./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/test-context1.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/test-context1.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2cc22fce 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/test-context1.wvr.c ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/test-context1.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2cc22fc-m [2024-07-22 20:42:02,398 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 20:42:02,461 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-22 20:42:02,468 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 20:42:02,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 20:42:02,492 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 20:42:02,492 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 20:42:02,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 20:42:02,493 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 20:42:02,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 20:42:02,497 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 20:42:02,497 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 20:42:02,497 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 20:42:02,498 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 20:42:02,499 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 20:42:02,499 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 20:42:02,499 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-22 20:42:02,499 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 20:42:02,499 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 20:42:02,500 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 20:42:02,500 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 20:42:02,500 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 20:42:02,500 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 20:42:02,501 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 20:42:02,501 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 20:42:02,501 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 20:42:02,501 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 20:42:02,502 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 20:42:02,502 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 20:42:02,502 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 20:42:02,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 20:42:02,503 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 20:42:02,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 20:42:02,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 20:42:02,504 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-22 20:42:02,504 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 20:42:02,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-22 20:42:02,504 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 20:42:02,504 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 20:42:02,504 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 20:42:02,505 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 20:42:02,505 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 20:42:02,505 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-07-22 20:42:02,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 20:42:02,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 20:42:02,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 20:42:02,751 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 20:42:02,752 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 20:42:02,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/test-context1.wvr.c [2024-07-22 20:42:03,712 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 20:42:03,866 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 20:42:03,866 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-context1.wvr.c [2024-07-22 20:42:03,872 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a4d295cc4/82a1416ce3f84b3f88dccd8de4d2dbab/FLAG1ea770261 [2024-07-22 20:42:03,881 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a4d295cc4/82a1416ce3f84b3f88dccd8de4d2dbab [2024-07-22 20:42:03,884 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-22 20:42:03,885 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-22 20:42:03,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/test-context1.wvr.yml/witness.yml [2024-07-22 20:42:03,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 20:42:03,998 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-22 20:42:03,999 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 20:42:03,999 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 20:42:04,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 20:42:04,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 08:42:03" (1/2) ... [2024-07-22 20:42:04,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636627c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 08:42:04, skipping insertion in model container [2024-07-22 20:42:04,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 08:42:03" (1/2) ... [2024-07-22 20:42:04,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1883e5c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 08:42:04, skipping insertion in model container [2024-07-22 20:42:04,006 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 08:42:03" (2/2) ... [2024-07-22 20:42:04,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636627c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:42:04, skipping insertion in model container [2024-07-22 20:42:04,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 08:42:03" (2/2) ... [2024-07-22 20:42:04,007 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-22 20:42:04,023 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-22 20:42:04,023 INFO L97 edCorrectnessWitness]: Location invariant before [L81-L81] (! multithreaded || 0 <= front) && (! multithreaded || 0 <= front) [2024-07-22 20:42:04,024 INFO L97 edCorrectnessWitness]: Location invariant before [L80-L80] (! multithreaded || 0 <= front) && (! multithreaded || 0 <= front) [2024-07-22 20:42:04,024 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-22 20:42:04,024 INFO L106 edCorrectnessWitness]: ghost_update [L79-L79] multithreaded = 1; [2024-07-22 20:42:04,041 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 20:42:04,191 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/test-context1.wvr.c[2459,2472] [2024-07-22 20:42:04,198 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 20:42:04,203 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-22 20:42:04,264 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/test-context1.wvr.c[2459,2472] [2024-07-22 20:42:04,270 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 20:42:04,283 INFO L206 MainTranslator]: Completed translation [2024-07-22 20:42:04,283 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:42:04 WrapperNode [2024-07-22 20:42:04,283 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 20:42:04,285 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-22 20:42:04,285 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-22 20:42:04,285 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-22 20:42:04,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:42:04" (1/1) ... [2024-07-22 20:42:04,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:42:04" (1/1) ... [2024-07-22 20:42:04,327 INFO L138 Inliner]: procedures = 23, calls = 24, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 132 [2024-07-22 20:42:04,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-22 20:42:04,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-22 20:42:04,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-22 20:42:04,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-22 20:42:04,336 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:42:04" (1/1) ... [2024-07-22 20:42:04,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:42:04" (1/1) ... [2024-07-22 20:42:04,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:42:04" (1/1) ... [2024-07-22 20:42:04,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:42:04" (1/1) ... [2024-07-22 20:42:04,353 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:42:04" (1/1) ... [2024-07-22 20:42:04,364 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:42:04" (1/1) ... [2024-07-22 20:42:04,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:42:04" (1/1) ... [2024-07-22 20:42:04,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:42:04" (1/1) ... [2024-07-22 20:42:04,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-22 20:42:04,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-22 20:42:04,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-22 20:42:04,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-22 20:42:04,369 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:42:04" (1/1) ... [2024-07-22 20:42:04,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 20:42:04,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:42:04,394 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) [2024-07-22 20:42:04,404 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 [2024-07-22 20:42:04,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-22 20:42:04,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-07-22 20:42:04,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-07-22 20:42:04,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-07-22 20:42:04,427 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-07-22 20:42:04,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-22 20:42:04,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-07-22 20:42:04,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-07-22 20:42:04,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-07-22 20:42:04,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-07-22 20:42:04,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-22 20:42:04,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-22 20:42:04,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-07-22 20:42:04,429 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-22 20:42:04,518 INFO L244 CfgBuilder]: Building ICFG [2024-07-22 20:42:04,520 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-22 20:42:04,674 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-22 20:42:04,674 INFO L293 CfgBuilder]: Performing block encoding [2024-07-22 20:42:04,785 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-22 20:42:04,786 INFO L320 CfgBuilder]: Removed 3 assume(true) statements. [2024-07-22 20:42:04,786 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 08:42:04 BoogieIcfgContainer [2024-07-22 20:42:04,786 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-22 20:42:04,788 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-22 20:42:04,788 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-22 20:42:04,790 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-22 20:42:04,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 08:42:03" (1/4) ... [2024-07-22 20:42:04,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10760e56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 08:42:04, skipping insertion in model container [2024-07-22 20:42:04,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 08:42:03" (2/4) ... [2024-07-22 20:42:04,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10760e56 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 08:42:04, skipping insertion in model container [2024-07-22 20:42:04,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:42:04" (3/4) ... [2024-07-22 20:42:04,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10760e56 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 08:42:04, skipping insertion in model container [2024-07-22 20:42:04,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 08:42:04" (4/4) ... [2024-07-22 20:42:04,792 INFO L112 eAbstractionObserver]: Analyzing ICFG test-context1.wvr.c [2024-07-22 20:42:04,804 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-22 20:42:04,805 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-07-22 20:42:04,805 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-22 20:42:04,834 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-07-22 20:42:04,875 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 20:42:04,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-22 20:42:04,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:42:04,881 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) [2024-07-22 20:42:04,882 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 [2024-07-22 20:42:04,932 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-22 20:42:04,942 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-22 20:42:04,953 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1699e441, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 20:42:04,953 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-07-22 20:42:05,050 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:42:05,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:42:05,054 INFO L85 PathProgramCache]: Analyzing trace with hash -305504209, now seen corresponding path program 1 times [2024-07-22 20:42:05,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:42:05,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525165523] [2024-07-22 20:42:05,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:42:05,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:42:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:42:05,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:42:05,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:42:05,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525165523] [2024-07-22 20:42:05,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525165523] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:42:05,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:42:05,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-07-22 20:42:05,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804303611] [2024-07-22 20:42:05,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:42:05,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 20:42:05,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:42:05,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 20:42:05,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 20:42:05,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:05,276 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:42:05,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 20:42:05,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:05,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:05,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-22 20:42:05,362 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:42:05,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:42:05,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1001531803, now seen corresponding path program 1 times [2024-07-22 20:42:05,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:42:05,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262273117] [2024-07-22 20:42:05,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:42:05,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:42:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:42:05,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:42:05,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:42:05,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262273117] [2024-07-22 20:42:05,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262273117] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:42:05,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:42:05,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-22 20:42:05,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868539282] [2024-07-22 20:42:05,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:42:05,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 20:42:05,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:42:05,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 20:42:05,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 20:42:05,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:05,459 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:42:05,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 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) [2024-07-22 20:42:05,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:05,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:05,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:05,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:05,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-22 20:42:05,493 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:42:05,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:42:05,494 INFO L85 PathProgramCache]: Analyzing trace with hash -662572267, now seen corresponding path program 1 times [2024-07-22 20:42:05,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:42:05,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597360697] [2024-07-22 20:42:05,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:42:05,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:42:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:42:05,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:42:05,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:42:05,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597360697] [2024-07-22 20:42:05,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597360697] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:42:05,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:42:05,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-07-22 20:42:05,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860430242] [2024-07-22 20:42:05,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:42:05,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 20:42:05,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:42:05,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 20:42:05,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 20:42:05,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:05,562 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:42:05,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 20:42:05,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:05,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:05,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:05,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:05,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:05,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:05,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-07-22 20:42:05,632 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:42:05,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:42:05,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1993522146, now seen corresponding path program 1 times [2024-07-22 20:42:05,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:42:05,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938264072] [2024-07-22 20:42:05,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:42:05,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:42:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:42:05,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-07-22 20:42:05,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:42:05,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938264072] [2024-07-22 20:42:05,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938264072] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 20:42:05,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 20:42:05,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 20:42:05,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908598867] [2024-07-22 20:42:05,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 20:42:05,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-22 20:42:05,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:42:05,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-22 20:42:05,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-07-22 20:42:05,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:05,742 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:42:05,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-07-22 20:42:05,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:05,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:05,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:05,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:05,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:05,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:05,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:05,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:05,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-07-22 20:42:05,787 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:42:05,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:42:05,787 INFO L85 PathProgramCache]: Analyzing trace with hash -976775827, now seen corresponding path program 1 times [2024-07-22 20:42:05,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:42:05,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453980197] [2024-07-22 20:42:05,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:42:05,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:42:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:42:05,993 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-22 20:42:05,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:42:05,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453980197] [2024-07-22 20:42:05,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453980197] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:42:05,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793682314] [2024-07-22 20:42:05,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:42:05,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:42:05,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:42:06,033 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) [2024-07-22 20:42:06,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-07-22 20:42:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:42:06,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 8 conjunts are in the unsatisfiable core [2024-07-22 20:42:06,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:42:06,216 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-22 20:42:06,217 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:42:06,274 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-07-22 20:42:06,275 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 27 treesize of output 11 [2024-07-22 20:42:06,296 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-22 20:42:06,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793682314] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:42:06,297 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:42:06,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2024-07-22 20:42:06,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978475972] [2024-07-22 20:42:06,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:42:06,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-07-22 20:42:06,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:42:06,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-07-22 20:42:06,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-07-22 20:42:06,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:06,299 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:42:06,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 9 states have internal predecessors, (64), 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) [2024-07-22 20:42:06,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:06,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:06,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:06,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:06,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:06,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:06,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-07-22 20:42:06,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:42:06,626 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:42:06,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:42:06,626 INFO L85 PathProgramCache]: Analyzing trace with hash -883941885, now seen corresponding path program 2 times [2024-07-22 20:42:06,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:42:06,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910265139] [2024-07-22 20:42:06,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:42:06,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:42:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:42:06,684 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-22 20:42:06,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:42:06,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910265139] [2024-07-22 20:42:06,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910265139] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:42:06,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150053724] [2024-07-22 20:42:06,689 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-22 20:42:06,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:42:06,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:42:06,690 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) [2024-07-22 20:42:06,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-07-22 20:42:06,757 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-22 20:42:06,758 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 20:42:06,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 8 conjunts are in the unsatisfiable core [2024-07-22 20:42:06,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:42:06,862 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:42:06,862 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:42:06,995 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:42:06,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150053724] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:42:06,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:42:06,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 12 [2024-07-22 20:42:06,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056495561] [2024-07-22 20:42:06,996 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:42:06,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-07-22 20:42:06,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:42:06,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-07-22 20:42:06,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-07-22 20:42:06,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:06,999 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:42:06,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 12 states have internal predecessors, (81), 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) [2024-07-22 20:42:06,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:07,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:07,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:07,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:07,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:07,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:07,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:07,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:07,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:07,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:07,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:07,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:42:07,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-07-22 20:42:07,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:42:07,350 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:42:07,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:42:07,351 INFO L85 PathProgramCache]: Analyzing trace with hash -106895799, now seen corresponding path program 3 times [2024-07-22 20:42:07,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:42:07,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881083291] [2024-07-22 20:42:07,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:42:07,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:42:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:42:07,696 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-22 20:42:07,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:42:07,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881083291] [2024-07-22 20:42:07,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881083291] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:42:07,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806661745] [2024-07-22 20:42:07,700 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-22 20:42:07,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:42:07,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:42:07,702 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) [2024-07-22 20:42:07,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-07-22 20:42:07,798 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-07-22 20:42:07,798 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 20:42:07,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 32 conjunts are in the unsatisfiable core [2024-07-22 20:42:07,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:42:07,857 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 15 treesize of output 1 [2024-07-22 20:42:08,050 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:42:08,051 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:42:08,501 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 43 treesize of output 39 [2024-07-22 20:42:08,519 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-07-22 20:42:08,520 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 61 treesize of output 47 [2024-07-22 20:42:08,620 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:42:08,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806661745] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:42:08,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:42:08,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 22 [2024-07-22 20:42:08,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016631858] [2024-07-22 20:42:08,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:42:08,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-07-22 20:42:08,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:42:08,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-07-22 20:42:08,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=423, Unknown=0, NotChecked=0, Total=506 [2024-07-22 20:42:08,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:08,627 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:42:08,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.608695652173913) internal successors, (83), 22 states have internal predecessors, (83), 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) [2024-07-22 20:42:08,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:08,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:08,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:08,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:08,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:08,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:42:08,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:09,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:09,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:09,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:09,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:09,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:09,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:42:09,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:42:09,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-07-22 20:42:09,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:42:09,244 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:42:09,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:42:09,244 INFO L85 PathProgramCache]: Analyzing trace with hash 655580236, now seen corresponding path program 4 times [2024-07-22 20:42:09,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:42:09,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915614180] [2024-07-22 20:42:09,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:42:09,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:42:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:42:09,380 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 49 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-22 20:42:09,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:42:09,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915614180] [2024-07-22 20:42:09,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915614180] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:42:09,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429510806] [2024-07-22 20:42:09,382 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-22 20:42:09,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:42:09,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:42:09,383 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) [2024-07-22 20:42:09,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-07-22 20:42:09,482 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-22 20:42:09,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 20:42:09,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 17 conjunts are in the unsatisfiable core [2024-07-22 20:42:09,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:42:09,713 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 49 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-22 20:42:09,713 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:42:09,925 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-22 20:42:09,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429510806] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:42:09,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:42:09,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 10] total 28 [2024-07-22 20:42:09,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255384658] [2024-07-22 20:42:09,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:42:09,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-07-22 20:42:09,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:42:09,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-07-22 20:42:09,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2024-07-22 20:42:09,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:09,928 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:42:09,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.103448275862069) internal successors, (119), 28 states have internal predecessors, (119), 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) [2024-07-22 20:42:09,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:09,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:09,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:09,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:09,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:09,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:42:09,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:42:09,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:10,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:10,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:10,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:10,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:10,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:10,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:42:10,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:42:10,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:42:10,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-07-22 20:42:10,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-07-22 20:42:10,353 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:42:10,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:42:10,353 INFO L85 PathProgramCache]: Analyzing trace with hash -563316831, now seen corresponding path program 5 times [2024-07-22 20:42:10,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:42:10,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114593477] [2024-07-22 20:42:10,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:42:10,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:42:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:42:10,877 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:42:10,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:42:10,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114593477] [2024-07-22 20:42:10,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114593477] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:42:10,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126443300] [2024-07-22 20:42:10,878 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-22 20:42:10,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:42:10,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:42:10,879 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) [2024-07-22 20:42:10,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-07-22 20:42:10,955 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-07-22 20:42:10,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 20:42:10,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 26 conjunts are in the unsatisfiable core [2024-07-22 20:42:10,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:42:11,185 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-07-22 20:42:11,186 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:42:11,246 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-07-22 20:42:11,249 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 28 treesize of output 11 [2024-07-22 20:42:11,416 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 11 proven. 36 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-07-22 20:42:11,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126443300] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:42:11,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:42:11,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 8] total 27 [2024-07-22 20:42:11,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33814095] [2024-07-22 20:42:11,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:42:11,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-07-22 20:42:11,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:42:11,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-07-22 20:42:11,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2024-07-22 20:42:11,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:11,419 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:42:11,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.428571428571429) internal successors, (124), 27 states have internal predecessors, (124), 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) [2024-07-22 20:42:11,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:11,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:11,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:11,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:11,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:11,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:42:11,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:42:11,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:42:11,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:12,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:12,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:12,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:12,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:12,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:12,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:42:12,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:42:12,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:42:12,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:42:12,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-07-22 20:42:12,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:42:12,802 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:42:12,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:42:12,802 INFO L85 PathProgramCache]: Analyzing trace with hash -647762974, now seen corresponding path program 6 times [2024-07-22 20:42:12,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:42:12,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587006751] [2024-07-22 20:42:12,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:42:12,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:42:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:42:13,050 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 73 proven. 47 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-07-22 20:42:13,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:42:13,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587006751] [2024-07-22 20:42:13,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587006751] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:42:13,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199145524] [2024-07-22 20:42:13,051 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-22 20:42:13,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:42:13,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:42:13,052 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) [2024-07-22 20:42:13,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-07-22 20:42:13,242 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-07-22 20:42:13,242 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 20:42:13,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 16 conjunts are in the unsatisfiable core [2024-07-22 20:42:13,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:42:13,545 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 105 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-07-22 20:42:13,546 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:42:13,859 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 90 proven. 30 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-07-22 20:42:13,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199145524] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:42:13,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:42:13,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 37 [2024-07-22 20:42:13,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555956738] [2024-07-22 20:42:13,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:42:13,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-07-22 20:42:13,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:42:13,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-07-22 20:42:13,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=1045, Unknown=0, NotChecked=0, Total=1406 [2024-07-22 20:42:13,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:13,863 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:42:13,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 4.105263157894737) internal successors, (156), 37 states have internal predecessors, (156), 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) [2024-07-22 20:42:13,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:13,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:13,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:13,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:13,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:13,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:42:13,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:42:13,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:42:13,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:42:13,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:14,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:14,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:14,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:14,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:14,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:14,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:42:14,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:42:14,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:42:14,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:42:14,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:42:14,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-07-22 20:42:14,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-07-22 20:42:14,269 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:42:14,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:42:14,269 INFO L85 PathProgramCache]: Analyzing trace with hash 990645879, now seen corresponding path program 7 times [2024-07-22 20:42:14,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:42:14,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829976481] [2024-07-22 20:42:14,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:42:14,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:42:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:42:14,791 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 3 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:42:14,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:42:14,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829976481] [2024-07-22 20:42:14,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829976481] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:42:14,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096574536] [2024-07-22 20:42:14,792 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-07-22 20:42:14,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:42:14,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:42:14,793 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) [2024-07-22 20:42:14,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-07-22 20:42:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:42:14,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 50 conjunts are in the unsatisfiable core [2024-07-22 20:42:14,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:42:15,355 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 134 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-22 20:42:15,355 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:42:15,465 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-07-22 20:42:15,465 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 28 treesize of output 11 [2024-07-22 20:42:15,576 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-07-22 20:42:15,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096574536] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:42:15,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:42:15,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19, 8] total 41 [2024-07-22 20:42:15,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706183940] [2024-07-22 20:42:15,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:42:15,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-07-22 20:42:15,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:42:15,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-07-22 20:42:15,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=1591, Unknown=0, NotChecked=0, Total=1722 [2024-07-22 20:42:15,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:15,579 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:42:15,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 3.6904761904761907) internal successors, (155), 41 states have internal predecessors, (155), 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) [2024-07-22 20:42:15,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:15,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:15,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:15,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:15,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:15,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:42:15,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:42:15,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:42:15,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:42:15,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:42:15,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:17,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:17,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:17,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:17,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:17,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:17,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:42:17,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:42:17,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:42:17,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:42:17,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:42:17,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:42:17,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-07-22 20:42:17,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:42:17,304 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:42:17,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:42:17,304 INFO L85 PathProgramCache]: Analyzing trace with hash 358047162, now seen corresponding path program 8 times [2024-07-22 20:42:17,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:42:17,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393102638] [2024-07-22 20:42:17,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:42:17,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:42:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:42:17,651 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 182 proven. 28 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-07-22 20:42:17,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:42:17,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393102638] [2024-07-22 20:42:17,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393102638] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:42:17,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567282642] [2024-07-22 20:42:17,652 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-22 20:42:17,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:42:17,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:42:17,656 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) [2024-07-22 20:42:17,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-07-22 20:42:17,758 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-22 20:42:17,758 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 20:42:17,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 22 conjunts are in the unsatisfiable core [2024-07-22 20:42:17,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:42:18,099 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 182 proven. 28 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-07-22 20:42:18,099 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:42:18,520 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 117 proven. 93 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-07-22 20:42:18,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567282642] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:42:18,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:42:18,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 49 [2024-07-22 20:42:18,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561322602] [2024-07-22 20:42:18,521 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:42:18,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-07-22 20:42:18,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:42:18,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-07-22 20:42:18,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=605, Invalid=1845, Unknown=0, NotChecked=0, Total=2450 [2024-07-22 20:42:18,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:18,523 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:42:18,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 3.7) internal successors, (185), 49 states have internal predecessors, (185), 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) [2024-07-22 20:42:18,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:18,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:18,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:18,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:18,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:18,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:42:18,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:42:18,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:42:18,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:42:18,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:42:18,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:42:18,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:18,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:18,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:18,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:18,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:18,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:42:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:42:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:42:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:42:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:42:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:42:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:42:18,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-07-22 20:42:18,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:42:18,978 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:42:18,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:42:18,978 INFO L85 PathProgramCache]: Analyzing trace with hash -506407025, now seen corresponding path program 9 times [2024-07-22 20:42:18,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:42:18,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061271793] [2024-07-22 20:42:18,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:42:18,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:42:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:42:19,869 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 45 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:42:19,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:42:19,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061271793] [2024-07-22 20:42:19,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061271793] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:42:19,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690869779] [2024-07-22 20:42:19,869 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-22 20:42:19,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:42:19,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:42:19,870 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) [2024-07-22 20:42:19,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-07-22 20:42:20,074 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-07-22 20:42:20,074 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 20:42:20,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 69 conjunts are in the unsatisfiable core [2024-07-22 20:42:20,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:42:20,271 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 15 treesize of output 1 [2024-07-22 20:42:20,318 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 15 treesize of output 1 [2024-07-22 20:42:21,240 INFO L349 Elim1Store]: treesize reduction 30, result has 9.1 percent of original size [2024-07-22 20:42:21,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 66 treesize of output 19 [2024-07-22 20:42:21,247 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 122 proven. 78 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-07-22 20:42:21,247 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:42:23,059 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 152 treesize of output 142 [2024-07-22 20:42:23,094 INFO L349 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2024-07-22 20:42:23,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 621 treesize of output 556 [2024-07-22 20:42:23,500 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 9 proven. 191 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-07-22 20:42:23,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690869779] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:42:23,500 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:42:23,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20, 20] total 59 [2024-07-22 20:42:23,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48619936] [2024-07-22 20:42:23,500 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:42:23,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-07-22 20:42:23,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:42:23,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-07-22 20:42:23,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=379, Invalid=3161, Unknown=0, NotChecked=0, Total=3540 [2024-07-22 20:42:23,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:23,503 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:42:23,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 3.0833333333333335) internal successors, (185), 59 states have internal predecessors, (185), 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) [2024-07-22 20:42:23,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:23,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:23,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:23,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:23,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:23,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:42:23,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:42:23,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:42:23,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:42:23,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:42:23,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:42:23,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:42:23,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:37,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:37,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:37,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:37,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:37,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:37,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:42:37,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:42:37,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:42:37,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:42:37,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:42:37,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:42:37,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:42:37,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:42:37,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-07-22 20:42:37,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-07-22 20:42:37,640 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:42:37,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:42:37,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1534683046, now seen corresponding path program 10 times [2024-07-22 20:42:37,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:42:37,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899679792] [2024-07-22 20:42:37,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:42:37,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:42:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:42:38,505 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 15 proven. 211 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-07-22 20:42:38,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:42:38,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899679792] [2024-07-22 20:42:38,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899679792] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:42:38,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222067550] [2024-07-22 20:42:38,506 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-22 20:42:38,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:42:38,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:42:38,507 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) [2024-07-22 20:42:38,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-07-22 20:42:38,638 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-22 20:42:38,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 20:42:38,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 66 conjunts are in the unsatisfiable core [2024-07-22 20:42:38,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:42:39,407 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-22 20:42:39,407 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:42:39,556 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-07-22 20:42:39,556 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 28 treesize of output 11 [2024-07-22 20:42:39,776 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 23 proven. 144 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-07-22 20:42:39,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222067550] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:42:39,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:42:39,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 26, 12] total 57 [2024-07-22 20:42:39,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30643971] [2024-07-22 20:42:39,776 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:42:39,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-07-22 20:42:39,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:42:39,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-07-22 20:42:39,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=3047, Unknown=0, NotChecked=0, Total=3306 [2024-07-22 20:42:39,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:39,779 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:42:39,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 3.189655172413793) internal successors, (185), 57 states have internal predecessors, (185), 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) [2024-07-22 20:42:39,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:39,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:39,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:39,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:42:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:42:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:42:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:42:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:42:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:42:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:42:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:42:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:42,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:42,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:42,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:42,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:42,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:42,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:42:42,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:42:42,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:42:42,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:42:42,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:42:42,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:42:42,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:42:42,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:42:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:42:42,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-07-22 20:42:42,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:42:42,394 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:42:42,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:42:42,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1209745040, now seen corresponding path program 11 times [2024-07-22 20:42:42,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:42:42,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550035193] [2024-07-22 20:42:42,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:42:42,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:42:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:42:42,769 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 280 proven. 45 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-07-22 20:42:42,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:42:42,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550035193] [2024-07-22 20:42:42,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550035193] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:42:42,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385345235] [2024-07-22 20:42:42,770 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-22 20:42:42,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:42:42,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:42:42,771 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) [2024-07-22 20:42:42,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-07-22 20:42:42,915 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-07-22 20:42:42,915 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 20:42:42,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 35 conjunts are in the unsatisfiable core [2024-07-22 20:42:42,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:42:43,694 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 280 proven. 45 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-07-22 20:42:43,695 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:42:44,406 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 215 proven. 110 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-07-22 20:42:44,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385345235] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:42:44,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:42:44,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 26, 22] total 67 [2024-07-22 20:42:44,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501240873] [2024-07-22 20:42:44,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:42:44,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-07-22 20:42:44,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:42:44,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-07-22 20:42:44,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=798, Invalid=3758, Unknown=0, NotChecked=0, Total=4556 [2024-07-22 20:42:44,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:44,410 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:42:44,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 3.2058823529411766) internal successors, (218), 67 states have internal predecessors, (218), 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) [2024-07-22 20:42:44,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:44,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:44,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:44,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:44,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:44,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:42:44,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:42:44,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:42:44,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:42:44,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:42:44,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:42:44,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:42:44,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:42:44,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:42:44,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:44,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:44,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:44,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:44,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:42:44,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:42:44,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:42:44,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:42:44,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:42:44,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:42:44,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:42:44,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:42:44,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:42:44,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:42:44,990 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-07-22 20:42:45,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-07-22 20:42:45,180 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:42:45,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:42:45,180 INFO L85 PathProgramCache]: Analyzing trace with hash -979607643, now seen corresponding path program 12 times [2024-07-22 20:42:45,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:42:45,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605112127] [2024-07-22 20:42:45,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:42:45,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:42:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:42:46,237 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 54 proven. 311 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:42:46,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:42:46,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605112127] [2024-07-22 20:42:46,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605112127] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:42:46,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880705470] [2024-07-22 20:42:46,238 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-22 20:42:46,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:42:46,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:42:46,238 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) [2024-07-22 20:42:46,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-07-22 20:42:47,192 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-07-22 20:42:47,192 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 20:42:47,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 59 conjunts are in the unsatisfiable core [2024-07-22 20:42:47,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:42:48,130 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-07-22 20:42:48,130 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:42:48,382 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-07-22 20:42:48,382 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 28 treesize of output 11 [2024-07-22 20:42:49,295 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 145 proven. 190 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-07-22 20:42:49,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880705470] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:42:49,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:42:49,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 24, 24] total 72 [2024-07-22 20:42:49,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326216604] [2024-07-22 20:42:49,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:42:49,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-07-22 20:42:49,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:42:49,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-07-22 20:42:49,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=641, Invalid=4615, Unknown=0, NotChecked=0, Total=5256 [2024-07-22 20:42:49,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:49,298 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:42:49,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 3.2739726027397262) internal successors, (239), 72 states have internal predecessors, (239), 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) [2024-07-22 20:42:49,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:49,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:49,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:49,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:49,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:49,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:42:49,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:42:49,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:42:49,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:42:49,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:42:49,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:42:49,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:42:49,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:42:49,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:42:49,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:42:49,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:50,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:42:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:42:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:42:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:42:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:42:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:42:50,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:42:50,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:42:50,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:42:50,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:42:50,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:42:50,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-07-22 20:42:50,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-07-22 20:42:50,316 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:42:50,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:42:50,317 INFO L85 PathProgramCache]: Analyzing trace with hash -130064080, now seen corresponding path program 13 times [2024-07-22 20:42:50,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:42:50,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015146507] [2024-07-22 20:42:50,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:42:50,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:42:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:42:51,250 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 22 proven. 302 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-07-22 20:42:51,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:42:51,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015146507] [2024-07-22 20:42:51,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015146507] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:42:51,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255140471] [2024-07-22 20:42:51,250 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-07-22 20:42:51,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:42:51,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:42:51,251 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) [2024-07-22 20:42:51,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-07-22 20:42:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:42:51,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 78 conjunts are in the unsatisfiable core [2024-07-22 20:42:51,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:42:52,360 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 373 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-22 20:42:52,360 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:42:52,586 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-07-22 20:42:52,586 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 28 treesize of output 11 [2024-07-22 20:42:52,819 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-07-22 20:42:52,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255140471] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:42:52,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:42:52,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 31, 12] total 64 [2024-07-22 20:42:52,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006612126] [2024-07-22 20:42:52,819 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:42:52,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-07-22 20:42:52,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:42:52,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-07-22 20:42:52,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=3958, Unknown=0, NotChecked=0, Total=4160 [2024-07-22 20:42:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:52,821 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:42:52,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 3.1076923076923078) internal successors, (202), 64 states have internal predecessors, (202), 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) [2024-07-22 20:42:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:42:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:42:52,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:42:52,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:42:52,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:42:52,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:42:52,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:42:52,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:42:52,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:42:52,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:42:52,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:42:52,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:56,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:56,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:56,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:56,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:56,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:56,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:42:56,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:42:56,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:42:56,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:42:56,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:42:56,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:42:56,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:42:56,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:42:56,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:42:56,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:42:56,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:42:56,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:42:56,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-07-22 20:42:56,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-07-22 20:42:56,596 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:42:56,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:42:56,596 INFO L85 PathProgramCache]: Analyzing trace with hash -933947352, now seen corresponding path program 14 times [2024-07-22 20:42:56,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:42:56,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731742389] [2024-07-22 20:42:56,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:42:56,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:42:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:42:57,112 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 399 proven. 66 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-07-22 20:42:57,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:42:57,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731742389] [2024-07-22 20:42:57,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731742389] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:42:57,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926722895] [2024-07-22 20:42:57,112 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-22 20:42:57,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:42:57,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:42:57,113 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) [2024-07-22 20:42:57,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-07-22 20:42:57,237 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-22 20:42:57,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 20:42:57,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 30 conjunts are in the unsatisfiable core [2024-07-22 20:42:57,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:42:57,833 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 399 proven. 66 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-07-22 20:42:57,833 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:42:58,511 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 264 proven. 201 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-07-22 20:42:58,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926722895] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:42:58,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:42:58,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 73 [2024-07-22 20:42:58,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784241275] [2024-07-22 20:42:58,511 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:42:58,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2024-07-22 20:42:58,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:42:58,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2024-07-22 20:42:58,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1291, Invalid=4111, Unknown=0, NotChecked=0, Total=5402 [2024-07-22 20:42:58,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:58,514 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:42:58,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 3.391891891891892) internal successors, (251), 73 states have internal predecessors, (251), 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) [2024-07-22 20:42:58,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:58,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:58,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:58,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:58,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:58,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:42:58,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:42:58,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:42:58,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:42:58,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:42:58,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:42:58,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:42:58,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:42:58,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:42:58,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:42:58,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:42:58,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:42:58,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:42:58,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:42:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:42:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:42:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:42:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:42:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:42:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:42:58,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:42:58,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:42:58,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:42:58,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:42:58,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:42:58,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:42:58,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:42:58,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:42:58,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-22 20:42:58,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-07-22 20:42:59,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-07-22 20:42:59,072 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:42:59,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:42:59,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1211617155, now seen corresponding path program 15 times [2024-07-22 20:42:59,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:42:59,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640160059] [2024-07-22 20:42:59,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:42:59,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:42:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:43:00,321 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 120 proven. 402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:43:00,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:43:00,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640160059] [2024-07-22 20:43:00,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640160059] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:43:00,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690803228] [2024-07-22 20:43:00,321 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-22 20:43:00,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:43:00,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:43:00,322 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) [2024-07-22 20:43:00,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-07-22 20:43:00,914 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-07-22 20:43:00,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 20:43:00,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 94 conjunts are in the unsatisfiable core [2024-07-22 20:43:00,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:43:01,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-07-22 20:43:02,688 INFO L349 Elim1Store]: treesize reduction 38, result has 7.3 percent of original size [2024-07-22 20:43:02,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 87 treesize of output 22 [2024-07-22 20:43:02,696 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 175 proven. 287 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-07-22 20:43:02,696 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:43:05,546 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 135 treesize of output 123 [2024-07-22 20:43:05,571 INFO L349 Elim1Store]: treesize reduction 25, result has 39.0 percent of original size [2024-07-22 20:43:05,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 197 treesize of output 155 [2024-07-22 20:43:06,327 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-07-22 20:43:06,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690803228] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:43:06,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:43:06,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 30, 30] total 89 [2024-07-22 20:43:06,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508875822] [2024-07-22 20:43:06,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:43:06,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2024-07-22 20:43:06,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:43:06,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2024-07-22 20:43:06,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=631, Invalid=7379, Unknown=0, NotChecked=0, Total=8010 [2024-07-22 20:43:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:43:06,331 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:43:06,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 2.8555555555555556) internal successors, (257), 89 states have internal predecessors, (257), 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) [2024-07-22 20:43:06,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:43:06,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:43:06,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:43:06,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:43:06,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:43:06,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:43:06,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:43:06,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:43:06,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:43:06,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:43:06,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:43:06,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:43:06,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:43:06,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:43:06,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:43:06,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:43:06,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:43:06,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-22 20:43:06,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:43:09,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:43:09,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:43:09,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:43:09,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:43:09,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:43:09,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:43:09,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:43:09,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:43:09,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:43:09,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:43:09,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:43:09,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:43:09,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:43:09,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:43:09,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:43:09,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:43:09,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:43:09,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-22 20:43:09,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-22 20:43:09,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-07-22 20:43:09,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:43:09,485 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:43:09,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:43:09,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1229446456, now seen corresponding path program 16 times [2024-07-22 20:43:09,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:43:09,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664672352] [2024-07-22 20:43:09,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:43:09,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:43:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:43:10,641 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 27 proven. 429 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-07-22 20:43:10,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:43:10,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664672352] [2024-07-22 20:43:10,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664672352] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:43:10,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480076168] [2024-07-22 20:43:10,641 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-22 20:43:10,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:43:10,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:43:10,642 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) [2024-07-22 20:43:10,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-07-22 20:43:10,869 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-22 20:43:10,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 20:43:10,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 95 conjunts are in the unsatisfiable core [2024-07-22 20:43:10,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:43:12,415 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 0 proven. 532 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-07-22 20:43:12,416 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:43:12,862 INFO L349 Elim1Store]: treesize reduction 10, result has 41.2 percent of original size [2024-07-22 20:43:12,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 18 [2024-07-22 20:43:13,162 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 35 proven. 324 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-07-22 20:43:13,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480076168] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:43:13,162 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:43:13,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 38, 16] total 79 [2024-07-22 20:43:13,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936273983] [2024-07-22 20:43:13,163 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:43:13,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2024-07-22 20:43:13,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:43:13,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2024-07-22 20:43:13,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=379, Invalid=5941, Unknown=0, NotChecked=0, Total=6320 [2024-07-22 20:43:13,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:43:13,165 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:43:13,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 2.95) internal successors, (236), 79 states have internal predecessors, (236), 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) [2024-07-22 20:43:13,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:43:13,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:43:13,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:43:13,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:43:13,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:43:13,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:43:13,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:43:13,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:43:13,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:43:13,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:43:13,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:43:13,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:43:13,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:43:13,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:43:13,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:43:13,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:43:13,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:43:13,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-22 20:43:13,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-07-22 20:43:13,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:43:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:43:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:43:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:43:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:43:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:43:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:43:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:43:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:43:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:43:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:43:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:43:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:43:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:43:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:43:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:43:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:43:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:43:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-22 20:43:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-22 20:43:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-07-22 20:43:16,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-07-22 20:43:16,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:43:16,976 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:43:16,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:43:16,976 INFO L85 PathProgramCache]: Analyzing trace with hash 876673598, now seen corresponding path program 17 times [2024-07-22 20:43:16,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:43:16,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188908591] [2024-07-22 20:43:16,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:43:16,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:43:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:43:17,651 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 539 proven. 91 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-07-22 20:43:17,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:43:17,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188908591] [2024-07-22 20:43:17,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188908591] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:43:17,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056430980] [2024-07-22 20:43:17,651 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-22 20:43:17,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:43:17,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:43:17,652 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) [2024-07-22 20:43:17,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-07-22 20:43:17,930 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-07-22 20:43:17,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 20:43:17,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 47 conjunts are in the unsatisfiable core [2024-07-22 20:43:17,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:43:19,152 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 539 proven. 91 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-07-22 20:43:19,152 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:43:20,294 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 444 proven. 186 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-07-22 20:43:20,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056430980] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:43:20,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:43:20,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 36, 30] total 93 [2024-07-22 20:43:20,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048524504] [2024-07-22 20:43:20,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:43:20,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-07-22 20:43:20,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:43:20,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-07-22 20:43:20,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1487, Invalid=7255, Unknown=0, NotChecked=0, Total=8742 [2024-07-22 20:43:20,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:43:20,298 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:43:20,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 3.021276595744681) internal successors, (284), 93 states have internal predecessors, (284), 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) [2024-07-22 20:43:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:43:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:43:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:43:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:43:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:43:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:43:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:43:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:43:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:43:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:43:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:43:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:43:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:43:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:43:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:43:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:43:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:43:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-22 20:43:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-07-22 20:43:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-07-22 20:43:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:43:21,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:43:21,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:43:21,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:43:21,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:43:21,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:43:21,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:43:21,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:43:21,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:43:21,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:43:21,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:43:21,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:43:21,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:43:21,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:43:21,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:43:21,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:43:21,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:43:21,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:43:21,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-22 20:43:21,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-22 20:43:21,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-07-22 20:43:21,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-07-22 20:43:21,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-07-22 20:43:21,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-07-22 20:43:21,415 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:43:21,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:43:21,415 INFO L85 PathProgramCache]: Analyzing trace with hash 105142739, now seen corresponding path program 18 times [2024-07-22 20:43:21,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:43:21,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071198282] [2024-07-22 20:43:21,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:43:21,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:43:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:43:22,989 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 135 proven. 572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:43:22,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:43:22,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071198282] [2024-07-22 20:43:22,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071198282] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:43:22,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493757907] [2024-07-22 20:43:22,990 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-22 20:43:22,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:43:22,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:43:22,991 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) [2024-07-22 20:43:22,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-07-22 20:43:24,674 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-07-22 20:43:24,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 20:43:24,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 99 conjunts are in the unsatisfiable core [2024-07-22 20:43:24,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:43:25,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-07-22 20:43:26,783 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 0 proven. 707 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:43:26,783 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:43:30,238 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 43 treesize of output 39 [2024-07-22 20:43:30,244 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-07-22 20:43:30,244 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 61 treesize of output 47 [2024-07-22 20:43:30,334 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-07-22 20:43:30,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493757907] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:43:30,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:43:30,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 44, 32] total 110 [2024-07-22 20:43:30,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778808869] [2024-07-22 20:43:30,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:43:30,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 111 states [2024-07-22 20:43:30,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:43:30,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2024-07-22 20:43:30,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1290, Invalid=10920, Unknown=0, NotChecked=0, Total=12210 [2024-07-22 20:43:30,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:43:30,339 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:43:30,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 111 states, 111 states have (on average 3.0) internal successors, (333), 110 states have internal predecessors, (333), 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) [2024-07-22 20:43:30,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:43:30,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:43:30,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:43:30,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:43:30,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:43:30,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:43:30,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:43:30,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:43:30,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:43:30,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:43:30,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:43:30,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:43:30,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:43:30,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:43:30,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:43:30,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:43:30,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:43:30,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-22 20:43:30,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-07-22 20:43:30,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-07-22 20:43:30,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-07-22 20:43:30,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:43:37,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-07-22 20:43:38,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-07-22 20:43:41,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-07-22 20:43:42,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-07-22 20:43:45,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-07-22 20:43:48,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-07-22 20:43:56,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-07-22 20:43:58,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-07-22 20:44:10,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-07-22 20:44:26,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-07-22 20:44:52,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-07-22 20:44:54,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-07-22 20:44:56,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-07-22 20:45:09,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:09,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:09,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:09,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:45:09,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:45:09,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:45:09,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:45:09,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:45:09,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:45:09,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:45:09,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:45:09,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:45:09,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:45:09,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:45:09,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:45:09,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:45:09,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:45:09,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-22 20:45:09,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-22 20:45:09,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-07-22 20:45:09,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-07-22 20:45:09,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-07-22 20:45:09,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-07-22 20:45:09,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:45:09,451 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:45:09,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:45:09,451 INFO L85 PathProgramCache]: Analyzing trace with hash 2098175822, now seen corresponding path program 19 times [2024-07-22 20:45:09,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:45:09,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335205359] [2024-07-22 20:45:09,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:45:09,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:45:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:45:10,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 657 proven. 1500 refuted. 0 times theorem prover too weak. 693 trivial. 0 not checked. [2024-07-22 20:45:10,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:45:10,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335205359] [2024-07-22 20:45:10,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335205359] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:45:10,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678313307] [2024-07-22 20:45:10,520 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-07-22 20:45:10,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:45:10,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:45:10,521 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) [2024-07-22 20:45:10,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-07-22 20:45:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:45:10,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 38 conjunts are in the unsatisfiable core [2024-07-22 20:45:10,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:45:11,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 2084 proven. 120 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2024-07-22 20:45:11,638 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:45:12,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 2039 proven. 165 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2024-07-22 20:45:12,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678313307] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:45:12,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:45:12,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 97 [2024-07-22 20:45:12,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257392467] [2024-07-22 20:45:12,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:45:12,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2024-07-22 20:45:12,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:45:12,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2024-07-22 20:45:12,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2297, Invalid=7209, Unknown=0, NotChecked=0, Total=9506 [2024-07-22 20:45:12,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:45:12,772 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:45:12,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 3.683673469387755) internal successors, (361), 97 states have internal predecessors, (361), 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) [2024-07-22 20:45:12,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:12,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:12,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:12,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:45:12,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:45:12,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:45:12,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:45:12,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:45:12,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:45:12,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:45:12,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:45:12,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:45:12,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:45:12,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:45:12,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:45:12,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:45:12,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:45:12,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-22 20:45:12,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-07-22 20:45:12,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-07-22 20:45:12,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-07-22 20:45:12,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-07-22 20:45:12,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:45:13,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:13,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:13,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:13,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:45:13,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:45:13,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:45:13,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:45:13,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:45:13,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:45:13,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:45:13,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:45:13,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:45:13,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:45:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:45:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:45:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:45:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:45:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-22 20:45:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-22 20:45:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-07-22 20:45:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-07-22 20:45:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-07-22 20:45:13,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-07-22 20:45:13,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-07-22 20:45:13,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-07-22 20:45:13,380 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:45:13,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:45:13,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1936044451, now seen corresponding path program 20 times [2024-07-22 20:45:13,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:45:13,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30976812] [2024-07-22 20:45:13,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:45:13,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:45:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:45:14,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2866 backedges. 749 proven. 1508 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked. [2024-07-22 20:45:14,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:45:14,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30976812] [2024-07-22 20:45:14,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30976812] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:45:14,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84480975] [2024-07-22 20:45:14,446 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-22 20:45:14,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:45:14,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:45:14,447 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) [2024-07-22 20:45:14,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-07-22 20:45:14,625 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-22 20:45:14,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 20:45:14,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 40 conjunts are in the unsatisfiable core [2024-07-22 20:45:14,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:45:15,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2866 backedges. 2169 proven. 136 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-07-22 20:45:15,579 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:45:16,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2866 backedges. 2121 proven. 184 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-07-22 20:45:16,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84480975] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:45:16,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:45:16,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 103 [2024-07-22 20:45:16,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178086188] [2024-07-22 20:45:16,849 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:45:16,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2024-07-22 20:45:16,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:45:16,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2024-07-22 20:45:16,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2585, Invalid=8127, Unknown=0, NotChecked=0, Total=10712 [2024-07-22 20:45:16,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:45:16,851 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:45:16,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 104 states have (on average 3.673076923076923) internal successors, (382), 103 states have internal predecessors, (382), 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) [2024-07-22 20:45:16,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:16,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:16,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:16,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:45:16,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:45:16,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:45:16,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:45:16,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:45:16,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:45:16,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:45:16,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:45:16,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:45:16,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:45:16,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:45:16,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:45:16,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:45:16,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:45:16,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-22 20:45:16,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-07-22 20:45:16,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-07-22 20:45:16,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-07-22 20:45:16,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-07-22 20:45:16,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-07-22 20:45:16,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:45:17,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:17,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:17,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:17,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:45:17,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:45:17,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:45:17,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:45:17,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:45:17,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:45:17,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:45:17,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:45:17,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:45:17,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:45:17,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:45:17,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:45:17,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:45:17,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:45:17,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-22 20:45:17,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-22 20:45:17,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-07-22 20:45:17,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-07-22 20:45:17,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-07-22 20:45:17,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-07-22 20:45:17,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-07-22 20:45:17,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-07-22 20:45:17,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:45:17,556 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:45:17,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:45:17,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1204939246, now seen corresponding path program 21 times [2024-07-22 20:45:17,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:45:17,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264812184] [2024-07-22 20:45:17,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:45:17,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:45:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:45:18,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2883 backedges. 847 proven. 1505 refuted. 0 times theorem prover too weak. 531 trivial. 0 not checked. [2024-07-22 20:45:18,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:45:18,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264812184] [2024-07-22 20:45:18,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264812184] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:45:18,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522942038] [2024-07-22 20:45:18,678 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-22 20:45:18,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:45:18,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:45:18,679 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) [2024-07-22 20:45:18,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-07-22 20:45:21,350 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-07-22 20:45:21,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 20:45:21,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 131 conjunts are in the unsatisfiable core [2024-07-22 20:45:21,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:45:21,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-07-22 20:45:21,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-07-22 20:45:21,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-07-22 20:45:21,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-07-22 20:45:23,480 INFO L349 Elim1Store]: treesize reduction 46, result has 6.1 percent of original size [2024-07-22 20:45:23,480 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 102 treesize of output 25 [2024-07-22 20:45:23,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2883 backedges. 1593 proven. 264 refuted. 0 times theorem prover too weak. 1026 trivial. 0 not checked. [2024-07-22 20:45:23,516 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:45:33,770 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 326 treesize of output 312 [2024-07-22 20:45:33,846 INFO L349 Elim1Store]: treesize reduction 30, result has 38.8 percent of original size [2024-07-22 20:45:33,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 27958 treesize of output 27172 [2024-07-22 20:45:35,395 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-07-22 20:45:36,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2883 backedges. 45 proven. 1812 refuted. 0 times theorem prover too weak. 1026 trivial. 0 not checked. [2024-07-22 20:45:36,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522942038] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:45:36,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:45:36,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 41, 42] total 117 [2024-07-22 20:45:36,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960941056] [2024-07-22 20:45:36,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:45:36,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 118 states [2024-07-22 20:45:36,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:45:36,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2024-07-22 20:45:36,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2217, Invalid=11587, Unknown=2, NotChecked=0, Total=13806 [2024-07-22 20:45:36,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:45:36,232 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:45:36,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 118 states, 118 states have (on average 2.9152542372881354) internal successors, (344), 117 states have internal predecessors, (344), 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) [2024-07-22 20:45:36,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:36,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:36,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:36,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:45:36,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:45:36,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:45:36,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:45:36,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:45:36,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:45:36,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:45:36,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:45:36,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:45:36,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:45:36,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:45:36,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:45:36,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:45:36,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:45:36,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-22 20:45:36,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-07-22 20:45:36,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-07-22 20:45:36,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-07-22 20:45:36,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-07-22 20:45:36,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-07-22 20:45:36,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-07-22 20:45:36,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:45:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:45:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:45:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:45:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:45:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:45:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:45:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:45:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:45:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:45:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:45:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:45:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:45:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:45:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:45:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-22 20:45:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-22 20:45:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-07-22 20:45:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-07-22 20:45:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-07-22 20:45:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-07-22 20:45:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-07-22 20:45:40,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-07-22 20:45:40,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-07-22 20:45:40,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-07-22 20:45:40,812 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:45:40,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:45:40,812 INFO L85 PathProgramCache]: Analyzing trace with hash 15514371, now seen corresponding path program 22 times [2024-07-22 20:45:40,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:45:40,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284821159] [2024-07-22 20:45:40,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:45:40,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:45:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:45:41,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2901 backedges. 951 proven. 1491 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2024-07-22 20:45:41,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:45:41,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284821159] [2024-07-22 20:45:41,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284821159] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:45:41,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079771402] [2024-07-22 20:45:41,957 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-07-22 20:45:41,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:45:41,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:45:41,958 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) [2024-07-22 20:45:41,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-07-22 20:45:42,285 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-07-22 20:45:42,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 20:45:42,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 100 conjunts are in the unsatisfiable core [2024-07-22 20:45:42,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:45:45,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2901 backedges. 2667 proven. 171 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-07-22 20:45:45,546 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:45:47,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2901 backedges. 2428 proven. 410 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-07-22 20:45:47,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079771402] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:45:47,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:45:47,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 73, 51] total 161 [2024-07-22 20:45:47,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457191224] [2024-07-22 20:45:47,996 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:45:47,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 162 states [2024-07-22 20:45:47,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:45:47,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2024-07-22 20:45:47,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5997, Invalid=20085, Unknown=0, NotChecked=0, Total=26082 [2024-07-22 20:45:47,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:45:47,999 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:45:48,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 162 states, 162 states have (on average 3.2222222222222223) internal successors, (522), 161 states have internal predecessors, (522), 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) [2024-07-22 20:45:48,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:48,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:48,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:48,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:45:48,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:45:48,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:45:48,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:45:48,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:45:48,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:45:48,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:45:48,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:45:48,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:45:48,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:45:48,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:45:48,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:45:48,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:45:48,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:45:48,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-22 20:45:48,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-07-22 20:45:48,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-07-22 20:45:48,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-07-22 20:45:48,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-07-22 20:45:48,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-07-22 20:45:48,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-07-22 20:45:48,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-07-22 20:45:48,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:45:48,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:48,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:48,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:45:48,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:45:48,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:45:48,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:45:48,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:45:48,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:45:48,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:45:48,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:45:48,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:45:48,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:45:48,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:45:48,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:45:48,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:45:48,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:45:48,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:45:48,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-22 20:45:48,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-22 20:45:48,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-07-22 20:45:48,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-07-22 20:45:48,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-07-22 20:45:48,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-07-22 20:45:48,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-07-22 20:45:48,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-07-22 20:45:48,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-22 20:45:48,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-07-22 20:45:48,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-07-22 20:45:48,470 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:45:48,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:45:48,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1241201475, now seen corresponding path program 23 times [2024-07-22 20:45:48,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:45:48,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024068434] [2024-07-22 20:45:48,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:45:48,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:45:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:45:52,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3195 backedges. 1563 proven. 1632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:45:52,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:45:52,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024068434] [2024-07-22 20:45:52,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024068434] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:45:52,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288192417] [2024-07-22 20:45:52,747 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-07-22 20:45:52,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:45:52,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:45:52,749 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) [2024-07-22 20:45:52,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-07-22 20:46:30,413 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 27 check-sat command(s) [2024-07-22 20:46:30,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 20:46:30,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 172 conjunts are in the unsatisfiable core [2024-07-22 20:46:30,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:46:34,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3195 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-07-22 20:46:34,822 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:46:35,498 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-07-22 20:46:35,498 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 28 treesize of output 11 [2024-07-22 20:46:36,477 INFO L134 CoverageAnalysis]: Checked inductivity of 3195 backedges. 137 proven. 1097 refuted. 0 times theorem prover too weak. 1961 trivial. 0 not checked. [2024-07-22 20:46:36,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288192417] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:46:36,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:46:36,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 62, 18] total 146 [2024-07-22 20:46:36,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897975466] [2024-07-22 20:46:36,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:46:36,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 147 states [2024-07-22 20:46:36,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:46:36,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2024-07-22 20:46:36,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=706, Invalid=20756, Unknown=0, NotChecked=0, Total=21462 [2024-07-22 20:46:36,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:46:36,482 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:46:36,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 147 states, 147 states have (on average 3.3469387755102042) internal successors, (492), 146 states have internal predecessors, (492), 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) [2024-07-22 20:46:36,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:46:36,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:46:36,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:46:36,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:46:36,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:46:36,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:46:36,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:46:36,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:46:36,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:46:36,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:46:36,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:46:36,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:46:36,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:46:36,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:46:36,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:46:36,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:46:36,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:46:36,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-22 20:46:36,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-07-22 20:46:36,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-07-22 20:46:36,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-07-22 20:46:36,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-07-22 20:46:36,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-07-22 20:46:36,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-07-22 20:46:36,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-07-22 20:46:36,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-22 20:46:36,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:46:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:46:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:46:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:46:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:46:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:46:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:46:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:46:57,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:46:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:46:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:46:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:46:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:46:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:46:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:46:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:46:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:46:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:46:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-22 20:46:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-22 20:46:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-07-22 20:46:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-07-22 20:46:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-07-22 20:46:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-07-22 20:46:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-07-22 20:46:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-07-22 20:46:57,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-22 20:46:57,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2024-07-22 20:46:57,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-07-22 20:46:57,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:46:57,559 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:46:57,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:46:57,560 INFO L85 PathProgramCache]: Analyzing trace with hash 686033670, now seen corresponding path program 24 times [2024-07-22 20:46:57,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:46:57,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204480980] [2024-07-22 20:46:57,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:46:57,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:46:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:46:59,985 INFO L134 CoverageAnalysis]: Checked inductivity of 3600 backedges. 3020 proven. 496 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-07-22 20:46:59,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:46:59,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204480980] [2024-07-22 20:46:59,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204480980] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:46:59,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258102544] [2024-07-22 20:46:59,986 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-07-22 20:46:59,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:46:59,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:46:59,987 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) [2024-07-22 20:46:59,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-07-22 20:47:48,709 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) [2024-07-22 20:47:48,709 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 20:47:48,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 117 conjunts are in the unsatisfiable core [2024-07-22 20:47:48,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:47:53,272 INFO L134 CoverageAnalysis]: Checked inductivity of 3600 backedges. 3020 proven. 496 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-07-22 20:47:53,272 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:47:57,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3600 backedges. 2927 proven. 589 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-07-22 20:47:57,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258102544] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:47:57,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:47:57,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 89, 65] total 217 [2024-07-22 20:47:57,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099290343] [2024-07-22 20:47:57,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:47:57,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 218 states [2024-07-22 20:47:57,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:47:57,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 218 interpolants. [2024-07-22 20:47:57,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9613, Invalid=37693, Unknown=0, NotChecked=0, Total=47306 [2024-07-22 20:47:57,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:47:57,731 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:47:57,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 218 states, 218 states have (on average 2.9954128440366974) internal successors, (653), 217 states have internal predecessors, (653), 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) [2024-07-22 20:47:57,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:47:57,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:47:57,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:47:57,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:47:57,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:47:57,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:47:57,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:47:57,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:47:57,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:47:57,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:47:57,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:47:57,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:47:57,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:47:57,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:47:57,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:47:57,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:47:57,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:47:57,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-22 20:47:57,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-07-22 20:47:57,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-07-22 20:47:57,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-07-22 20:47:57,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-07-22 20:47:57,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-07-22 20:47:57,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-07-22 20:47:57,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-07-22 20:47:57,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-22 20:47:57,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2024-07-22 20:47:57,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:47:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:47:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:47:59,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:47:59,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:47:59,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:47:59,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:47:59,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:47:59,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:47:59,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:47:59,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:47:59,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:47:59,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:47:59,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:47:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:47:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:47:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:47:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:47:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-22 20:47:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-22 20:47:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-07-22 20:47:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-07-22 20:47:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-07-22 20:47:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-07-22 20:47:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-07-22 20:47:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-07-22 20:47:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-22 20:47:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2024-07-22 20:47:59,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-07-22 20:47:59,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-07-22 20:47:59,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-07-22 20:47:59,465 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:47:59,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:47:59,465 INFO L85 PathProgramCache]: Analyzing trace with hash 936508379, now seen corresponding path program 25 times [2024-07-22 20:47:59,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:47:59,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698130888] [2024-07-22 20:47:59,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:47:59,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:47:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:48:04,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3632 backedges. 1719 proven. 1913 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:48:04,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:48:04,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698130888] [2024-07-22 20:48:04,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698130888] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:48:04,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719346472] [2024-07-22 20:48:04,228 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-07-22 20:48:04,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:48:04,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:48:04,229 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) [2024-07-22 20:48:04,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-07-22 20:48:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:48:05,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 254 conjunts are in the unsatisfiable core [2024-07-22 20:48:05,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:48:07,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-07-22 20:48:13,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3632 backedges. 0 proven. 3632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 20:48:13,457 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:48:24,240 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 43 treesize of output 39 [2024-07-22 20:48:24,245 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-07-22 20:48:24,245 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 61 treesize of output 47 [2024-07-22 20:48:24,414 INFO L134 CoverageAnalysis]: Checked inductivity of 3632 backedges. 0 proven. 3136 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-07-22 20:48:24,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719346472] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:48:24,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:48:24,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 98, 68] total 237 [2024-07-22 20:48:24,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607834809] [2024-07-22 20:48:24,415 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:48:24,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 238 states [2024-07-22 20:48:24,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:48:24,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 238 interpolants. [2024-07-22 20:48:24,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3070, Invalid=53336, Unknown=0, NotChecked=0, Total=56406 [2024-07-22 20:48:24,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:48:24,436 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:48:24,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 238 states, 238 states have (on average 2.911764705882353) internal successors, (693), 237 states have internal predecessors, (693), 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) [2024-07-22 20:48:24,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:48:24,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:48:24,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:48:24,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:48:24,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:48:24,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:48:24,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:48:24,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:48:24,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:48:24,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:48:24,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:48:24,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:48:24,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:48:24,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:48:24,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:48:24,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:48:24,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:48:24,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-22 20:48:24,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-07-22 20:48:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-07-22 20:48:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-07-22 20:48:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-07-22 20:48:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-07-22 20:48:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-07-22 20:48:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-07-22 20:48:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-22 20:48:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2024-07-22 20:48:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-07-22 20:48:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:49:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:49:26,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:49:26,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:49:26,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:49:26,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:49:26,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:49:26,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:49:26,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:49:26,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:49:26,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:49:26,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:49:26,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:49:26,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:49:26,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:49:26,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:49:26,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:49:26,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:49:26,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-22 20:49:26,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-22 20:49:26,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-07-22 20:49:26,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-07-22 20:49:26,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-07-22 20:49:26,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-07-22 20:49:26,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-07-22 20:49:26,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-07-22 20:49:26,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-22 20:49:26,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2024-07-22 20:49:26,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-07-22 20:49:26,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2024-07-22 20:49:26,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-07-22 20:49:26,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-07-22 20:49:26,951 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:49:26,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:49:26,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1753773028, now seen corresponding path program 26 times [2024-07-22 20:49:26,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:49:26,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315106893] [2024-07-22 20:49:26,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:49:26,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:49:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:49:30,583 INFO L134 CoverageAnalysis]: Checked inductivity of 10711 backedges. 3266 proven. 5561 refuted. 0 times theorem prover too weak. 1884 trivial. 0 not checked. [2024-07-22 20:49:30,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:49:30,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315106893] [2024-07-22 20:49:30,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315106893] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:49:30,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028652003] [2024-07-22 20:49:30,585 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-22 20:49:30,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:49:30,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:49:30,586 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) [2024-07-22 20:49:30,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-07-22 20:49:30,970 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-22 20:49:30,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 20:49:30,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 1355 conjuncts, 74 conjunts are in the unsatisfiable core [2024-07-22 20:49:30,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:49:33,985 INFO L134 CoverageAnalysis]: Checked inductivity of 10711 backedges. 8324 proven. 561 refuted. 0 times theorem prover too weak. 1826 trivial. 0 not checked. [2024-07-22 20:49:33,986 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:49:38,120 INFO L134 CoverageAnalysis]: Checked inductivity of 10711 backedges. 8225 proven. 660 refuted. 0 times theorem prover too weak. 1826 trivial. 0 not checked. [2024-07-22 20:49:38,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028652003] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 20:49:38,120 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 20:49:38,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 69, 69] total 205 [2024-07-22 20:49:38,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827695289] [2024-07-22 20:49:38,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 20:49:38,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 206 states [2024-07-22 20:49:38,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 20:49:38,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 206 interpolants. [2024-07-22 20:49:38,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10082, Invalid=32148, Unknown=0, NotChecked=0, Total=42230 [2024-07-22 20:49:38,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:49:38,129 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 20:49:38,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 206 states, 206 states have (on average 3.5728155339805827) internal successors, (736), 205 states have internal predecessors, (736), 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) [2024-07-22 20:49:38,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:49:38,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:49:38,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:49:38,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:49:38,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:49:38,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:49:38,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:49:38,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:49:38,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:49:38,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:49:38,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:49:38,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:49:38,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:49:38,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:49:38,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:49:38,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:49:38,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:49:38,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-07-22 20:49:38,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-07-22 20:49:38,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-07-22 20:49:38,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-07-22 20:49:38,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-07-22 20:49:38,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-07-22 20:49:38,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-07-22 20:49:38,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-07-22 20:49:38,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-07-22 20:49:38,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2024-07-22 20:49:38,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-07-22 20:49:38,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2024-07-22 20:49:38,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 20:49:39,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:49:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:49:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 20:49:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 20:49:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-22 20:49:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 20:49:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 20:49:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 20:49:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-22 20:49:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-07-22 20:49:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-07-22 20:49:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-07-22 20:49:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:49:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-07-22 20:49:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-07-22 20:49:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-07-22 20:49:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-07-22 20:49:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-07-22 20:49:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-07-22 20:49:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-07-22 20:49:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-07-22 20:49:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-07-22 20:49:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-07-22 20:49:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-07-22 20:49:39,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-07-22 20:49:39,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-07-22 20:49:39,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2024-07-22 20:49:39,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-07-22 20:49:39,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2024-07-22 20:49:39,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-07-22 20:49:39,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-07-22 20:49:39,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:49:39,725 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 20:49:39,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 20:49:39,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1121569329, now seen corresponding path program 27 times [2024-07-22 20:49:39,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 20:49:39,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299287874] [2024-07-22 20:49:39,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 20:49:39,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 20:49:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 20:49:43,511 INFO L134 CoverageAnalysis]: Checked inductivity of 10745 backedges. 3466 proven. 5539 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-07-22 20:49:43,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 20:49:43,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299287874] [2024-07-22 20:49:43,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299287874] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 20:49:43,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402050338] [2024-07-22 20:49:43,512 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-22 20:49:43,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 20:49:43,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 20:49:43,513 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) [2024-07-22 20:49:43,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-07-22 20:50:53,747 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2024-07-22 20:50:53,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 20:50:53,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 247 conjunts are in the unsatisfiable core [2024-07-22 20:50:53,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 20:50:54,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-07-22 20:50:54,404 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 15 treesize of output 1 [2024-07-22 20:50:54,446 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 15 treesize of output 1 [2024-07-22 20:50:54,484 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 15 treesize of output 1 [2024-07-22 20:50:54,524 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 15 treesize of output 1 [2024-07-22 20:50:54,567 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 15 treesize of output 1 [2024-07-22 20:50:54,609 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 15 treesize of output 1 [2024-07-22 20:50:54,648 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 15 treesize of output 1 [2024-07-22 20:50:54,693 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 15 treesize of output 1 [2024-07-22 20:50:54,737 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 15 treesize of output 1 [2024-07-22 20:50:54,782 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 15 treesize of output 1 [2024-07-22 20:50:54,827 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 15 treesize of output 1 [2024-07-22 20:50:54,873 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 15 treesize of output 1 [2024-07-22 20:50:54,921 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 15 treesize of output 1 [2024-07-22 20:51:02,255 INFO L349 Elim1Store]: treesize reduction 118, result has 2.5 percent of original size [2024-07-22 20:51:02,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 220 treesize of output 52 [2024-07-22 20:51:02,331 INFO L134 CoverageAnalysis]: Checked inductivity of 10745 backedges. 3672 proven. 2627 refuted. 0 times theorem prover too weak. 4446 trivial. 0 not checked. [2024-07-22 20:51:02,331 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 20:52:22,602 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 2029 treesize of output 1997