./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-08_07-59-58.files/protection-ghost/popl20-more-dec-subseq.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7bc0c755 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c ./goblint.2024-08-08_07-59-58.files/protection-ghost/popl20-more-dec-subseq.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.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-23 13:17:30,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-23 13:17:31,026 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-23 13:17:31,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-23 13:17:31,033 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-23 13:17:31,060 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-23 13:17:31,062 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-23 13:17:31,063 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-23 13:17:31,063 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-23 13:17:31,064 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-23 13:17:31,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-23 13:17:31,066 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-23 13:17:31,067 INFO L153 SettingsManager]: * Use SBE=true [2024-08-23 13:17:31,067 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-23 13:17:31,068 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-23 13:17:31,069 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-23 13:17:31,069 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-23 13:17:31,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-23 13:17:31,072 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-23 13:17:31,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-23 13:17:31,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-23 13:17:31,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-23 13:17:31,073 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-23 13:17:31,073 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-23 13:17:31,074 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-23 13:17:31,074 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-23 13:17:31,074 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-23 13:17:31,074 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-23 13:17:31,075 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-23 13:17:31,075 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-23 13:17:31,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 13:17:31,075 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-23 13:17:31,076 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-23 13:17:31,076 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-23 13:17:31,078 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-23 13:17:31,079 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-23 13:17:31,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-23 13:17:31,079 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-23 13:17:31,079 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-23 13:17:31,080 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-23 13:17:31,080 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-23 13:17:31,080 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-23 13:17:31,081 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-23 13:17:31,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-23 13:17:31,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-23 13:17:31,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-23 13:17:31,356 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-23 13:17:31,357 INFO L274 PluginConnector]: CDTParser initialized [2024-08-23 13:17:31,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c [2024-08-23 13:17:32,771 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-23 13:17:32,948 INFO L384 CDTParser]: Found 1 translation units. [2024-08-23 13:17:32,949 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c [2024-08-23 13:17:32,956 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a2a392b21/40ad54f524654d49a9acbc40aa6c75b1/FLAGda93d415e [2024-08-23 13:17:32,968 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a2a392b21/40ad54f524654d49a9acbc40aa6c75b1 [2024-08-23 13:17:32,970 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-23 13:17:32,971 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-23 13:17:32,971 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/popl20-more-dec-subseq.wvr.yml/witness.yml [2024-08-23 13:17:33,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-23 13:17:33,051 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-23 13:17:33,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-23 13:17:33,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-23 13:17:33,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-23 13:17:33,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 01:17:32" (1/2) ... [2024-08-23 13:17:33,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4501bcba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 01:17:33, skipping insertion in model container [2024-08-23 13:17:33,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 01:17:32" (1/2) ... [2024-08-23 13:17:33,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5c7528b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 01:17:33, skipping insertion in model container [2024-08-23 13:17:33,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 01:17:33" (2/2) ... [2024-08-23 13:17:33,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4501bcba and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:17:33, skipping insertion in model container [2024-08-23 13:17:33,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 01:17:33" (2/2) ... [2024-08-23 13:17:33,064 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-23 13:17:33,083 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-23 13:17:33,086 INFO L97 edCorrectnessWitness]: Location invariant before [L102-L102] (! multithreaded || 1 <= N) && (! multithreaded || 0 <= i) [2024-08-23 13:17:33,087 INFO L97 edCorrectnessWitness]: Location invariant before [L103-L103] (! multithreaded || 1 <= N) && (! multithreaded || 0 <= i) [2024-08-23 13:17:33,087 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-23 13:17:33,087 INFO L106 edCorrectnessWitness]: ghost_update [L101-L101] multithreaded = 1; [2024-08-23 13:17:33,109 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-23 13:17:33,276 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c[2950,2963] [2024-08-23 13:17:33,284 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 13:17:33,292 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-23 13:17:33,364 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c[2950,2963] [2024-08-23 13:17:33,369 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 13:17:33,389 INFO L206 MainTranslator]: Completed translation [2024-08-23 13:17:33,389 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:17:33 WrapperNode [2024-08-23 13:17:33,390 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-23 13:17:33,391 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-23 13:17:33,391 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-23 13:17:33,391 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-23 13:17:33,398 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 23.08 01:17:33" (1/1) ... [2024-08-23 13:17:33,407 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 23.08 01:17:33" (1/1) ... [2024-08-23 13:17:33,437 INFO L138 Inliner]: procedures = 23, calls = 35, calls flagged for inlining = 11, calls inlined = 13, statements flattened = 192 [2024-08-23 13:17:33,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-23 13:17:33,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-23 13:17:33,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-23 13:17:33,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-23 13:17:33,448 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:17:33" (1/1) ... [2024-08-23 13:17:33,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:17:33" (1/1) ... [2024-08-23 13:17:33,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:17:33" (1/1) ... [2024-08-23 13:17:33,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:17:33" (1/1) ... [2024-08-23 13:17:33,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:17:33" (1/1) ... [2024-08-23 13:17:33,469 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:17:33" (1/1) ... [2024-08-23 13:17:33,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:17:33" (1/1) ... [2024-08-23 13:17:33,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:17:33" (1/1) ... [2024-08-23 13:17:33,477 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-23 13:17:33,478 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-23 13:17:33,478 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-23 13:17:33,478 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-23 13:17:33,479 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:17:33" (1/1) ... [2024-08-23 13:17:33,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 13:17:33,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 13:17:33,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-23 13:17:33,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-23 13:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-23 13:17:33,560 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-23 13:17:33,561 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-23 13:17:33,561 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-23 13:17:33,561 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-23 13:17:33,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-23 13:17:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-23 13:17:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-23 13:17:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-23 13:17:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-23 13:17:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-23 13:17:33,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-23 13:17:33,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-23 13:17:33,568 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-23 13:17:33,670 INFO L243 CfgBuilder]: Building ICFG [2024-08-23 13:17:33,672 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-23 13:17:34,019 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-23 13:17:34,021 INFO L292 CfgBuilder]: Performing block encoding [2024-08-23 13:17:34,328 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-23 13:17:34,329 INFO L319 CfgBuilder]: Removed 4 assume(true) statements. [2024-08-23 13:17:34,329 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 01:17:34 BoogieIcfgContainer [2024-08-23 13:17:34,329 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-23 13:17:34,333 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-23 13:17:34,333 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-23 13:17:34,336 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-23 13:17:34,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.08 01:17:32" (1/4) ... [2024-08-23 13:17:34,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d247203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 01:17:34, skipping insertion in model container [2024-08-23 13:17:34,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 01:17:33" (2/4) ... [2024-08-23 13:17:34,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d247203 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 01:17:34, skipping insertion in model container [2024-08-23 13:17:34,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:17:33" (3/4) ... [2024-08-23 13:17:34,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d247203 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 01:17:34, skipping insertion in model container [2024-08-23 13:17:34,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 01:17:34" (4/4) ... [2024-08-23 13:17:34,341 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-dec-subseq.wvr.c [2024-08-23 13:17:34,363 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-23 13:17:34,363 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-08-23 13:17:34,363 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-23 13:17:34,413 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-08-23 13:17:34,468 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 13:17:34,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-23 13:17:34,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 13:17:34,471 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-23 13:17:34,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-23 13:17:34,518 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-23 13:17:34,533 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-23 13:17:34,540 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;@b3dadc7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 13:17:34,541 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-08-23 13:17:34,630 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:17:34,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:17:34,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1691350523, now seen corresponding path program 1 times [2024-08-23 13:17:34,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 13:17:34,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949542698] [2024-08-23 13:17:34,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:17:34,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 13:17:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:17:35,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 13:17:35,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 13:17:35,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949542698] [2024-08-23 13:17:35,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949542698] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 13:17:35,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 13:17:35,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-23 13:17:35,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907633840] [2024-08-23 13:17:35,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 13:17:35,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-23 13:17:35,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 13:17:35,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-23 13:17:35,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-23 13:17:35,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:17:35,089 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:17:35,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:17:35,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:17:35,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:35,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-23 13:17:35,275 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:17:35,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:17:35,275 INFO L85 PathProgramCache]: Analyzing trace with hash -2110992304, now seen corresponding path program 1 times [2024-08-23 13:17:35,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 13:17:35,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178821766] [2024-08-23 13:17:35,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:17:35,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 13:17:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:17:35,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-23 13:17:35,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 13:17:35,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178821766] [2024-08-23 13:17:35,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178821766] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 13:17:35,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 13:17:35,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-23 13:17:35,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312817001] [2024-08-23 13:17:35,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 13:17:35,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-23 13:17:35,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 13:17:35,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-23 13:17:35,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-23 13:17:35,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:17:35,516 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:17:35,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:17:35,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:35,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:17:35,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:35,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:35,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-23 13:17:35,633 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:17:35,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:17:35,633 INFO L85 PathProgramCache]: Analyzing trace with hash -775835169, now seen corresponding path program 1 times [2024-08-23 13:17:35,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 13:17:35,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903816145] [2024-08-23 13:17:35,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:17:35,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 13:17:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:17:35,812 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-23 13:17:35,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 13:17:35,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903816145] [2024-08-23 13:17:35,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903816145] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 13:17:35,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 13:17:35,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-23 13:17:35,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844938808] [2024-08-23 13:17:35,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 13:17:35,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-23 13:17:35,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 13:17:35,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-23 13:17:35,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-23 13:17:35,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:17:35,819 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:17:35,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:17:35,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:35,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:35,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:17:35,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:35,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:35,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:17:35,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-23 13:17:35,898 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:17:35,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:17:35,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1385265701, now seen corresponding path program 1 times [2024-08-23 13:17:35,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 13:17:35,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451570997] [2024-08-23 13:17:35,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:17:35,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 13:17:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:17:37,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-23 13:17:37,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 13:17:37,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451570997] [2024-08-23 13:17:37,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451570997] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 13:17:37,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478349909] [2024-08-23 13:17:37,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:17:37,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 13:17:37,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 13:17:37,115 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 13:17:37,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-23 13:17:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:17:37,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 28 conjunts are in the unsatisfiable core [2024-08-23 13:17:37,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 13:17:37,981 INFO L349 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2024-08-23 13:17:37,982 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 34 treesize of output 10 [2024-08-23 13:17:38,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-23 13:17:38,028 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 13:17:38,584 INFO L349 Elim1Store]: treesize reduction 11, result has 87.1 percent of original size [2024-08-23 13:17:38,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 76 treesize of output 101 [2024-08-23 13:17:39,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-23 13:17:39,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478349909] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 13:17:39,221 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 13:17:39,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 12] total 31 [2024-08-23 13:17:39,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027923896] [2024-08-23 13:17:39,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 13:17:39,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-08-23 13:17:39,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 13:17:39,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-08-23 13:17:39,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=785, Unknown=0, NotChecked=0, Total=992 [2024-08-23 13:17:39,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:17:39,225 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:17:39,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.75) internal successors, (88), 31 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:17:39,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:39,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:39,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:17:39,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:17:40,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:40,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:40,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:17:40,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-23 13:17:40,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-08-23 13:17:40,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 13:17:40,903 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:17:40,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:17:40,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1557156663, now seen corresponding path program 2 times [2024-08-23 13:17:40,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 13:17:40,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765506795] [2024-08-23 13:17:40,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:17:40,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 13:17:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:17:41,108 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-08-23 13:17:41,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 13:17:41,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765506795] [2024-08-23 13:17:41,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765506795] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 13:17:41,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587958063] [2024-08-23 13:17:41,109 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-23 13:17:41,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 13:17:41,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 13:17:41,111 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 13:17:41,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-23 13:17:41,212 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-23 13:17:41,212 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 13:17:41,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-23 13:17:41,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 13:17:41,367 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-08-23 13:17:41,368 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 13:17:41,466 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-08-23 13:17:41,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587958063] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 13:17:41,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 13:17:41,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 16 [2024-08-23 13:17:41,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858202557] [2024-08-23 13:17:41,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 13:17:41,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-08-23 13:17:41,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 13:17:41,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-08-23 13:17:41,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-08-23 13:17:41,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:17:41,469 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:17:41,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.882352941176471) internal successors, (100), 16 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:17:41,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:41,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:41,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:17:41,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-23 13:17:41,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:17:41,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:41,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:41,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:17:41,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-23 13:17:41,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-23 13:17:41,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-08-23 13:17:41,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 13:17:41,940 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:17:41,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:17:41,940 INFO L85 PathProgramCache]: Analyzing trace with hash -294532980, now seen corresponding path program 3 times [2024-08-23 13:17:41,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 13:17:41,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865660187] [2024-08-23 13:17:41,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:17:41,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 13:17:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:17:42,165 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 13 proven. 33 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-23 13:17:42,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 13:17:42,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865660187] [2024-08-23 13:17:42,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865660187] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 13:17:42,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146587430] [2024-08-23 13:17:42,167 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-23 13:17:42,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 13:17:42,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 13:17:42,169 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 13:17:42,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-23 13:17:42,280 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-08-23 13:17:42,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 13:17:42,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjunts are in the unsatisfiable core [2024-08-23 13:17:42,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 13:17:42,323 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-08-23 13:17:42,324 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-23 13:17:42,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146587430] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 13:17:42,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-23 13:17:42,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 12 [2024-08-23 13:17:42,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436673905] [2024-08-23 13:17:42,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 13:17:42,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-23 13:17:42,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 13:17:42,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-23 13:17:42,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-08-23 13:17:42,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:17:42,327 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:17:42,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:17:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:17:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-23 13:17:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-23 13:17:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:17:42,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:42,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:42,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:17:42,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-23 13:17:42,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-23 13:17:42,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:42,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-08-23 13:17:42,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 13:17:42,596 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:17:42,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:17:42,596 INFO L85 PathProgramCache]: Analyzing trace with hash 2145801083, now seen corresponding path program 4 times [2024-08-23 13:17:42,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 13:17:42,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498623032] [2024-08-23 13:17:42,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:17:42,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 13:17:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:17:42,891 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 27 proven. 42 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-23 13:17:42,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 13:17:42,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498623032] [2024-08-23 13:17:42,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498623032] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 13:17:42,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173315406] [2024-08-23 13:17:42,892 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-23 13:17:42,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 13:17:42,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 13:17:42,894 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 13:17:42,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-08-23 13:17:42,999 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-23 13:17:43,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 13:17:43,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 13 conjunts are in the unsatisfiable core [2024-08-23 13:17:43,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 13:17:43,261 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 70 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-23 13:17:43,261 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 13:17:43,518 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 34 proven. 42 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-23 13:17:43,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173315406] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 13:17:43,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 13:17:43,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 26 [2024-08-23 13:17:43,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319812475] [2024-08-23 13:17:43,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 13:17:43,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-08-23 13:17:43,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 13:17:43,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-08-23 13:17:43,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=521, Unknown=0, NotChecked=0, Total=702 [2024-08-23 13:17:43,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:17:43,522 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:17:43,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.407407407407407) internal successors, (146), 26 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:17:43,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:43,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:43,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:17:43,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-23 13:17:43,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-23 13:17:43,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:43,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:17:43,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:43,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:43,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:17:43,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-23 13:17:43,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-23 13:17:43,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:43,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 13:17:43,710 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-08-23 13:17:43,898 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,SelfDestructingSolverStorable6 [2024-08-23 13:17:43,898 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:17:43,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:17:43,898 INFO L85 PathProgramCache]: Analyzing trace with hash -518005349, now seen corresponding path program 5 times [2024-08-23 13:17:43,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 13:17:43,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211128229] [2024-08-23 13:17:43,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:17:43,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 13:17:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:17:44,196 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 54 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-08-23 13:17:44,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 13:17:44,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211128229] [2024-08-23 13:17:44,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211128229] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 13:17:44,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517387306] [2024-08-23 13:17:44,198 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-23 13:17:44,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 13:17:44,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 13:17:44,200 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 13:17:44,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-08-23 13:17:44,280 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-08-23 13:17:44,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 13:17:44,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-23 13:17:44,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 13:17:44,333 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 46 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-08-23 13:17:44,334 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 13:17:44,374 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-08-23 13:17:44,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517387306] provided 1 perfect and 1 imperfect interpolant sequences [2024-08-23 13:17:44,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-08-23 13:17:44,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10, 5] total 15 [2024-08-23 13:17:44,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588135302] [2024-08-23 13:17:44,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 13:17:44,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-23 13:17:44,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 13:17:44,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-23 13:17:44,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-08-23 13:17:44,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:17:44,377 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:17:44,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:17:44,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:44,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:44,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:17:44,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-23 13:17:44,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-23 13:17:44,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:44,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 13:17:44,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:17:44,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:44,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:44,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:17:44,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-23 13:17:44,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-23 13:17:44,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:44,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 13:17:44,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:17:44,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-08-23 13:17:44,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 13:17:44,748 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:17:44,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:17:44,749 INFO L85 PathProgramCache]: Analyzing trace with hash -116556897, now seen corresponding path program 6 times [2024-08-23 13:17:44,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 13:17:44,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688957210] [2024-08-23 13:17:44,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:17:44,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 13:17:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:17:44,899 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-08-23 13:17:44,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 13:17:44,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688957210] [2024-08-23 13:17:44,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688957210] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 13:17:44,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 13:17:44,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-23 13:17:44,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171516630] [2024-08-23 13:17:44,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 13:17:44,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-23 13:17:44,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 13:17:44,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-23 13:17:44,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-23 13:17:44,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:17:44,902 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:17:44,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:17:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:17:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-23 13:17:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-23 13:17:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 13:17:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:17:44,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:17:44,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:44,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:44,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:17:44,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-23 13:17:44,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-23 13:17:44,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:44,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 13:17:44,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:17:44,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:44,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-08-23 13:17:44,977 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:17:44,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:17:44,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1717504083, now seen corresponding path program 7 times [2024-08-23 13:17:44,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 13:17:44,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156388290] [2024-08-23 13:17:44,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:17:44,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 13:17:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:17:45,202 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 25 proven. 15 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-08-23 13:17:45,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 13:17:45,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156388290] [2024-08-23 13:17:45,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156388290] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 13:17:45,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762633582] [2024-08-23 13:17:45,203 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-23 13:17:45,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 13:17:45,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 13:17:45,205 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 13:17:45,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-08-23 13:17:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:17:45,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 10 conjunts are in the unsatisfiable core [2024-08-23 13:17:45,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 13:17:45,485 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 59 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-08-23 13:17:45,487 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 13:17:45,606 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 59 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-08-23 13:17:45,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762633582] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 13:17:45,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 13:17:45,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 8, 8] total 17 [2024-08-23 13:17:45,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225610854] [2024-08-23 13:17:45,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 13:17:45,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-08-23 13:17:45,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 13:17:45,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-08-23 13:17:45,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2024-08-23 13:17:45,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:17:45,611 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:17:45,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.5) internal successors, (117), 17 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:17:45,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:45,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:45,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:17:45,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-23 13:17:45,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-23 13:17:45,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:45,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 13:17:45,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:17:45,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:45,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:17:45,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:45,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:45,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:17:45,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-23 13:17:45,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-23 13:17:45,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:45,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 13:17:45,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:17:45,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:45,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-23 13:17:45,901 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-08-23 13:17:46,084 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 [2024-08-23 13:17:46,085 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:17:46,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:17:46,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1457676182, now seen corresponding path program 8 times [2024-08-23 13:17:46,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 13:17:46,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499962879] [2024-08-23 13:17:46,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:17:46,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 13:17:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:17:46,391 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 47 proven. 17 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-08-23 13:17:46,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 13:17:46,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499962879] [2024-08-23 13:17:46,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499962879] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 13:17:46,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807974055] [2024-08-23 13:17:46,392 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-23 13:17:46,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 13:17:46,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 13:17:46,394 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 13:17:46,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-08-23 13:17:46,515 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-23 13:17:46,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 13:17:46,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 12 conjunts are in the unsatisfiable core [2024-08-23 13:17:46,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 13:17:46,743 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 58 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-08-23 13:17:46,744 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 13:17:46,858 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 58 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-08-23 13:17:46,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807974055] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 13:17:46,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 13:17:46,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 24 [2024-08-23 13:17:46,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936457078] [2024-08-23 13:17:46,859 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 13:17:46,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-08-23 13:17:46,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 13:17:46,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-08-23 13:17:46,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2024-08-23 13:17:46,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:17:46,861 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:17:46,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.72) internal successors, (118), 24 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:17:46,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:46,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:46,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:17:46,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-23 13:17:46,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-23 13:17:46,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:46,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 13:17:46,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:17:46,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:46,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-23 13:17:46,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:17:47,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:47,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:47,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:17:47,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-23 13:17:47,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-23 13:17:47,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:47,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 13:17:47,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:17:47,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:17:47,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-23 13:17:47,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-23 13:17:47,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-08-23 13:17:47,299 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 [2024-08-23 13:17:47,300 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:17:47,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:17:47,300 INFO L85 PathProgramCache]: Analyzing trace with hash -661947984, now seen corresponding path program 9 times [2024-08-23 13:17:47,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 13:17:47,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333159821] [2024-08-23 13:17:47,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:17:47,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 13:17:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:17:52,764 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-23 13:17:52,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 13:17:52,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333159821] [2024-08-23 13:17:52,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333159821] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 13:17:52,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093142167] [2024-08-23 13:17:52,765 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-23 13:17:52,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 13:17:52,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 13:17:52,768 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 13:17:52,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-08-23 13:17:52,977 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-08-23 13:17:52,977 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 13:17:52,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 93 conjunts are in the unsatisfiable core [2024-08-23 13:17:52,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 13:17:53,316 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 [2024-08-23 13:17:56,276 INFO L349 Elim1Store]: treesize reduction 64, result has 75.1 percent of original size [2024-08-23 13:17:56,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 120 treesize of output 220 [2024-08-23 13:17:56,696 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-23 13:17:56,696 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 13:18:02,245 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 13:18:02,246 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 2335 treesize of output 2293 [2024-08-23 13:18:53,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 72 [2024-08-23 13:20:34,094 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 13:20:34,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 119 treesize of output 124 [2024-08-23 13:20:34,948 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2024-08-23 13:20:34,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 119 treesize of output 1 [2024-08-23 13:20:35,125 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2024-08-23 13:20:35,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 119 treesize of output 1 [2024-08-23 13:20:36,575 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2024-08-23 13:20:36,576 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 119 treesize of output 1 [2024-08-23 13:20:38,445 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2024-08-23 13:20:38,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 112 treesize of output 1 [2024-08-23 13:20:38,484 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2024-08-23 13:20:38,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 112 treesize of output 1 [2024-08-23 13:20:38,518 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2024-08-23 13:20:38,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 112 treesize of output 1 [2024-08-23 13:20:38,559 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2024-08-23 13:20:38,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 112 treesize of output 1 [2024-08-23 13:20:39,122 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2024-08-23 13:20:39,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 119 treesize of output 1 [2024-08-23 13:20:39,353 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2024-08-23 13:20:39,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 119 treesize of output 1 [2024-08-23 13:21:07,922 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 13:21:07,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 119 treesize of output 124 [2024-08-23 13:21:08,561 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2024-08-23 13:21:08,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 119 treesize of output 1 [2024-08-23 13:21:08,763 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:08,765 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:08,769 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:08,770 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:08,772 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:08,803 INFO L349 Elim1Store]: treesize reduction 13, result has 51.9 percent of original size [2024-08-23 13:21:08,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 118 treesize of output 90 [2024-08-23 13:21:09,045 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,045 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:09,046 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:09,049 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 82 [2024-08-23 13:21:09,088 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,088 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:09,090 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,090 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:09,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 77 [2024-08-23 13:21:09,173 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,174 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:09,175 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:09,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 82 [2024-08-23 13:21:09,385 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,386 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:09,387 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,388 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:09,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 77 [2024-08-23 13:21:09,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:09,439 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,440 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,440 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 86 [2024-08-23 13:21:09,492 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,493 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:09,495 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,496 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:09,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 77 [2024-08-23 13:21:09,605 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,606 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:09,607 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:09,609 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 82 [2024-08-23 13:21:09,750 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2024-08-23 13:21:09,751 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 119 treesize of output 1 [2024-08-23 13:21:09,912 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,912 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:09,914 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,914 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:09,915 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:09,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 82 [2024-08-23 13:21:10,024 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,024 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:10,025 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,026 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:10,027 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 82 [2024-08-23 13:21:10,085 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,085 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:10,086 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:10,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 82 [2024-08-23 13:21:10,131 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,131 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:10,132 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,133 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:10,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 77 [2024-08-23 13:21:10,200 INFO L349 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2024-08-23 13:21:10,200 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 118 treesize of output 1 [2024-08-23 13:21:10,261 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,262 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:10,263 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,264 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:10,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 77 [2024-08-23 13:21:10,352 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,353 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:10,355 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,355 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:10,356 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 82 [2024-08-23 13:21:10,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:10,418 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,418 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,419 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 79 [2024-08-23 13:21:10,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:10,433 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,434 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,434 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 79 [2024-08-23 13:21:10,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:10,451 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,451 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,451 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 79 [2024-08-23 13:21:10,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:10,469 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,469 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,470 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 79 [2024-08-23 13:21:10,621 INFO L349 Elim1Store]: treesize reduction 43, result has 44.2 percent of original size [2024-08-23 13:21:10,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 122 treesize of output 115 [2024-08-23 13:21:10,741 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,742 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,742 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:10,743 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:10,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 82 [2024-08-23 13:21:10,787 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,787 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:10,788 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,789 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:10,790 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 77 [2024-08-23 13:21:10,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:10,816 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,816 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,816 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:21:10,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:21:10,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 82 [2024-08-23 13:21:10,840 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 13:21:10,840 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 267 treesize of output 207 [2024-08-23 13:21:11,711 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 3 proven. 63 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-08-23 13:21:11,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093142167] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 13:21:11,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 13:21:11,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 39, 31] total 99 [2024-08-23 13:21:11,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631011342] [2024-08-23 13:21:11,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 13:21:11,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-08-23 13:21:11,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 13:21:11,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-08-23 13:21:11,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=746, Invalid=9154, Unknown=0, NotChecked=0, Total=9900 [2024-08-23 13:21:11,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:21:11,717 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:21:11,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 1.8) internal successors, (180), 99 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:21:11,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:21:11,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:21:11,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:21:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-23 13:21:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-23 13:21:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:21:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 13:21:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:21:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:21:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-23 13:21:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-23 13:21:11,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:21:56,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:21:56,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:21:56,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:21:56,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-23 13:21:56,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-23 13:21:56,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:21:56,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 13:21:56,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:21:56,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:21:56,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-23 13:21:56,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-23 13:21:56,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2024-08-23 13:21:56,256 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-08-23 13:21:56,443 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 [2024-08-23 13:21:56,443 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:21:56,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:21:56,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1980813038, now seen corresponding path program 10 times [2024-08-23 13:21:56,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 13:21:56,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125799416] [2024-08-23 13:21:56,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:21:56,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 13:21:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:21:56,971 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 126 proven. 205 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-08-23 13:21:56,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 13:21:56,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125799416] [2024-08-23 13:21:56,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125799416] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 13:21:56,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807322285] [2024-08-23 13:21:56,972 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-23 13:21:56,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 13:21:56,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 13:21:56,974 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 13:21:56,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-08-23 13:21:57,123 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-23 13:21:57,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 13:21:57,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 20 conjunts are in the unsatisfiable core [2024-08-23 13:21:57,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 13:21:57,789 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 333 proven. 21 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-08-23 13:21:57,789 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 13:21:58,317 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 238 proven. 116 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-08-23 13:21:58,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807322285] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 13:21:58,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 13:21:58,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17, 17] total 46 [2024-08-23 13:21:58,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631344679] [2024-08-23 13:21:58,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 13:21:58,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-08-23 13:21:58,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 13:21:58,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-08-23 13:21:58,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=1666, Unknown=0, NotChecked=0, Total=2162 [2024-08-23 13:21:58,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:21:58,320 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:21:58,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 5.25531914893617) internal successors, (247), 46 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:21:58,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:21:58,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:21:58,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:21:58,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-23 13:21:58,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-23 13:21:58,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:21:58,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 13:21:58,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:21:58,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:21:58,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-23 13:21:58,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-23 13:21:58,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2024-08-23 13:21:58,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:21:58,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:21:58,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:21:58,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:21:58,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-23 13:21:58,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-23 13:21:58,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:21:58,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 13:21:58,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:21:58,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:21:58,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-23 13:21:58,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-23 13:21:58,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2024-08-23 13:21:58,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-08-23 13:21:58,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-08-23 13:21:58,774 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 [2024-08-23 13:21:58,774 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:21:58,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:21:58,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1787087103, now seen corresponding path program 11 times [2024-08-23 13:21:58,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 13:21:58,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570232961] [2024-08-23 13:21:58,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:21:58,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 13:21:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:21:59,292 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 300 proven. 46 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-08-23 13:21:59,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 13:21:59,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570232961] [2024-08-23 13:21:59,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570232961] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 13:21:59,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495901312] [2024-08-23 13:21:59,293 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-23 13:21:59,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 13:21:59,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 13:21:59,295 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 13:21:59,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-08-23 13:21:59,830 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-08-23 13:21:59,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 13:21:59,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 14 conjunts are in the unsatisfiable core [2024-08-23 13:21:59,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 13:22:00,134 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 247 proven. 10 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-08-23 13:22:00,134 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 13:22:00,307 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 247 proven. 10 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-08-23 13:22:00,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495901312] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 13:22:00,308 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 13:22:00,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 12] total 33 [2024-08-23 13:22:00,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363005294] [2024-08-23 13:22:00,308 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 13:22:00,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-08-23 13:22:00,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 13:22:00,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-08-23 13:22:00,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=291, Invalid=831, Unknown=0, NotChecked=0, Total=1122 [2024-08-23 13:22:00,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:22:00,310 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:22:00,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 5.264705882352941) internal successors, (179), 33 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:22:00,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:22:00,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:22:00,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:22:00,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-23 13:22:00,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-23 13:22:00,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:22:00,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 13:22:00,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:22:00,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:22:00,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-23 13:22:00,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-23 13:22:00,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2024-08-23 13:22:00,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-08-23 13:22:00,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:22:00,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:22:00,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:22:00,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:22:00,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-23 13:22:00,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-23 13:22:00,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:22:00,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 13:22:00,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:22:00,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:22:00,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-23 13:22:00,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-23 13:22:00,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2024-08-23 13:22:00,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-08-23 13:22:00,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-23 13:22:00,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-08-23 13:22:00,796 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 [2024-08-23 13:22:00,797 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:22:00,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:22:00,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1086442169, now seen corresponding path program 12 times [2024-08-23 13:22:00,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 13:22:00,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929458102] [2024-08-23 13:22:00,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:22:00,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 13:22:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:22:01,312 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 300 proven. 51 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-08-23 13:22:01,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 13:22:01,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929458102] [2024-08-23 13:22:01,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929458102] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 13:22:01,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71905227] [2024-08-23 13:22:01,313 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-23 13:22:01,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 13:22:01,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 13:22:01,315 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 13:22:01,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-08-23 13:22:02,124 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-08-23 13:22:02,125 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 13:22:02,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 19 conjunts are in the unsatisfiable core [2024-08-23 13:22:02,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 13:22:02,589 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 336 proven. 15 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-08-23 13:22:02,589 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 13:22:02,878 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 336 proven. 15 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-08-23 13:22:02,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71905227] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 13:22:02,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-23 13:22:02,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 44 [2024-08-23 13:22:02,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686362316] [2024-08-23 13:22:02,878 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-23 13:22:02,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-08-23 13:22:02,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-23 13:22:02,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-08-23 13:22:02,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=569, Invalid=1411, Unknown=0, NotChecked=0, Total=1980 [2024-08-23 13:22:02,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:22:02,880 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:22:02,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 5.377777777777778) internal successors, (242), 44 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:22:02,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:22:02,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:22:02,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:22:02,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-23 13:22:02,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-23 13:22:02,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:22:02,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-23 13:22:02,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:22:02,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:22:02,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-23 13:22:02,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-23 13:22:02,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2024-08-23 13:22:02,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-08-23 13:22:02,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-23 13:22:02,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:22:03,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:22:03,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:22:03,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-23 13:22:03,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-23 13:22:03,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-23 13:22:03,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:22:03,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-23 13:22:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:22:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:22:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-23 13:22:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-23 13:22:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2024-08-23 13:22:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-08-23 13:22:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-23 13:22:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-23 13:22:03,311 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-08-23 13:22:03,497 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 [2024-08-23 13:22:03,497 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:22:03,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:22:03,498 INFO L85 PathProgramCache]: Analyzing trace with hash -447085625, now seen corresponding path program 13 times [2024-08-23 13:22:03,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-23 13:22:03,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056714565] [2024-08-23 13:22:03,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:22:03,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-23 13:22:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:22:14,643 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 52 proven. 335 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-08-23 13:22:14,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-23 13:22:14,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056714565] [2024-08-23 13:22:14,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056714565] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-23 13:22:14,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35083160] [2024-08-23 13:22:14,643 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-23 13:22:14,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-23 13:22:14,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 13:22:14,644 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-23 13:22:14,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-08-23 13:22:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:22:14,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 153 conjunts are in the unsatisfiable core [2024-08-23 13:22:14,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 13:22:49,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:22:49,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:22:49,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:22:49,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:22:49,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:22:49,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:22:49,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:22:49,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-08-23 13:22:49,787 INFO L173 IndexEqualityManager]: detected equality via solver [2024-08-23 13:22:53,617 INFO L349 Elim1Store]: treesize reduction 325, result has 83.4 percent of original size [2024-08-23 13:22:53,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 19 select indices, 19 select index equivalence classes, 36 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 171 case distinctions, treesize of input 334 treesize of output 1684 [2024-08-23 13:22:53,925 WARN L672 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-08-23 13:22:54,058 WARN L672 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-08-23 13:22:54,223 WARN L672 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-08-23 13:22:54,343 WARN L672 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-08-23 13:22:54,479 WARN L672 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2024-08-23 13:22:54,653 WARN L672 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-08-23 13:22:54,793 WARN L672 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-08-23 13:22:54,926 WARN L672 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-08-23 13:22:55,101 WARN L672 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-08-23 13:22:55,222 WARN L672 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-08-23 13:22:55,339 WARN L672 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-08-23 13:22:55,555 WARN L672 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-08-23 13:22:55,700 WARN L672 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-08-23 13:22:55,839 WARN L672 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-08-23 13:22:55,971 WARN L672 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-08-23 13:22:56,077 WARN L672 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-08-23 13:22:56,268 WARN L672 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-08-23 13:22:56,385 WARN L672 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-08-23 13:22:56,749 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-08-23 13:22:56,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2024-08-23 13:22:56,751 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-08-23 13:22:56,765 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-08-23 13:22:56,951 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 [2024-08-23 13:22:56,952 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:287) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:519) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:503) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:609) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:298) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:416) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 76 more [2024-08-23 13:22:56,957 INFO L158 Benchmark]: Toolchain (without parser) took 323906.13ms. Allocated memory was 148.9MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 98.2MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-08-23 13:22:56,957 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 148.9MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 13:22:56,957 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 148.9MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 13:22:56,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.35ms. Allocated memory is still 148.9MB. Free memory was 98.2MB in the beginning and 82.9MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-08-23 13:22:56,958 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.50ms. Allocated memory is still 148.9MB. Free memory was 82.9MB in the beginning and 80.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-23 13:22:56,958 INFO L158 Benchmark]: Boogie Preprocessor took 38.25ms. Allocated memory is still 148.9MB. Free memory was 80.6MB in the beginning and 78.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-23 13:22:56,958 INFO L158 Benchmark]: RCFGBuilder took 851.46ms. Allocated memory was 148.9MB in the beginning and 213.9MB in the end (delta: 65.0MB). Free memory was 78.8MB in the beginning and 147.2MB in the end (delta: -68.3MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2024-08-23 13:22:56,959 INFO L158 Benchmark]: TraceAbstraction took 322623.98ms. Allocated memory was 213.9MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 147.2MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 984.5MB. Max. memory is 16.1GB. [2024-08-23 13:22:56,962 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 148.9MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 148.9MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.35ms. Allocated memory is still 148.9MB. Free memory was 98.2MB in the beginning and 82.9MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.50ms. Allocated memory is still 148.9MB. Free memory was 82.9MB in the beginning and 80.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.25ms. Allocated memory is still 148.9MB. Free memory was 80.6MB in the beginning and 78.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 851.46ms. Allocated memory was 148.9MB in the beginning and 213.9MB in the end (delta: 65.0MB). Free memory was 78.8MB in the beginning and 147.2MB in the end (delta: -68.3MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * TraceAbstraction took 322623.98ms. Allocated memory was 213.9MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 147.2MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 984.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-08-23 13:22:56,981 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c ./goblint.2024-08-08_07-59-58.files/protection-ghost/popl20-more-dec-subseq.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-23 13:22:59,247 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-23 13:22:59,310 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-08-23 13:22:59,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-23 13:22:59,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-23 13:22:59,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-23 13:22:59,349 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-23 13:22:59,350 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-23 13:22:59,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-23 13:22:59,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-23 13:22:59,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-23 13:22:59,351 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-23 13:22:59,352 INFO L153 SettingsManager]: * Use SBE=true [2024-08-23 13:22:59,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-23 13:22:59,353 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-23 13:22:59,353 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-23 13:22:59,353 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-23 13:22:59,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-23 13:22:59,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-23 13:22:59,354 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-23 13:22:59,355 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-23 13:22:59,359 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-23 13:22:59,359 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-23 13:22:59,359 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-23 13:22:59,359 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-23 13:22:59,360 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-23 13:22:59,360 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-23 13:22:59,360 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-23 13:22:59,360 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-23 13:22:59,361 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-23 13:22:59,361 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-23 13:22:59,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 13:22:59,361 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-23 13:22:59,361 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-23 13:22:59,362 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-23 13:22:59,362 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-23 13:22:59,367 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-23 13:22:59,368 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-23 13:22:59,368 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-23 13:22:59,368 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-23 13:22:59,368 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-23 13:22:59,369 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-23 13:22:59,369 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-23 13:22:59,370 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-23 13:22:59,370 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-23 13:22:59,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-23 13:22:59,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-23 13:22:59,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-23 13:22:59,711 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-23 13:22:59,712 INFO L274 PluginConnector]: CDTParser initialized [2024-08-23 13:22:59,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c [2024-08-23 13:23:01,192 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-23 13:23:01,377 INFO L384 CDTParser]: Found 1 translation units. [2024-08-23 13:23:01,378 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c [2024-08-23 13:23:01,389 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2fcd58262/15b07d32d83949e59d24bb3679c05252/FLAG32516a692 [2024-08-23 13:23:01,407 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2fcd58262/15b07d32d83949e59d24bb3679c05252 [2024-08-23 13:23:01,411 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-23 13:23:01,411 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-23 13:23:01,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/popl20-more-dec-subseq.wvr.yml/witness.yml [2024-08-23 13:23:01,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-23 13:23:01,528 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-23 13:23:01,530 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-23 13:23:01,531 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-23 13:23:01,535 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-23 13:23:01,536 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 01:23:01" (1/2) ... [2024-08-23 13:23:01,537 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72af9cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 01:23:01, skipping insertion in model container [2024-08-23 13:23:01,537 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 01:23:01" (1/2) ... [2024-08-23 13:23:01,539 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@22ddbf3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 01:23:01, skipping insertion in model container [2024-08-23 13:23:01,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 01:23:01" (2/2) ... [2024-08-23 13:23:01,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72af9cde and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:23:01, skipping insertion in model container [2024-08-23 13:23:01,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 01:23:01" (2/2) ... [2024-08-23 13:23:01,540 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-23 13:23:01,559 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-23 13:23:01,560 INFO L97 edCorrectnessWitness]: Location invariant before [L103-L103] (! multithreaded || 1 <= N) && (! multithreaded || 0 <= i) [2024-08-23 13:23:01,560 INFO L97 edCorrectnessWitness]: Location invariant before [L102-L102] (! multithreaded || 1 <= N) && (! multithreaded || 0 <= i) [2024-08-23 13:23:01,560 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-23 13:23:01,560 INFO L106 edCorrectnessWitness]: ghost_update [L101-L101] multithreaded = 1; [2024-08-23 13:23:01,583 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-23 13:23:01,773 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c[2950,2963] [2024-08-23 13:23:01,785 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 13:23:01,799 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-23 13:23:01,857 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c[2950,2963] [2024-08-23 13:23:01,861 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 13:23:01,888 INFO L206 MainTranslator]: Completed translation [2024-08-23 13:23:01,889 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:23:01 WrapperNode [2024-08-23 13:23:01,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-23 13:23:01,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-23 13:23:01,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-23 13:23:01,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-23 13:23:01,897 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 23.08 01:23:01" (1/1) ... [2024-08-23 13:23:01,913 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 23.08 01:23:01" (1/1) ... [2024-08-23 13:23:01,944 INFO L138 Inliner]: procedures = 25, calls = 35, calls flagged for inlining = 11, calls inlined = 13, statements flattened = 187 [2024-08-23 13:23:01,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-23 13:23:01,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-23 13:23:01,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-23 13:23:01,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-23 13:23:01,956 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:23:01" (1/1) ... [2024-08-23 13:23:01,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:23:01" (1/1) ... [2024-08-23 13:23:01,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:23:01" (1/1) ... [2024-08-23 13:23:01,961 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:23:01" (1/1) ... [2024-08-23 13:23:01,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:23:01" (1/1) ... [2024-08-23 13:23:01,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:23:01" (1/1) ... [2024-08-23 13:23:01,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:23:01" (1/1) ... [2024-08-23 13:23:01,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:23:01" (1/1) ... [2024-08-23 13:23:01,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-23 13:23:01,982 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-23 13:23:01,982 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-23 13:23:01,982 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-23 13:23:01,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:23:01" (1/1) ... [2024-08-23 13:23:01,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 13:23:02,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 13:23:02,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-23 13:23:02,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-23 13:23:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-23 13:23:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-23 13:23:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-23 13:23:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-23 13:23:02,069 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-23 13:23:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-08-23 13:23:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-23 13:23:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-23 13:23:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-23 13:23:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-08-23 13:23:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-23 13:23:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-23 13:23:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-08-23 13:23:02,072 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-23 13:23:02,199 INFO L243 CfgBuilder]: Building ICFG [2024-08-23 13:23:02,201 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-23 13:23:02,609 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-23 13:23:02,609 INFO L292 CfgBuilder]: Performing block encoding [2024-08-23 13:23:02,906 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-23 13:23:02,906 INFO L319 CfgBuilder]: Removed 4 assume(true) statements. [2024-08-23 13:23:02,907 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 01:23:02 BoogieIcfgContainer [2024-08-23 13:23:02,907 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-23 13:23:02,908 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-23 13:23:02,908 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-23 13:23:02,911 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-23 13:23:02,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.08 01:23:01" (1/4) ... [2024-08-23 13:23:02,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544919da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 01:23:02, skipping insertion in model container [2024-08-23 13:23:02,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 01:23:01" (2/4) ... [2024-08-23 13:23:02,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544919da and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 01:23:02, skipping insertion in model container [2024-08-23 13:23:02,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 01:23:01" (3/4) ... [2024-08-23 13:23:02,914 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544919da and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.08 01:23:02, skipping insertion in model container [2024-08-23 13:23:02,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 01:23:02" (4/4) ... [2024-08-23 13:23:02,915 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-dec-subseq.wvr.c [2024-08-23 13:23:02,932 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-23 13:23:02,933 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-08-23 13:23:02,933 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-23 13:23:02,973 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-08-23 13:23:03,014 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 13:23:03,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-23 13:23:03,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-23 13:23:03,017 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-23 13:23:03,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-23 13:23:03,049 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-23 13:23:03,063 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-23 13:23:03,070 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;@7222955f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-23 13:23:03,070 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-08-23 13:23:03,143 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:23:03,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:23:03,148 INFO L85 PathProgramCache]: Analyzing trace with hash 862239161, now seen corresponding path program 1 times [2024-08-23 13:23:03,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-23 13:23:03,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1369407848] [2024-08-23 13:23:03,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:23:03,164 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-23 13:23:03,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-23 13:23:03,186 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-23 13:23:03,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-08-23 13:23:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:23:03,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2024-08-23 13:23:03,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 13:23:03,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-23 13:23:03,386 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-23 13:23:03,387 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-23 13:23:03,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1369407848] [2024-08-23 13:23:03,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1369407848] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 13:23:03,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 13:23:03,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-23 13:23:03,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032715479] [2024-08-23 13:23:03,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 13:23:03,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-23 13:23:03,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-23 13:23:03,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-23 13:23:03,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-23 13:23:03,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:23:03,430 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:23:03,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:23:03,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:23:03,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:03,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-08-23 13:23:03,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-23 13:23:03,896 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:23:03,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:23:03,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1204920272, now seen corresponding path program 1 times [2024-08-23 13:23:03,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-23 13:23:03,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1234198316] [2024-08-23 13:23:03,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:23:03,897 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-23 13:23:03,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-23 13:23:03,899 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-23 13:23:03,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-08-23 13:23:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:23:04,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 7 conjunts are in the unsatisfiable core [2024-08-23 13:23:04,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 13:23:04,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-23 13:23:04,136 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-23 13:23:04,136 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-23 13:23:04,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1234198316] [2024-08-23 13:23:04,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1234198316] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 13:23:04,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 13:23:04,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-23 13:23:04,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77709775] [2024-08-23 13:23:04,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 13:23:04,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-23 13:23:04,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-23 13:23:04,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-23 13:23:04,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-23 13:23:04,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:23:04,142 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:23:04,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:23:04,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:04,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:23:04,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:04,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:04,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-08-23 13:23:04,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-23 13:23:04,464 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:23:04,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:23:04,465 INFO L85 PathProgramCache]: Analyzing trace with hash -95972267, now seen corresponding path program 1 times [2024-08-23 13:23:04,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-23 13:23:04,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [780330072] [2024-08-23 13:23:04,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:23:04,465 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-23 13:23:04,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-23 13:23:04,467 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-23 13:23:04,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-08-23 13:23:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:23:04,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2024-08-23 13:23:04,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 13:23:04,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-23 13:23:04,613 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-23 13:23:04,613 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-23 13:23:04,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [780330072] [2024-08-23 13:23:04,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [780330072] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 13:23:04,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 13:23:04,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-23 13:23:04,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769493801] [2024-08-23 13:23:04,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 13:23:04,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-23 13:23:04,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-23 13:23:04,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-23 13:23:04,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-23 13:23:04,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:23:04,617 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:23:04,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:23:04,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:04,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:04,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:23:04,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:04,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:04,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:04,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-08-23 13:23:04,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-23 13:23:04,946 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:23:04,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:23:04,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1951967333, now seen corresponding path program 1 times [2024-08-23 13:23:04,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-23 13:23:04,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1493612710] [2024-08-23 13:23:04,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-23 13:23:04,948 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-23 13:23:04,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-23 13:23:04,951 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-23 13:23:04,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-08-23 13:23:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:23:05,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 9 conjunts are in the unsatisfiable core [2024-08-23 13:23:05,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 13:23:05,549 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2024-08-23 13:23:05,550 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 42 treesize of output 10 [2024-08-23 13:23:05,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-23 13:23:05,604 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 13:23:08,183 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 13:23:08,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 71 treesize of output 122 [2024-08-23 13:23:09,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-23 13:23:09,024 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-23 13:23:09,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1493612710] [2024-08-23 13:23:09,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1493612710] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 13:23:09,025 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-23 13:23:09,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-08-23 13:23:09,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678563760] [2024-08-23 13:23:09,025 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-23 13:23:09,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-08-23 13:23:09,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-23 13:23:09,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-08-23 13:23:09,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=177, Unknown=1, NotChecked=0, Total=240 [2024-08-23 13:23:09,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:23:09,027 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:23:09,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.6875) internal successors, (59), 15 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:23:09,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:09,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:09,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:09,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:23:09,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:09,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:09,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:09,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-23 13:23:09,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-08-23 13:23:09,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-23 13:23:09,752 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:23:09,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:23:09,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1484294944, now seen corresponding path program 2 times [2024-08-23 13:23:09,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-23 13:23:09,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [68383059] [2024-08-23 13:23:09,753 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-23 13:23:09,753 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-23 13:23:09,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-23 13:23:09,754 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-23 13:23:09,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-08-23 13:23:09,857 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-23 13:23:09,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 13:23:09,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjunts are in the unsatisfiable core [2024-08-23 13:23:09,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 13:23:09,910 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-08-23 13:23:09,911 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-23 13:23:09,911 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-23 13:23:09,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [68383059] [2024-08-23 13:23:09,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [68383059] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 13:23:09,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 13:23:09,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-23 13:23:09,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058506421] [2024-08-23 13:23:09,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 13:23:09,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-23 13:23:09,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-23 13:23:09,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-23 13:23:09,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-23 13:23:09,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:23:09,917 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:23:09,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:23:09,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:09,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:09,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:09,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-23 13:23:09,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:23:10,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:10,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:10,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:10,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-23 13:23:10,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:10,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-08-23 13:23:10,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-23 13:23:10,274 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:23:10,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:23:10,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1682836923, now seen corresponding path program 3 times [2024-08-23 13:23:10,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-23 13:23:10,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1192797940] [2024-08-23 13:23:10,276 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-23 13:23:10,276 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-23 13:23:10,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-23 13:23:10,279 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-23 13:23:10,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-08-23 13:23:10,413 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-08-23 13:23:10,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 13:23:10,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2024-08-23 13:23:10,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 13:23:10,702 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 34 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-08-23 13:23:10,702 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 13:23:11,418 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 19 proven. 16 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-08-23 13:23:11,419 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-23 13:23:11,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1192797940] [2024-08-23 13:23:11,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1192797940] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 13:23:11,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-23 13:23:11,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-08-23 13:23:11,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555947418] [2024-08-23 13:23:11,421 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-23 13:23:11,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-08-23 13:23:11,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-23 13:23:11,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-08-23 13:23:11,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-08-23 13:23:11,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:23:11,424 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:23:11,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 9 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:23:11,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:11,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:11,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:11,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-23 13:23:11,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:11,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:23:11,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:11,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:11,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:11,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-23 13:23:11,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:11,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 13:23:11,628 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-08-23 13:23:11,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-23 13:23:11,824 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:23:11,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:23:11,825 INFO L85 PathProgramCache]: Analyzing trace with hash 144361686, now seen corresponding path program 4 times [2024-08-23 13:23:11,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-23 13:23:11,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [590088982] [2024-08-23 13:23:11,826 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-23 13:23:11,826 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-23 13:23:11,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-23 13:23:11,829 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-23 13:23:11,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-08-23 13:23:11,937 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-23 13:23:11,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 13:23:11,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 3 conjunts are in the unsatisfiable core [2024-08-23 13:23:11,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 13:23:11,975 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-08-23 13:23:11,975 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-23 13:23:11,975 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-23 13:23:11,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [590088982] [2024-08-23 13:23:11,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [590088982] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-23 13:23:11,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-23 13:23:11,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-23 13:23:11,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976951203] [2024-08-23 13:23:11,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-23 13:23:11,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-23 13:23:11,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-23 13:23:11,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-23 13:23:11,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-23 13:23:11,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:23:11,977 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:23:11,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:23:11,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:11,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:11,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:11,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-23 13:23:11,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:11,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 13:23:11,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:23:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-23 13:23:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 13:23:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:23:12,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2024-08-23 13:23:12,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-23 13:23:12,398 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:23:12,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:23:12,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1797854279, now seen corresponding path program 5 times [2024-08-23 13:23:12,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-23 13:23:12,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1987083853] [2024-08-23 13:23:12,399 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-23 13:23:12,399 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-23 13:23:12,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-23 13:23:12,401 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-23 13:23:12,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-08-23 13:23:12,540 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-08-23 13:23:12,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 13:23:12,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 12 conjunts are in the unsatisfiable core [2024-08-23 13:23:12,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 13:23:12,778 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-08-23 13:23:12,778 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 13:23:13,361 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-23 13:23:13,361 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-23 13:23:13,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1987083853] [2024-08-23 13:23:13,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1987083853] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 13:23:13,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-23 13:23:13,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 15 [2024-08-23 13:23:13,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144211244] [2024-08-23 13:23:13,362 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-23 13:23:13,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-08-23 13:23:13,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-23 13:23:13,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-08-23 13:23:13,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-08-23 13:23:13,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:23:13,363 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:23:13,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.5625) internal successors, (73), 15 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:23:13,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:13,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:13,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:13,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-23 13:23:13,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:13,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 13:23:13,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:23:13,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:23:13,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:13,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:13,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:13,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-23 13:23:13,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:13,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 13:23:13,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:23:13,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-23 13:23:13,885 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-08-23 13:23:14,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-23 13:23:14,079 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:23:14,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:23:14,080 INFO L85 PathProgramCache]: Analyzing trace with hash -199085311, now seen corresponding path program 6 times [2024-08-23 13:23:14,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-23 13:23:14,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1865238588] [2024-08-23 13:23:14,080 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-23 13:23:14,081 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-23 13:23:14,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-23 13:23:14,082 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-23 13:23:14,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-08-23 13:23:14,236 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-08-23 13:23:14,236 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 13:23:14,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 20 conjunts are in the unsatisfiable core [2024-08-23 13:23:14,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 13:23:15,434 INFO L349 Elim1Store]: treesize reduction 34, result has 58.0 percent of original size [2024-08-23 13:23:15,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 62 [2024-08-23 13:23:15,539 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-23 13:23:15,539 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 13:23:22,587 INFO L349 Elim1Store]: treesize reduction 56, result has 74.7 percent of original size [2024-08-23 13:23:22,588 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 82 treesize of output 180 [2024-08-23 13:23:22,890 INFO L349 Elim1Store]: treesize reduction 123, result has 44.3 percent of original size [2024-08-23 13:23:22,890 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 77 treesize of output 113 [2024-08-23 13:23:23,082 INFO L349 Elim1Store]: treesize reduction 39, result has 57.1 percent of original size [2024-08-23 13:23:23,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 64 [2024-08-23 13:23:23,253 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-23 13:23:23,253 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-23 13:23:23,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1865238588] [2024-08-23 13:23:23,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1865238588] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 13:23:23,254 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-23 13:23:23,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 24 [2024-08-23 13:23:23,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637110456] [2024-08-23 13:23:23,254 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-23 13:23:23,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-08-23 13:23:23,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-23 13:23:23,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-08-23 13:23:23,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=484, Unknown=2, NotChecked=0, Total=600 [2024-08-23 13:23:23,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:23:23,256 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:23:23,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.08) internal successors, (77), 24 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:23:23,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:23,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:23,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:23,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-23 13:23:23,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:23:23,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 13:23:23,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:23:23,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-23 13:23:23,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:23:34,127 WARN L293 SmtUtils]: Spent 10.05s on a formula simplification. DAG size of input: 53 DAG size of output: 44 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-23 13:23:56,328 WARN L293 SmtUtils]: Spent 22.11s on a formula simplification. DAG size of input: 62 DAG size of output: 56 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-23 13:24:02,509 WARN L293 SmtUtils]: Spent 6.04s on a formula simplification. DAG size of input: 50 DAG size of output: 44 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-23 13:24:05,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-23 13:24:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-23 13:24:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 13:24:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:24:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-23 13:24:06,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-08-23 13:24:06,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2024-08-23 13:24:06,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-23 13:24:06,835 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:24:06,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:24:06,836 INFO L85 PathProgramCache]: Analyzing trace with hash -154825759, now seen corresponding path program 7 times [2024-08-23 13:24:06,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-23 13:24:06,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1903077407] [2024-08-23 13:24:06,836 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-23 13:24:06,836 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-23 13:24:06,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-23 13:24:06,839 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-23 13:24:06,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-08-23 13:24:06,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-23 13:24:06,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 17 conjunts are in the unsatisfiable core [2024-08-23 13:24:06,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 13:24:07,346 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 43 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-08-23 13:24:07,347 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 13:24:08,174 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 53 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-08-23 13:24:08,174 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-23 13:24:08,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1903077407] [2024-08-23 13:24:08,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1903077407] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 13:24:08,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-23 13:24:08,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-08-23 13:24:08,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882652769] [2024-08-23 13:24:08,175 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-23 13:24:08,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-08-23 13:24:08,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-23 13:24:08,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-08-23 13:24:08,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-08-23 13:24:08,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:24:08,176 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:24:08,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.5625) internal successors, (89), 15 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:24:08,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:08,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:08,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:08,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-23 13:24:08,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:08,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 13:24:08,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:24:08,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-23 13:24:08,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-08-23 13:24:08,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:24:08,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:08,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:08,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:08,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-23 13:24:08,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:08,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 13:24:08,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:24:08,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-23 13:24:08,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-08-23 13:24:08,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-23 13:24:08,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2024-08-23 13:24:08,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-23 13:24:08,845 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:24:08,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:24:08,845 INFO L85 PathProgramCache]: Analyzing trace with hash -207468868, now seen corresponding path program 8 times [2024-08-23 13:24:08,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-23 13:24:08,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [646660326] [2024-08-23 13:24:08,846 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-23 13:24:08,846 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-23 13:24:08,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-23 13:24:08,847 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-23 13:24:08,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-08-23 13:24:08,973 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-23 13:24:08,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 13:24:08,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 21 conjunts are in the unsatisfiable core [2024-08-23 13:24:08,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 13:24:09,589 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 44 proven. 23 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-08-23 13:24:09,589 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 13:24:11,088 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 61 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-08-23 13:24:11,088 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-23 13:24:11,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [646660326] [2024-08-23 13:24:11,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [646660326] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 13:24:11,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-23 13:24:11,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-08-23 13:24:11,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308486313] [2024-08-23 13:24:11,089 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-23 13:24:11,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-08-23 13:24:11,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-23 13:24:11,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-08-23 13:24:11,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2024-08-23 13:24:11,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:24:11,090 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:24:11,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.3) internal successors, (106), 19 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:24:11,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:11,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:11,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:11,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-23 13:24:11,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:11,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 13:24:11,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:24:11,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-23 13:24:11,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-08-23 13:24:11,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-23 13:24:11,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:24:11,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:11,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:11,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:11,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-23 13:24:11,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:11,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 13:24:11,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:24:11,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-23 13:24:11,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-08-23 13:24:11,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-23 13:24:11,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 13:24:11,574 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-08-23 13:24:11,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-23 13:24:11,767 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:24:11,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:24:11,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1839405247, now seen corresponding path program 9 times [2024-08-23 13:24:11,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-23 13:24:11,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1443635161] [2024-08-23 13:24:11,767 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-23 13:24:11,767 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-23 13:24:11,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-23 13:24:11,770 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-23 13:24:11,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-08-23 13:24:11,988 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-08-23 13:24:11,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 13:24:11,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 13 conjunts are in the unsatisfiable core [2024-08-23 13:24:11,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 13:24:12,311 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 31 proven. 33 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-08-23 13:24:12,311 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 13:24:12,642 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 35 proven. 33 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-08-23 13:24:12,643 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-23 13:24:12,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1443635161] [2024-08-23 13:24:12,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1443635161] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-23 13:24:12,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-23 13:24:12,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 18 [2024-08-23 13:24:12,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229098326] [2024-08-23 13:24:12,643 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-23 13:24:12,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-08-23 13:24:12,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-23 13:24:12,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-08-23 13:24:12,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-08-23 13:24:12,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:24:12,645 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-23 13:24:12,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.421052631578948) internal successors, (103), 18 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-23 13:24:12,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:12,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:12,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:12,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-23 13:24:12,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:12,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-23 13:24:12,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:24:12,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-23 13:24:12,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-08-23 13:24:12,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-23 13:24:12,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-23 13:24:12,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-23 13:24:13,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:13,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:13,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:13,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-23 13:24:13,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-23 13:24:13,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-23 13:24:13,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-23 13:24:13,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-23 13:24:13,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-08-23 13:24:13,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-23 13:24:13,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-23 13:24:13,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-23 13:24:13,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2024-08-23 13:24:13,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-23 13:24:13,337 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-23 13:24:13,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-23 13:24:13,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1385172991, now seen corresponding path program 10 times [2024-08-23 13:24:13,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-23 13:24:13,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1253013074] [2024-08-23 13:24:13,337 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-23 13:24:13,338 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-23 13:24:13,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-23 13:24:13,339 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-23 13:24:13,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-08-23 13:24:13,560 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-23 13:24:13,560 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-23 13:24:13,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 36 conjunts are in the unsatisfiable core [2024-08-23 13:24:13,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-23 13:24:41,646 INFO L349 Elim1Store]: treesize reduction 83, result has 79.5 percent of original size [2024-08-23 13:24:41,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 160 treesize of output 349 [2024-08-23 13:24:42,539 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 24 proven. 26 refuted. 12 times theorem prover too weak. 20 trivial. 0 not checked. [2024-08-23 13:24:42,539 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-23 13:29:31,450 WARN L293 SmtUtils]: Spent 3.18m on a formula simplification that was a NOOP. DAG size: 3492 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-08-23 13:29:31,452 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-23 13:29:31,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 43 select indices, 43 select index equivalence classes, 0 disjoint index pairs (out of 903 index pairs), introduced 43 new quantified variables, introduced 903 case distinctions, treesize of input 811 treesize of output 14953 Killed by 15