12:22:20,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242515796] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:22:20,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:22:20,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 27 [2024-09-08 12:22:20,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128177076] [2024-09-08 12:22:20,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:22:20,394 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-09-08 12:22:20,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:22:20,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-09-08 12:22:20,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=550, Unknown=0, NotChecked=0, Total=702 [2024-09-08 12:22:20,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:20,396 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:22:20,396 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.851851851851852) internal successors, (131), 27 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:22:20,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:20,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:20,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:20,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:20,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:22:20,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:20,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:21,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:21,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:21,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:21,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:21,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:22:21,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:21,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:22:21,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-09-08 12:22:21,368 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,SelfDestructingSolverStorable6 [2024-09-08 12:22:21,369 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:22:21,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:22:21,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1325415691, now seen corresponding path program 1 times [2024-09-08 12:22:21,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:22:21,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323297136] [2024-09-08 12:22:21,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:22:21,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:22:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:22:22,540 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-08 12:22:22,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:22:22,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323297136] [2024-09-08 12:22:22,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323297136] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:22:22,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609381150] [2024-09-08 12:22:22,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:22:22,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:22:22,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:22:22,543 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:22:22,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-08 12:22:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:22:22,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-09-08 12:22:22,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:22:22,763 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-09-08 12:22:22,763 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:22:22,804 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-08 12:22:22,805 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 25 treesize of output 12 [2024-09-08 12:22:22,840 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-09-08 12:22:22,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609381150] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:22:22,841 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:22:22,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7, 5] total 21 [2024-09-08 12:22:22,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078461359] [2024-09-08 12:22:22,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:22:22,841 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-09-08 12:22:22,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:22:22,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-09-08 12:22:22,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2024-09-08 12:22:22,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:22,842 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:22:22,843 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.181818181818182) internal successors, (114), 21 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:22:22,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:22,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:22,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:22,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:22,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:22:22,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:22,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:22:22,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:23,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:23,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:23,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:23,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:23,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:22:23,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:23,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:22:23,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-08 12:22:23,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-09-08 12:22:23,752 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:22:23,753 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:22:23,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:22:23,753 INFO L85 PathProgramCache]: Analyzing trace with hash -567369452, now seen corresponding path program 2 times [2024-09-08 12:22:23,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:22:23,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276976072] [2024-09-08 12:22:23,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:22:23,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:22:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:22:24,171 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 19 proven. 61 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 12:22:24,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:22:24,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276976072] [2024-09-08 12:22:24,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276976072] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:22:24,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539377127] [2024-09-08 12:22:24,173 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 12:22:24,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:22:24,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:22:24,175 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:22:24,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-08 12:22:24,292 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 12:22:24,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:22:24,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-09-08 12:22:24,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:22:24,769 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 46 proven. 34 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 12:22:24,769 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:22:25,391 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 41 proven. 39 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 12:22:25,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539377127] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:22:25,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:22:25,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 39 [2024-09-08 12:22:25,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731827452] [2024-09-08 12:22:25,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:22:25,394 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-09-08 12:22:25,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:22:25,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-09-08 12:22:25,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=376, Invalid=1184, Unknown=0, NotChecked=0, Total=1560 [2024-09-08 12:22:25,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:25,396 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:22:25,396 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 5.25) internal successors, (210), 39 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:22:25,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:25,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:25,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:25,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:25,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:22:25,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:25,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:22:25,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-08 12:22:25,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:25,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:25,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:25,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:25,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:25,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:22:25,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:25,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:22:25,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-08 12:22:25,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:22:25,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-09-08 12:22:25,916 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,SelfDestructingSolverStorable8 [2024-09-08 12:22:25,916 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:22:25,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:22:25,916 INFO L85 PathProgramCache]: Analyzing trace with hash 960505510, now seen corresponding path program 3 times [2024-09-08 12:22:25,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:22:25,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805364530] [2024-09-08 12:22:25,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:22:25,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:22:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:22:26,188 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 16 proven. 52 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-09-08 12:22:26,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:22:26,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805364530] [2024-09-08 12:22:26,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805364530] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:22:26,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642456743] [2024-09-08 12:22:26,189 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 12:22:26,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:22:26,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:22:26,192 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:22:26,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-08 12:22:26,673 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-09-08 12:22:26,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:22:26,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-09-08 12:22:26,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:22:28,111 INFO L349 Elim1Store]: treesize reduction 44, result has 41.3 percent of original size [2024-09-08 12:22:28,112 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 42 treesize of output 44 [2024-09-08 12:22:28,201 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 23 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-08 12:22:28,201 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:22:28,959 INFO L349 Elim1Store]: treesize reduction 38, result has 60.8 percent of original size [2024-09-08 12:22:28,960 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 49 treesize of output 74 [2024-09-08 12:22:29,228 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-09-08 12:22:29,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642456743] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:22:29,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:22:29,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 24, 20] total 51 [2024-09-08 12:22:29,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962895221] [2024-09-08 12:22:29,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:22:29,229 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-09-08 12:22:29,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:22:29,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-09-08 12:22:29,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=391, Invalid=2159, Unknown=0, NotChecked=0, Total=2550 [2024-09-08 12:22:29,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:29,231 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:22:29,231 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 3.8823529411764706) internal successors, (198), 51 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:22:29,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:29,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:29,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:29,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:29,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:22:29,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:29,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:22:29,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-08 12:22:29,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:22:29,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:30,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:30,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:30,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:30,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:30,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:22:30,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:30,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:22:30,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-08 12:22:30,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:22:30,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-08 12:22:30,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-08 12:22:30,349 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:22:30,350 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:22:30,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:22:30,350 INFO L85 PathProgramCache]: Analyzing trace with hash 489012326, now seen corresponding path program 4 times [2024-09-08 12:22:30,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:22:30,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754219466] [2024-09-08 12:22:30,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:22:30,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:22:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:22:31,428 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 16 proven. 69 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-09-08 12:22:31,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:22:31,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754219466] [2024-09-08 12:22:31,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754219466] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:22:31,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208349213] [2024-09-08 12:22:31,429 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-08 12:22:31,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:22:31,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:22:31,435 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:22:31,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-08 12:22:31,587 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-08 12:22:31,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:22:31,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-09-08 12:22:31,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:22:32,023 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 12:22:32,024 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 24 treesize of output 16 [2024-09-08 12:22:32,172 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 16 proven. 56 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-09-08 12:22:32,172 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:22:32,359 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-08 12:22:32,359 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 24 treesize of output 11 [2024-09-08 12:22:32,983 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 37 proven. 35 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-09-08 12:22:32,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208349213] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:22:32,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:22:32,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 15] total 45 [2024-09-08 12:22:32,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941497998] [2024-09-08 12:22:32,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:22:32,985 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-09-08 12:22:32,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:22:32,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-09-08 12:22:32,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=1777, Unknown=0, NotChecked=0, Total=2070 [2024-09-08 12:22:32,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:32,987 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:22:32,987 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 4.195652173913044) internal successors, (193), 45 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:22:32,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:32,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:32,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:32,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:32,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:22:32,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:32,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:22:32,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-09-08 12:22:32,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:22:32,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-08 12:22:32,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:34,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:34,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:34,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:34,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:34,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:22:34,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:34,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:22:34,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:22:34,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:22:34,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-08 12:22:34,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:22:34,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-09-08 12:22:34,404 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:22:34,404 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:22:34,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:22:34,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1189274067, now seen corresponding path program 5 times [2024-09-08 12:22:34,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:22:34,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261095317] [2024-09-08 12:22:34,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:22:34,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:22:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:22:36,037 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 8 proven. 53 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-08 12:22:36,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:22:36,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261095317] [2024-09-08 12:22:36,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261095317] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:22:36,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592810062] [2024-09-08 12:22:36,038 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-08 12:22:36,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:22:36,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:22:36,043 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:22:36,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-08 12:22:36,340 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-09-08 12:22:36,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:22:36,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-09-08 12:22:36,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:22:36,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 8 [2024-09-08 12:22:36,518 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-09-08 12:22:36,518 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:22:36,572 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-09-08 12:22:36,573 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 24 treesize of output 11 [2024-09-08 12:22:36,773 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-09-08 12:22:36,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [592810062] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:22:36,774 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:22:36,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 7, 7] total 31 [2024-09-08 12:22:36,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151405101] [2024-09-08 12:22:36,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:22:36,776 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-09-08 12:22:36,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:22:36,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-09-08 12:22:36,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=861, Unknown=0, NotChecked=0, Total=992 [2024-09-08 12:22:36,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:36,778 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:22:36,779 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 5.03125) internal successors, (161), 31 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:22:36,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:36,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:36,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:36,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:36,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:22:36,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:36,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:22:36,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:22:36,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:22:36,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-08 12:22:36,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:22:36,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:38,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:38,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:38,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:38,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:38,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:22:38,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:38,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:22:38,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:22:38,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:22:38,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:22:38,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:22:38,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:22:38,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-09-08 12:22:38,394 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,SelfDestructingSolverStorable11 [2024-09-08 12:22:38,394 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:22:38,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:22:38,395 INFO L85 PathProgramCache]: Analyzing trace with hash -2007976684, now seen corresponding path program 6 times [2024-09-08 12:22:38,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:22:38,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166094439] [2024-09-08 12:22:38,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:22:38,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:22:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:22:40,375 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 11 proven. 106 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-08 12:22:40,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:22:40,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166094439] [2024-09-08 12:22:40,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166094439] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:22:40,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253415669] [2024-09-08 12:22:40,377 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-08 12:22:40,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:22:40,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:22:40,382 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:22:40,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-09-08 12:22:41,136 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-09-08 12:22:41,136 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:22:41,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-09-08 12:22:41,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:22:41,338 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 17 proven. 59 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-09-08 12:22:41,338 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:22:41,440 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-09-08 12:22:41,440 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 26 treesize of output 14 [2024-09-08 12:22:41,509 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 17 proven. 52 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-09-08 12:22:41,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1253415669] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:22:41,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:22:41,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 7, 6] total 30 [2024-09-08 12:22:41,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945854877] [2024-09-08 12:22:41,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:22:41,510 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-09-08 12:22:41,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:22:41,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-09-08 12:22:41,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=826, Unknown=0, NotChecked=0, Total=930 [2024-09-08 12:22:41,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:41,512 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:22:41,512 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.32258064516129) internal successors, (165), 30 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:22:41,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:41,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:41,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:41,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:41,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:22:41,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:41,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:22:41,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:22:41,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:22:41,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:22:41,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:22:41,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:22:41,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:42,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:42,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:42,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:42,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:42,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:22:42,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:42,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:22:42,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:22:42,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:22:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:22:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:22:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:22:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:22:42,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-09-08 12:22:42,271 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:22:42,272 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:22:42,272 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:22:42,272 INFO L85 PathProgramCache]: Analyzing trace with hash 747770351, now seen corresponding path program 7 times [2024-09-08 12:22:42,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:22:42,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707230403] [2024-09-08 12:22:42,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:22:42,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:22:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:22:44,421 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 23 proven. 154 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-08 12:22:44,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:22:44,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707230403] [2024-09-08 12:22:44,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707230403] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:22:44,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628228213] [2024-09-08 12:22:44,423 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-08 12:22:44,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:22:44,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:22:44,425 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:22:44,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-09-08 12:22:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:22:44,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-09-08 12:22:44,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:22:45,069 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 22 proven. 132 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-09-08 12:22:45,069 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:22:45,241 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-09-08 12:22:45,242 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 26 treesize of output 14 [2024-09-08 12:22:45,310 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 22 proven. 99 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-09-08 12:22:45,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628228213] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:22:45,310 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:22:45,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 14, 8] total 42 [2024-09-08 12:22:45,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373740964] [2024-09-08 12:22:45,310 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:22:45,311 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-09-08 12:22:45,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:22:45,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-09-08 12:22:45,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1658, Unknown=0, NotChecked=0, Total=1806 [2024-09-08 12:22:45,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:45,312 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:22:45,312 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 4.8604651162790695) internal successors, (209), 42 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:22:45,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:45,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:45,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:45,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:45,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:22:45,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:45,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:22:45,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:22:45,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:22:45,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:22:45,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:22:45,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:22:45,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:22:45,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:22:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:22:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:22:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:22:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:22:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:22:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:22:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:22:46,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:22:46,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-09-08 12:22:46,881 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,SelfDestructingSolverStorable13 [2024-09-08 12:22:46,881 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:22:46,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:22:46,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1435557635, now seen corresponding path program 8 times [2024-09-08 12:22:46,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:22:46,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148458056] [2024-09-08 12:22:46,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:22:46,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:22:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:22:48,287 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 72 proven. 200 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-08 12:22:48,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:22:48,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148458056] [2024-09-08 12:22:48,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148458056] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:22:48,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960997298] [2024-09-08 12:22:48,288 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 12:22:48,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:22:48,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:22:48,289 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:22:48,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-09-08 12:22:48,466 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 12:22:48,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:22:48,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-09-08 12:22:48,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:22:48,835 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 28 proven. 218 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-09-08 12:22:48,835 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:22:48,995 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-09-08 12:22:48,996 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 25 treesize of output 13 [2024-09-08 12:22:49,060 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 28 proven. 179 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-09-08 12:22:49,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960997298] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:22:49,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:22:49,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 16, 10] total 45 [2024-09-08 12:22:49,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397741523] [2024-09-08 12:22:49,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:22:49,061 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-09-08 12:22:49,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:22:49,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-09-08 12:22:49,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=1888, Unknown=0, NotChecked=0, Total=2070 [2024-09-08 12:22:49,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:49,063 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:22:49,063 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 5.304347826086956) internal successors, (244), 45 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:22:49,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:49,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:49,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:49,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:49,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:22:49,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:49,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:22:49,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:22:49,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:22:49,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:22:49,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:22:49,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:22:49,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:22:49,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:22:49,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:50,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:50,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:50,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:50,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:50,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:22:50,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:50,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:22:50,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:22:50,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:22:50,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:22:50,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:22:50,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:22:50,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:22:50,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:22:50,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:22:50,278 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-09-08 12:22:50,460 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,SelfDestructingSolverStorable14 [2024-09-08 12:22:50,460 INFO L399 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:22:50,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:22:50,461 INFO L85 PathProgramCache]: Analyzing trace with hash 2086972201, now seen corresponding path program 9 times [2024-09-08 12:22:50,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:22:50,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165672978] [2024-09-08 12:22:50,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:22:50,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:22:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:22:50,886 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 262 proven. 66 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-09-08 12:22:50,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:22:50,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165672978] [2024-09-08 12:22:50,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165672978] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:22:50,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123113635] [2024-09-08 12:22:50,887 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 12:22:50,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:22:50,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:22:50,889 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:22:50,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-09-08 12:22:51,664 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-09-08 12:22:51,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:22:51,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-09-08 12:22:51,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:22:52,151 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 242 proven. 86 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-09-08 12:22:52,152 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:22:52,720 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 236 proven. 92 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-09-08 12:22:52,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123113635] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:22:52,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:22:52,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 17] total 47 [2024-09-08 12:22:52,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002795961] [2024-09-08 12:22:52,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:22:52,721 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-09-08 12:22:52,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:22:52,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-09-08 12:22:52,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=546, Invalid=1616, Unknown=0, NotChecked=0, Total=2162 [2024-09-08 12:22:52,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:52,723 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:22:52,724 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 6.680851063829787) internal successors, (314), 47 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:22:52,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:52,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:52,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:52,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:22:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:22:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:22:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:22:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:22:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:22:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:22:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:22:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:22:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:22:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:22:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:53,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:22:53,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:22:53,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:22:53,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:22:53,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:22:53,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:22:53,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:22:53,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:22:53,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:22:53,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:22:53,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-09-08 12:22:53,247 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-09-08 12:22:53,247 INFO L399 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:22:53,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:22:53,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1421560261, now seen corresponding path program 10 times [2024-09-08 12:22:53,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:22:53,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864653502] [2024-09-08 12:22:53,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:22:53,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:22:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:22:53,865 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 210 proven. 172 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-09-08 12:22:53,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:22:53,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864653502] [2024-09-08 12:22:53,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864653502] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:22:53,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058193948] [2024-09-08 12:22:53,865 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-08 12:22:53,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:22:53,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:22:53,867 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:22:53,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-09-08 12:22:54,024 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-08 12:22:54,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:22:54,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-09-08 12:22:54,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:22:54,721 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 327 proven. 55 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-09-08 12:22:54,721 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:22:55,477 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 236 proven. 146 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-09-08 12:22:55,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058193948] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:22:55,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:22:55,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 65 [2024-09-08 12:22:55,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265970291] [2024-09-08 12:22:55,477 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:22:55,478 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-09-08 12:22:55,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:22:55,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-09-08 12:22:55,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=894, Invalid=3396, Unknown=0, NotChecked=0, Total=4290 [2024-09-08 12:22:55,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:55,480 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:22:55,481 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 4.954545454545454) internal successors, (327), 65 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:22:55,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:55,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:55,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:55,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:55,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:22:55,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:55,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:22:55,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:22:55,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:22:55,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:22:55,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:22:55,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:22:55,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:22:55,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:22:55,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:22:55,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:22:55,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:22:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:22:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:22:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:22:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:22:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:22:55,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:22:55,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:22:55,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:22:55,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:22:55,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:22:55,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:22:55,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:22:55,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:22:55,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:22:55,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:22:55,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-09-08 12:22:55,943 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-09-08 12:22:55,943 INFO L399 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:22:55,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:22:55,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1483083113, now seen corresponding path program 11 times [2024-09-08 12:22:55,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:22:55,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732908127] [2024-09-08 12:22:55,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:22:55,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:22:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:22:57,884 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 138 proven. 262 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-09-08 12:22:57,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:22:57,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732908127] [2024-09-08 12:22:57,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732908127] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:22:57,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689576938] [2024-09-08 12:22:57,885 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-08 12:22:57,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:22:57,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:22:57,886 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:22:57,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-09-08 12:22:59,774 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-09-08 12:22:59,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:22:59,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-09-08 12:22:59,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:23:01,408 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 12:23:01,409 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 23 treesize of output 15 [2024-09-08 12:23:01,560 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 66 proven. 334 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-09-08 12:23:01,560 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:23:02,129 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-09-08 12:23:02,129 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 26 treesize of output 14 [2024-09-08 12:23:03,411 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 53 proven. 347 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-09-08 12:23:03,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689576938] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:23:03,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:23:03,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 32, 32] total 92 [2024-09-08 12:23:03,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786206900] [2024-09-08 12:23:03,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:23:03,413 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2024-09-08 12:23:03,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:23:03,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2024-09-08 12:23:03,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1479, Invalid=7077, Unknown=0, NotChecked=0, Total=8556 [2024-09-08 12:23:03,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:23:03,417 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:23:03,417 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 4.161290322580645) internal successors, (387), 92 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:23:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:23:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:23:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:23:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:23:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:23:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:23:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:23:03,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:23:03,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:23:03,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:23:03,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:23:03,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:23:03,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:23:03,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:23:03,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:23:03,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:23:03,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:23:03,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:23:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:23:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:23:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:23:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:23:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:23:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:23:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:23:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:23:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:23:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:23:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:23:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:23:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:23:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:23:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:23:04,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:23:04,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:23:04,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:23:04,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-09-08 12:23:04,503 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-09-08 12:23:04,503 INFO L399 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:23:04,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:23:04,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1332714491, now seen corresponding path program 12 times [2024-09-08 12:23:04,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:23:04,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085277482] [2024-09-08 12:23:04,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:23:04,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:23:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:23:07,999 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 23 proven. 389 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-09-08 12:23:08,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:23:08,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085277482] [2024-09-08 12:23:08,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085277482] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:23:08,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368068907] [2024-09-08 12:23:08,000 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-08 12:23:08,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:23:08,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:23:08,001 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:23:08,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-09-08 12:23:11,326 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-09-08 12:23:11,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:23:11,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-09-08 12:23:11,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:23:12,395 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 37 proven. 349 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-09-08 12:23:12,395 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:23:12,757 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-09-08 12:23:12,758 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 26 treesize of output 14 [2024-09-08 12:23:12,827 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 34 proven. 280 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-09-08 12:23:12,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368068907] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:23:12,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:23:12,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 22, 12] total 61 [2024-09-08 12:23:12,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882440536] [2024-09-08 12:23:12,828 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:23:12,828 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-09-08 12:23:12,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:23:12,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-09-08 12:23:12,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=3623, Unknown=0, NotChecked=0, Total=3782 [2024-09-08 12:23:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:23:12,832 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:23:12,832 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 4.758064516129032) internal successors, (295), 61 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:23:12,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:23:12,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:23:12,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:23:12,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:23:12,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:23:12,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:23:12,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:23:12,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:23:12,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:23:12,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:23:12,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:23:12,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:23:12,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:23:12,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:23:12,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:23:12,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:23:12,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:23:12,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:23:12,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:23:16,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:23:16,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:23:16,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:23:16,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:23:16,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:23:16,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:23:16,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:23:16,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:23:16,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:23:16,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:23:16,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:23:16,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:23:16,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:23:16,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:23:16,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:23:16,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:23:16,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:23:16,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:23:16,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:23:16,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-09-08 12:23:16,266 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:23:16,266 INFO L399 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:23:16,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:23:16,267 INFO L85 PathProgramCache]: Analyzing trace with hash -686224458, now seen corresponding path program 13 times [2024-09-08 12:23:16,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:23:16,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110474880] [2024-09-08 12:23:16,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:23:16,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:23:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:23:17,278 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 346 proven. 237 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-09-08 12:23:17,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:23:17,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110474880] [2024-09-08 12:23:17,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110474880] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:23:17,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221748901] [2024-09-08 12:23:17,279 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-08 12:23:17,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:23:17,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:23:17,284 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:23:17,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-09-08 12:23:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:23:17,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-09-08 12:23:17,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:23:18,372 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 492 proven. 91 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-09-08 12:23:18,372 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:23:19,363 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 380 proven. 203 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-09-08 12:23:19,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221748901] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:23:19,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:23:19,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 83 [2024-09-08 12:23:19,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407290809] [2024-09-08 12:23:19,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:23:19,364 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-09-08 12:23:19,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:23:19,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-09-08 12:23:19,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1431, Invalid=5541, Unknown=0, NotChecked=0, Total=6972 [2024-09-08 12:23:19,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:23:19,368 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:23:19,368 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 4.642857142857143) internal successors, (390), 83 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:23:19,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:23:19,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:23:19,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:23:19,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:23:19,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:23:19,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:23:19,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:23:19,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:23:19,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:23:19,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:23:19,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:23:19,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:23:19,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:23:19,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:23:19,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:23:19,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:23:19,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:23:19,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:23:19,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:23:19,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:23:19,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:23:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:23:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:23:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:23:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:23:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:23:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:23:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:23:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:23:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:23:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:23:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:23:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:23:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:23:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:23:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:23:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:23:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:23:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:23:19,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:23:19,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-09-08 12:23:19,881 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:23:19,881 INFO L399 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:23:19,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:23:19,882 INFO L85 PathProgramCache]: Analyzing trace with hash -995262264, now seen corresponding path program 14 times [2024-09-08 12:23:19,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:23:19,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518855827] [2024-09-08 12:23:19,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:23:19,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:23:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:23:21,845 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 253 proven. 351 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-09-08 12:23:21,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:23:21,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518855827] [2024-09-08 12:23:21,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518855827] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:23:21,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21324307] [2024-09-08 12:23:21,846 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 12:23:21,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:23:21,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:23:21,848 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:23:21,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-09-08 12:23:22,049 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 12:23:22,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:23:22,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 85 conjuncts are in the unsatisfiable core [2024-09-08 12:23:22,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:23:24,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-09-08 12:23:24,400 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 50 proven. 554 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-09-08 12:23:24,400 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:23:25,286 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-09-08 12:23:25,286 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 26 treesize of output 14 [2024-09-08 12:23:26,895 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 10 proven. 594 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-09-08 12:23:26,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21324307] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:23:26,895 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:23:26,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38, 39] total 113 [2024-09-08 12:23:26,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739746998] [2024-09-08 12:23:26,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:23:26,896 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2024-09-08 12:23:26,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:23:26,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2024-09-08 12:23:26,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2315, Invalid=10567, Unknown=0, NotChecked=0, Total=12882 [2024-09-08 12:23:26,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:23:26,900 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:23:26,900 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 3.9473684210526314) internal successors, (450), 113 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:23:26,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:23:26,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:23:26,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:23:26,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:23:26,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:23:26,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:23:26,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:23:26,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:23:26,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:23:26,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:23:26,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:23:26,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:23:26,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:23:26,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:23:26,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:23:26,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:23:26,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:23:26,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:23:26,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:23:26,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:23:26,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:23:30,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:23:30,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:23:30,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:23:30,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:23:30,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:23:30,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:23:30,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:23:30,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:23:30,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:23:30,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:23:30,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:23:30,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:23:30,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:23:30,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:23:30,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:23:30,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:23:30,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:23:30,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:23:30,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:23:30,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:23:30,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 12:23:30,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-09-08 12:23:30,289 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:23:30,289 INFO L399 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:23:30,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:23:30,290 INFO L85 PathProgramCache]: Analyzing trace with hash -625916637, now seen corresponding path program 15 times [2024-09-08 12:23:30,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:23:30,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781218318] [2024-09-08 12:23:30,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:23:30,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:23:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:23:32,461 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 333 proven. 398 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-09-08 12:23:32,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:23:32,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781218318] [2024-09-08 12:23:32,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781218318] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:23:32,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430563084] [2024-09-08 12:23:32,461 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 12:23:32,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:23:32,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:23:32,463 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:23:32,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-09-08 12:23:37,322 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-09-08 12:23:37,322 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:23:37,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 103 conjuncts are in the unsatisfiable core [2024-09-08 12:23:37,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:23:39,834 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 12:23:39,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 76 treesize of output 82 [2024-09-08 12:23:39,863 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-09-08 12:23:40,021 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 55 proven. 662 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-09-08 12:23:40,021 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:23:42,125 INFO L349 Elim1Store]: treesize reduction 30, result has 50.8 percent of original size [2024-09-08 12:23:42,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 91 treesize of output 59 [2024-09-08 12:23:42,126 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-09-08 12:23:43,312 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 54 proven. 619 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-09-08 12:23:43,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430563084] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:23:43,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:23:43,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 42, 34] total 114 [2024-09-08 12:23:43,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318125254] [2024-09-08 12:23:43,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:23:43,313 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2024-09-08 12:23:43,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:23:43,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2024-09-08 12:23:43,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1681, Invalid=11429, Unknown=0, NotChecked=0, Total=13110 [2024-09-08 12:23:43,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:23:43,318 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:23:43,318 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 3.973913043478261) internal successors, (457), 114 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:23:43,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:23:43,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:23:43,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:23:43,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:23:43,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:23:43,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:23:43,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:23:43,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:23:43,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:23:43,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:23:43,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:23:43,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:23:43,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:23:43,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:23:43,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:23:43,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:23:43,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:23:43,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:23:43,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:23:43,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:23:43,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 12:23:43,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:23:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:23:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:23:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:23:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:23:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:23:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:23:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:23:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:23:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:23:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:23:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:23:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:23:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:23:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:23:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:23:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:23:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:23:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:23:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:23:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:23:46,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 12:23:46,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-08 12:23:46,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-09-08 12:23:46,266 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-09-08 12:23:46,266 INFO L399 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:23:46,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:23:46,267 INFO L85 PathProgramCache]: Analyzing trace with hash 239235765, now seen corresponding path program 16 times [2024-09-08 12:23:46,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:23:46,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738327083] [2024-09-08 12:23:46,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:23:46,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:23:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:23:49,532 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 42 proven. 705 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-09-08 12:23:49,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:23:49,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738327083] [2024-09-08 12:23:49,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738327083] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:23:49,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625850907] [2024-09-08 12:23:49,533 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-08 12:23:49,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:23:49,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:23:49,536 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:23:49,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-09-08 12:23:49,756 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-08 12:23:49,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:23:49,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-09-08 12:23:49,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:23:50,534 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 46 proven. 576 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-09-08 12:23:50,535 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:23:50,941 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-09-08 12:23:50,941 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 26 treesize of output 14 [2024-09-08 12:23:51,011 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 46 proven. 545 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-09-08 12:23:51,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625850907] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:23:51,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:23:51,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 18, 16] total 69 [2024-09-08 12:23:51,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405167482] [2024-09-08 12:23:51,012 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:23:51,013 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-09-08 12:23:51,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:23:51,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-09-08 12:23:51,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=267, Invalid=4563, Unknown=0, NotChecked=0, Total=4830 [2024-09-08 12:23:51,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:23:51,014 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:23:51,015 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 5.371428571428571) internal successors, (376), 69 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:23:51,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:23:51,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:23:51,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:23:51,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:23:51,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:23:51,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:23:51,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:23:51,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:23:51,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:23:51,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:23:51,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:23:51,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:23:51,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:23:51,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:23:51,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:23:51,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:23:51,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:23:51,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:23:51,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:23:51,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:23:51,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 12:23:51,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-08 12:23:51,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:23:53,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:23:53,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:23:53,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:23:53,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:23:53,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:23:53,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:23:53,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:23:53,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:23:53,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:23:53,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:23:53,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:23:53,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:23:53,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:23:53,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:23:53,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:23:53,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:23:53,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:23:53,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:23:53,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:23:53,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:23:53,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 12:23:53,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-08 12:23:53,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:23:53,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-09-08 12:23:53,934 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:23:53,934 INFO L399 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:23:53,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:23:53,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1853595715, now seen corresponding path program 17 times [2024-09-08 12:23:53,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:23:53,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573944785] [2024-09-08 12:23:53,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:23:53,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:23:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:23:54,572 INFO L134 CoverageAnalysis]: Checked inductivity of 979 backedges. 631 proven. 117 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-09-08 12:23:54,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:23:54,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573944785] [2024-09-08 12:23:54,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573944785] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:23:54,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422563133] [2024-09-08 12:23:54,573 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-08 12:23:54,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:23:54,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:23:54,575 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:23:54,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-09-08 12:24:09,775 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-09-08 12:24:09,775 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:24:09,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-09-08 12:24:09,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:24:10,487 INFO L134 CoverageAnalysis]: Checked inductivity of 979 backedges. 599 proven. 149 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-09-08 12:24:10,487 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:24:11,256 INFO L134 CoverageAnalysis]: Checked inductivity of 979 backedges. 587 proven. 161 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-09-08 12:24:11,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422563133] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:24:11,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:24:11,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23, 23] total 65 [2024-09-08 12:24:11,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33146086] [2024-09-08 12:24:11,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:24:11,257 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-09-08 12:24:11,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:24:11,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-09-08 12:24:11,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1044, Invalid=3116, Unknown=0, NotChecked=0, Total=4160 [2024-09-08 12:24:11,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:24:11,259 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:24:11,259 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 6.630769230769231) internal successors, (431), 65 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:24:11,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:24:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:24:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:24:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:24:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:24:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:24:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:24:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:24:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:24:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:24:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:24:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:24:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:24:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:24:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:24:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:24:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:24:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:24:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:24:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:24:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 12:24:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-08 12:24:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:24:11,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:24:11,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:24:11,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:24:11,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:24:11,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:24:11,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:24:11,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:24:11,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:24:11,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:24:11,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:24:11,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:24:11,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:24:11,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:24:11,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:24:11,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:24:11,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:24:11,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:24:11,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:24:11,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:24:11,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:24:11,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:24:11,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 12:24:11,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-08 12:24:11,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:24:11,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 12:24:11,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-09-08 12:24:11,891 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-09-08 12:24:11,891 INFO L399 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:24:11,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:24:11,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1862076657, now seen corresponding path program 18 times [2024-09-08 12:24:11,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:24:11,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080492512] [2024-09-08 12:24:11,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:24:11,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:24:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:24:14,325 INFO L134 CoverageAnalysis]: Checked inductivity of 989 backedges. 462 proven. 472 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-09-08 12:24:14,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:24:14,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080492512] [2024-09-08 12:24:14,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080492512] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:24:14,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20045136] [2024-09-08 12:24:14,326 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-08 12:24:14,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:24:14,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:24:14,327 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:24:14,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-09-08 12:24:22,125 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2024-09-08 12:24:22,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:24:22,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 868 conjuncts, 89 conjuncts are in the unsatisfiable core [2024-09-08 12:24:22,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:24:24,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-09-08 12:24:24,754 INFO L134 CoverageAnalysis]: Checked inductivity of 989 backedges. 61 proven. 873 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-09-08 12:24:24,754 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:24:26,094 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-09-08 12:24:26,094 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 26 treesize of output 14 [2024-09-08 12:24:28,757 INFO L134 CoverageAnalysis]: Checked inductivity of 989 backedges. 10 proven. 924 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-09-08 12:24:28,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20045136] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:24:28,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:24:28,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 46, 47] total 137 [2024-09-08 12:24:28,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40209613] [2024-09-08 12:24:28,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:24:28,759 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 138 states [2024-09-08 12:24:28,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:24:28,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2024-09-08 12:24:28,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3212, Invalid=15694, Unknown=0, NotChecked=0, Total=18906 [2024-09-08 12:24:28,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:24:28,762 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:24:28,763 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 138 states, 138 states have (on average 3.9130434782608696) internal successors, (540), 137 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:24:28,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:24:28,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:24:28,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:24:28,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:24:28,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:24:28,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:24:28,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:24:28,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:24:28,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:24:28,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:24:28,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:24:28,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:24:28,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:24:28,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:24:28,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:24:28,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:24:28,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:24:28,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:24:28,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:24:28,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:24:28,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 12:24:28,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-08 12:24:28,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:24:28,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 12:24:28,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:24:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:24:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:24:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:24:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:24:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:24:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:24:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:24:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:24:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:24:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:24:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:24:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:24:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:24:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:24:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:24:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:24:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:24:32,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:24:32,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:24:32,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:24:32,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 12:24:32,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-08 12:24:32,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:24:32,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 12:24:32,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-09-08 12:24:32,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-09-08 12:24:33,012 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-09-08 12:24:33,012 INFO L399 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:24:33,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:24:33,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1962040912, now seen corresponding path program 19 times [2024-09-08 12:24:33,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:24:33,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487655436] [2024-09-08 12:24:33,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:24:33,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:24:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:24:33,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 764 proven. 133 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-09-08 12:24:33,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:24:33,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487655436] [2024-09-08 12:24:33,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487655436] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:24:33,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28715397] [2024-09-08 12:24:33,718 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-08 12:24:33,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:24:33,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:24:33,719 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:24:33,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-09-08 12:24:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:24:33,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-09-08 12:24:33,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:24:34,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 842 proven. 55 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-09-08 12:24:34,611 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:24:35,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 638 proven. 259 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-09-08 12:24:35,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28715397] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:24:35,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:24:35,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 66 [2024-09-08 12:24:35,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054092546] [2024-09-08 12:24:35,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:24:35,257 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-09-08 12:24:35,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:24:35,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-09-08 12:24:35,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=924, Invalid=3366, Unknown=0, NotChecked=0, Total=4290 [2024-09-08 12:24:35,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:24:35,259 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:24:35,259 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 6.484848484848484) internal successors, (428), 66 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:24:35,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:24:35,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:24:35,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:24:35,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:24:35,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:24:35,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:24:35,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:24:35,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:24:35,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:24:35,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:24:35,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:24:35,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:24:35,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:24:35,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:24:35,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:24:35,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:24:35,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:24:35,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:24:35,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:24:35,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:24:35,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 12:24:35,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-08 12:24:35,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:24:35,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 12:24:35,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-09-08 12:24:35,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:24:35,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:24:35,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:24:35,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:24:35,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:24:35,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:24:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:24:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:24:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:24:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:24:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:24:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:24:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:24:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:24:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:24:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:24:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:24:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:24:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:24:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:24:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:24:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 12:24:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-08 12:24:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:24:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 12:24:35,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-09-08 12:24:35,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:24:35,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-09-08 12:24:35,638 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:24:35,638 INFO L399 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:24:35,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:24:35,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1276854750, now seen corresponding path program 20 times [2024-09-08 12:24:35,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:24:35,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731155235] [2024-09-08 12:24:35,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:24:35,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:24:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:24:38,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 569 proven. 522 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-09-08 12:24:38,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:24:38,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731155235] [2024-09-08 12:24:38,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731155235] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:24:38,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912399702] [2024-09-08 12:24:38,386 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 12:24:38,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:24:38,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:24:38,387 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:24:38,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-09-08 12:24:38,644 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 12:24:38,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:24:38,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 85 conjuncts are in the unsatisfiable core [2024-09-08 12:24:38,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:24:39,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 102 proven. 956 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-09-08 12:24:39,982 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:24:40,408 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-09-08 12:24:40,409 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 25 treesize of output 13 [2024-09-08 12:24:40,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 57 proven. 840 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-09-08 12:24:40,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [912399702] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:24:40,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:24:40,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 35, 18] total 89 [2024-09-08 12:24:40,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192088041] [2024-09-08 12:24:40,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:24:40,511 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2024-09-08 12:24:40,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:24:40,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2024-09-08 12:24:40,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=628, Invalid=7382, Unknown=0, NotChecked=0, Total=8010 [2024-09-08 12:24:40,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:24:40,514 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:24:40,515 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 4.933333333333334) internal successors, (444), 89 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:24:40,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:24:40,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:24:40,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:24:40,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:24:40,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:24:40,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:24:40,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:24:40,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:24:40,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:24:40,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:24:40,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:24:40,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:24:40,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:24:40,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:24:40,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:24:40,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:24:40,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:24:40,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:24:40,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:24:40,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:24:40,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 12:24:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-08 12:24:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:24:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 12:24:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-09-08 12:24:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:24:40,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:24:43,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:24:43,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:24:43,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:24:43,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:24:43,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:24:43,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:24:43,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:24:43,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:24:43,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:24:43,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:24:43,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:24:43,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:24:43,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:24:43,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:24:43,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:24:43,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:24:43,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:24:43,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:24:43,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:24:43,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:24:43,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 12:24:43,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-08 12:24:43,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:24:43,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 12:24:43,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-09-08 12:24:43,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:24:43,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-09-08 12:24:43,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-09-08 12:24:43,444 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-09-08 12:24:43,444 INFO L399 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:24:43,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:24:43,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1549457598, now seen corresponding path program 21 times [2024-09-08 12:24:43,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:24:43,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383684558] [2024-09-08 12:24:43,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:24:43,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:24:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:24:44,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1322 backedges. 805 proven. 405 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-09-08 12:24:44,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:24:44,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383684558] [2024-09-08 12:24:44,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383684558] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:24:44,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069194778] [2024-09-08 12:24:44,789 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 12:24:44,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:24:44,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:24:44,791 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:24:44,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-09-08 12:24:53,186 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-09-08 12:24:53,186 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:24:53,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 128 conjuncts are in the unsatisfiable core [2024-09-08 12:24:53,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:24:56,387 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 12:24:56,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 98 treesize of output 108 [2024-09-08 12:24:56,415 WARN L672 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-09-08 12:24:56,427 WARN L672 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-09-08 12:24:56,433 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-09-08 12:24:56,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1322 backedges. 74 proven. 1111 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-09-08 12:24:56,565 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:24:59,874 INFO L349 Elim1Store]: treesize reduction 40, result has 50.6 percent of original size [2024-09-08 12:24:59,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 117 treesize of output 77 [2024-09-08 12:25:00,011 WARN L672 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-09-08 12:25:01,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1322 backedges. 71 proven. 1045 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-09-08 12:25:01,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069194778] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:25:01,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:25:01,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 52, 43] total 134 [2024-09-08 12:25:01,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928064845] [2024-09-08 12:25:01,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:25:01,415 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2024-09-08 12:25:01,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:25:01,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2024-09-08 12:25:01,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2435, Invalid=15655, Unknown=0, NotChecked=0, Total=18090 [2024-09-08 12:25:01,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:25:01,419 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:25:01,419 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 135 states, 135 states have (on average 4.103703703703704) internal successors, (554), 134 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:25:01,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:25:01,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:25:01,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:25:01,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:25:01,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:25:01,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:25:01,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:25:01,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:25:01,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:25:01,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:25:01,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:25:01,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:25:01,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:25:01,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:25:01,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:25:01,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:25:01,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:25:01,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:25:01,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:25:01,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:25:01,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 12:25:01,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-08 12:25:01,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:25:01,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 12:25:01,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-09-08 12:25:01,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:25:01,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-09-08 12:25:01,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:25:08,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:25:08,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:25:08,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:25:08,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:25:08,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:25:08,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:25:08,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:25:08,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:25:08,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:25:08,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:25:08,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:25:08,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:25:08,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:25:08,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:25:08,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:25:08,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:25:08,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:25:08,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:25:08,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:25:08,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:25:08,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 12:25:08,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-08 12:25:08,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:25:08,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 12:25:08,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-09-08 12:25:08,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:25:08,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-09-08 12:25:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-09-08 12:25:08,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-09-08 12:25:08,944 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-09-08 12:25:08,944 INFO L399 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:25:08,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:25:08,944 INFO L85 PathProgramCache]: Analyzing trace with hash -259149685, now seen corresponding path program 22 times [2024-09-08 12:25:08,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:25:08,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928857945] [2024-09-08 12:25:08,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:25:08,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:25:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:25:10,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2693 backedges. 1461 proven. 829 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2024-09-08 12:25:10,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:25:10,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928857945] [2024-09-08 12:25:10,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928857945] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:25:10,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096362970] [2024-09-08 12:25:10,106 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-08 12:25:10,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:25:10,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:25:10,108 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:25:10,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-09-08 12:25:10,399 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-08 12:25:10,400 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:25:10,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 1229 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-09-08 12:25:10,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:25:12,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2693 backedges. 2369 proven. 210 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-09-08 12:25:12,232 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:25:14,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2693 backedges. 1901 proven. 678 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-09-08 12:25:14,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096362970] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:25:14,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:25:14,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 48, 48] total 126 [2024-09-08 12:25:14,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85480537] [2024-09-08 12:25:14,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:25:14,427 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 126 states [2024-09-08 12:25:14,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:25:14,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2024-09-08 12:25:14,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2815, Invalid=12935, Unknown=0, NotChecked=0, Total=15750 [2024-09-08 12:25:14,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:25:14,431 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:25:14,431 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 126 states, 126 states have (on average 6.134920634920635) internal successors, (773), 126 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:25:14,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:25:14,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:25:14,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:25:14,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:25:14,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:25:14,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:25:14,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:25:14,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:25:14,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:25:14,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:25:14,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:25:14,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:25:14,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:25:14,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:25:14,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:25:14,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:25:14,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:25:14,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:25:14,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:25:14,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:25:14,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 12:25:14,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-08 12:25:14,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:25:14,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 12:25:14,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-09-08 12:25:14,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:25:14,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-09-08 12:25:14,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-09-08 12:25:14,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:25:14,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:25:14,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:25:14,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:25:14,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:25:14,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:25:14,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:25:14,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:25:14,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:25:14,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:25:14,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:25:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:25:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:25:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:25:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:25:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:25:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:25:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:25:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:25:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:25:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:25:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 12:25:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-08 12:25:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:25:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 12:25:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-09-08 12:25:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:25:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-09-08 12:25:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-09-08 12:25:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-09-08 12:25:14,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-09-08 12:25:15,002 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-09-08 12:25:15,002 INFO L399 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:25:15,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:25:15,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1157959545, now seen corresponding path program 23 times [2024-09-08 12:25:15,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:25:15,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305323601] [2024-09-08 12:25:15,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:25:15,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:25:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:25:16,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2849 backedges. 1649 proven. 690 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-09-08 12:25:16,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:25:16,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305323601] [2024-09-08 12:25:16,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305323601] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:25:16,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818546850] [2024-09-08 12:25:16,313 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-08 12:25:16,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:25:16,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:25:16,315 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:25:16,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-09-08 12:26:05,135 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2024-09-08 12:26:05,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:26:05,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 1292 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-09-08 12:26:05,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:26:06,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2849 backedges. 2061 proven. 310 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2024-09-08 12:26:06,569 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:26:08,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2849 backedges. 2033 proven. 338 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2024-09-08 12:26:08,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818546850] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:26:08,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:26:08,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 37, 37] total 105 [2024-09-08 12:26:08,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127063148] [2024-09-08 12:26:08,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:26:08,227 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2024-09-08 12:26:08,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:26:08,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2024-09-08 12:26:08,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2850, Invalid=8070, Unknown=0, NotChecked=0, Total=10920 [2024-09-08 12:26:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:26:08,230 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:26:08,231 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 105 states, 105 states have (on average 6.819047619047619) internal successors, (716), 105 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 12:26:08,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:26:08,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:26:08,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:26:08,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:26:08,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:26:08,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:26:08,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:26:08,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:26:08,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:26:08,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:26:08,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:26:08,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:26:08,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:26:08,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:26:08,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:26:08,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:26:08,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:26:08,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:26:08,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:26:08,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:26:08,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 12:26:08,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-08 12:26:08,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:26:08,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 12:26:08,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-09-08 12:26:08,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:26:08,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-09-08 12:26:08,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-09-08 12:26:08,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-09-08 12:26:08,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:26:08,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:26:08,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:26:08,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 12:26:08,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:26:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:26:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:26:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-08 12:26:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 12:26:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 12:26:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:26:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-08 12:26:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:26:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 12:26:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 12:26:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-09-08 12:26:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 12:26:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:26:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:26:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:26:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 12:26:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 12:26:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-08 12:26:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-08 12:26:08,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 12:26:08,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-09-08 12:26:08,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 12:26:08,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-09-08 12:26:08,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-09-08 12:26:08,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-09-08 12:26:08,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-08 12:26:08,982 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-09-08 12:26:09,142 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:26:09,143 INFO L399 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 12:26:09,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:26:09,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1390908085, now seen corresponding path program 24 times [2024-09-08 12:26:09,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:26:09,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925374271] [2024-09-08 12:26:09,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:26:09,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:26:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:26:11,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2900 backedges. 1141 proven. 1581 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-09-08 12:26:11,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:26:11,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925374271] [2024-09-08 12:26:11,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925374271] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:26:11,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486491703] [2024-09-08 12:26:11,470 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-08 12:26:11,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:26:11,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:26:11,472 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:26:11,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process Killed by 15