./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-20_10-08-36.files/protection-ghost/popl20-simple-array-sum.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da67795f 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-simple-array-sum.wvr.c ./goblint.2024-08-20_10-08-36.files/protection-ghost/popl20-simple-array-sum.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-eval-da67795-m [2024-08-27 07:43:09,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-27 07:43:09,814 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-27 07:43:09,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-27 07:43:09,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-27 07:43:09,842 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-27 07:43:09,845 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-27 07:43:09,845 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-27 07:43:09,846 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-27 07:43:09,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-27 07:43:09,848 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-27 07:43:09,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-27 07:43:09,848 INFO L153 SettingsManager]: * Use SBE=true [2024-08-27 07:43:09,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-27 07:43:09,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-27 07:43:09,850 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-27 07:43:09,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-27 07:43:09,851 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-27 07:43:09,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-27 07:43:09,851 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-27 07:43:09,851 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-27 07:43:09,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-27 07:43:09,855 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-27 07:43:09,855 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-27 07:43:09,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-27 07:43:09,856 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-27 07:43:09,856 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-27 07:43:09,856 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-27 07:43:09,856 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-27 07:43:09,856 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-27 07:43:09,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 07:43:09,857 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-27 07:43:09,857 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-27 07:43:09,857 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-27 07:43:09,857 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-27 07:43:09,857 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-27 07:43:09,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-27 07:43:09,858 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-27 07:43:09,858 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-27 07:43:09,858 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-27 07:43:09,858 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-27 07:43:09,859 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-27 07:43:09,859 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-27 07:43:10,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-27 07:43:10,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-27 07:43:10,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-27 07:43:10,107 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-27 07:43:10,108 INFO L274 PluginConnector]: CDTParser initialized [2024-08-27 07:43:10,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c [2024-08-27 07:43:11,446 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-27 07:43:11,617 INFO L384 CDTParser]: Found 1 translation units. [2024-08-27 07:43:11,618 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c [2024-08-27 07:43:11,625 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5d2f812eb/7ac906762e73434f9269e18a56e125a6/FLAGd2f57ec73 [2024-08-27 07:43:11,639 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5d2f812eb/7ac906762e73434f9269e18a56e125a6 [2024-08-27 07:43:11,641 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-27 07:43:11,642 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-27 07:43:11,643 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/protection-ghost/popl20-simple-array-sum.wvr.yml/witness.yml [2024-08-27 07:43:11,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-27 07:43:11,695 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-27 07:43:11,696 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-27 07:43:11,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-27 07:43:11,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-27 07:43:11,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 07:43:11" (1/2) ... [2024-08-27 07:43:11,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@483b40b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:43:11, skipping insertion in model container [2024-08-27 07:43:11,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 07:43:11" (1/2) ... [2024-08-27 07:43:11,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5152e988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:43:11, skipping insertion in model container [2024-08-27 07:43:11,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 07:43:11" (2/2) ... [2024-08-27 07:43:11,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@483b40b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 07:43:11, skipping insertion in model container [2024-08-27 07:43:11,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 07:43:11" (2/2) ... [2024-08-27 07:43:11,705 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-27 07:43:11,715 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-27 07:43:11,716 INFO L1541 ArrayList]: Location invariant before [L98-L98] ! multithreaded || 0 <= p [2024-08-27 07:43:11,716 INFO L1541 ArrayList]: Location invariant before [L96-L96] ! multithreaded || 0 <= p [2024-08-27 07:43:11,716 INFO L1541 ArrayList]: Location invariant before [L97-L97] ! multithreaded || 0 <= p [2024-08-27 07:43:11,716 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-08-27 07:43:11,716 INFO L1541 ArrayList]: ghost_update [L95-L95] multithreaded = 1; [2024-08-27 07:43:11,734 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-27 07:43:11,942 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-simple-array-sum.wvr.c[2729,2742] [2024-08-27 07:43:11,953 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 07:43:11,963 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-27 07:43:12,013 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-simple-array-sum.wvr.c[2729,2742] [2024-08-27 07:43:12,016 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 07:43:12,032 INFO L206 MainTranslator]: Completed translation [2024-08-27 07:43:12,034 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 07:43:12 WrapperNode [2024-08-27 07:43:12,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-27 07:43:12,035 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-27 07:43:12,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-27 07:43:12,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-27 07:43:12,041 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 27.08 07:43:12" (1/1) ... [2024-08-27 07:43:12,048 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 27.08 07:43:12" (1/1) ... [2024-08-27 07:43:12,067 INFO L138 Inliner]: procedures = 25, calls = 28, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 118 [2024-08-27 07:43:12,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-27 07:43:12,071 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-27 07:43:12,071 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-27 07:43:12,072 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-27 07:43:12,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 07:43:12" (1/1) ... [2024-08-27 07:43:12,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 07:43:12" (1/1) ... [2024-08-27 07:43:12,083 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 07:43:12" (1/1) ... [2024-08-27 07:43:12,083 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 07:43:12" (1/1) ... [2024-08-27 07:43:12,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 07:43:12" (1/1) ... [2024-08-27 07:43:12,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 07:43:12" (1/1) ... [2024-08-27 07:43:12,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 07:43:12" (1/1) ... [2024-08-27 07:43:12,097 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 07:43:12" (1/1) ... [2024-08-27 07:43:12,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-27 07:43:12,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-27 07:43:12,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-27 07:43:12,100 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-27 07:43:12,101 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 07:43:12" (1/1) ... [2024-08-27 07:43:12,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 07:43:12,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 07:43:12,129 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) [2024-08-27 07:43:12,131 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 [2024-08-27 07:43:12,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-27 07:43:12,170 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-27 07:43:12,170 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-27 07:43:12,170 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-27 07:43:12,170 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-27 07:43:12,170 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-27 07:43:12,170 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-27 07:43:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-27 07:43:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-27 07:43:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-27 07:43:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-27 07:43:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-27 07:43:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-27 07:43:12,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-27 07:43:12,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-27 07:43:12,173 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-27 07:43:12,270 INFO L242 CfgBuilder]: Building ICFG [2024-08-27 07:43:12,272 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-27 07:43:12,522 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-27 07:43:12,522 INFO L291 CfgBuilder]: Performing block encoding [2024-08-27 07:43:12,716 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-27 07:43:12,716 INFO L318 CfgBuilder]: Removed 5 assume(true) statements. [2024-08-27 07:43:12,717 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 07:43:12 BoogieIcfgContainer [2024-08-27 07:43:12,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-27 07:43:12,720 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-27 07:43:12,721 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-27 07:43:12,723 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-27 07:43:12,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 07:43:11" (1/4) ... [2024-08-27 07:43:12,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4beb7e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 07:43:12, skipping insertion in model container [2024-08-27 07:43:12,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 07:43:11" (2/4) ... [2024-08-27 07:43:12,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4beb7e5a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.08 07:43:12, skipping insertion in model container [2024-08-27 07:43:12,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 07:43:12" (3/4) ... [2024-08-27 07:43:12,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4beb7e5a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.08 07:43:12, skipping insertion in model container [2024-08-27 07:43:12,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 07:43:12" (4/4) ... [2024-08-27 07:43:12,727 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-simple-array-sum.wvr.c [2024-08-27 07:43:12,744 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-27 07:43:12,745 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-08-27 07:43:12,745 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-27 07:43:12,788 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-08-27 07:43:12,824 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 07:43:12,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-27 07:43:12,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 07:43:12,829 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) [2024-08-27 07:43:12,837 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 [2024-08-27 07:43:12,863 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-27 07:43:12,874 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-27 07:43:12,879 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;@f9082b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 07:43:12,879 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-08-27 07:43:12,944 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 07:43:12,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 07:43:12,949 INFO L85 PathProgramCache]: Analyzing trace with hash 989883032, now seen corresponding path program 1 times [2024-08-27 07:43:12,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 07:43:12,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145572306] [2024-08-27 07:43:12,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 07:43:12,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 07:43:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 07:43:13,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 07:43:13,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 07:43:13,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145572306] [2024-08-27 07:43:13,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145572306] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 07:43:13,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 07:43:13,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-27 07:43:13,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057172371] [2024-08-27 07:43:13,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 07:43:13,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 07:43:13,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 07:43:13,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 07:43:13,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 07:43:13,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 07:43:13,249 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 07:43:13,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2024-08-27 07:43:13,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 07:43:13,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 07:43:13,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-27 07:43:13,412 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 07:43:13,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 07:43:13,413 INFO L85 PathProgramCache]: Analyzing trace with hash 189935508, now seen corresponding path program 1 times [2024-08-27 07:43:13,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 07:43:13,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551127223] [2024-08-27 07:43:13,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 07:43:13,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 07:43:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 07:43:13,738 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-08-27 07:43:13,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 07:43:13,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551127223] [2024-08-27 07:43:13,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551127223] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 07:43:13,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 07:43:13,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-27 07:43:13,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068596893] [2024-08-27 07:43:13,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 07:43:13,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-27 07:43:13,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 07:43:13,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-27 07:43:13,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-27 07:43:13,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 07:43:13,743 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 07:43:13,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) 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) [2024-08-27 07:43:13,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 07:43:13,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 07:43:13,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 07:43:13,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 07:43:13,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-27 07:43:13,886 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 07:43:13,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 07:43:13,887 INFO L85 PathProgramCache]: Analyzing trace with hash 999013090, now seen corresponding path program 1 times [2024-08-27 07:43:13,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 07:43:13,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115344305] [2024-08-27 07:43:13,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 07:43:13,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 07:43:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 07:43:14,126 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-08-27 07:43:14,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 07:43:14,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115344305] [2024-08-27 07:43:14,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115344305] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 07:43:14,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075851996] [2024-08-27 07:43:14,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 07:43:14,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 07:43:14,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 07:43:14,192 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) [2024-08-27 07:43:14,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-27 07:43:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 07:43:14,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-27 07:43:14,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 07:43:14,478 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-08-27 07:43:14,482 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 07:43:14,582 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-08-27 07:43:14,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075851996] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 07:43:14,583 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 07:43:14,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-08-27 07:43:14,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248699011] [2024-08-27 07:43:14,585 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 07:43:14,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-08-27 07:43:14,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 07:43:14,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-08-27 07:43:14,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-08-27 07:43:14,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 07:43:14,588 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 07:43:14,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.785714285714286) internal successors, (95), 13 states have internal predecessors, (95), 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) [2024-08-27 07:43:14,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 07:43:14,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 07:43:14,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 07:43:14,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 07:43:14,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 07:43:14,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 07:43:14,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-08-27 07:43:14,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-08-27 07:43:14,963 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 07:43:14,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 07:43:14,963 INFO L85 PathProgramCache]: Analyzing trace with hash 244693972, now seen corresponding path program 2 times [2024-08-27 07:43:14,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 07:43:14,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090587197] [2024-08-27 07:43:14,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 07:43:14,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 07:43:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 07:43:15,216 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-27 07:43:15,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 07:43:15,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090587197] [2024-08-27 07:43:15,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090587197] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 07:43:15,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835963113] [2024-08-27 07:43:15,219 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-27 07:43:15,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 07:43:15,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 07:43:15,221 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) [2024-08-27 07:43:15,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-27 07:43:15,340 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-27 07:43:15,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 07:43:15,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 10 conjunts are in the unsatisfiable core [2024-08-27 07:43:15,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 07:43:15,531 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-27 07:43:15,533 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 07:43:15,673 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-27 07:43:15,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835963113] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 07:43:15,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 07:43:15,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-08-27 07:43:15,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923998815] [2024-08-27 07:43:15,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 07:43:15,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-08-27 07:43:15,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 07:43:15,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-08-27 07:43:15,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2024-08-27 07:43:15,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 07:43:15,676 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 07:43:15,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.578947368421052) internal successors, (106), 18 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) [2024-08-27 07:43:15,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 07:43:15,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 07:43:15,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 07:43:15,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 07:43:15,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 07:43:15,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 07:43:15,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 07:43:15,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 07:43:15,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-08-27 07:43:15,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 07:43:15,992 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 07:43:15,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 07:43:15,993 INFO L85 PathProgramCache]: Analyzing trace with hash -589341790, now seen corresponding path program 3 times [2024-08-27 07:43:15,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 07:43:15,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418727235] [2024-08-27 07:43:15,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 07:43:15,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 07:43:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 07:43:16,185 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-27 07:43:16,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 07:43:16,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418727235] [2024-08-27 07:43:16,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418727235] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 07:43:16,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251090910] [2024-08-27 07:43:16,186 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-27 07:43:16,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 07:43:16,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 07:43:16,188 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) [2024-08-27 07:43:16,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-27 07:43:16,326 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-08-27 07:43:16,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 07:43:16,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-27 07:43:16,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 07:43:16,471 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-08-27 07:43:16,471 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 07:43:16,555 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-08-27 07:43:16,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251090910] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 07:43:16,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 07:43:16,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 6] total 19 [2024-08-27 07:43:16,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548714209] [2024-08-27 07:43:16,559 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 07:43:16,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-08-27 07:43:16,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 07:43:16,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-08-27 07:43:16,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2024-08-27 07:43:16,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 07:43:16,560 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 07:43:16,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.315789473684211) internal successors, (120), 19 states have internal predecessors, (120), 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) [2024-08-27 07:43:16,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 07:43:16,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 07:43:16,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 07:43:16,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 07:43:16,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 07:43:17,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 07:43:17,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 07:43:17,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 07:43:17,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 07:43:17,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 07:43:17,194 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-08-27 07:43:17,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 07:43:17,382 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 07:43:17,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 07:43:17,383 INFO L85 PathProgramCache]: Analyzing trace with hash 671265464, now seen corresponding path program 4 times [2024-08-27 07:43:17,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 07:43:17,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939091122] [2024-08-27 07:43:17,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 07:43:17,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 07:43:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 07:43:17,645 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 43 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-27 07:43:17,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 07:43:17,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939091122] [2024-08-27 07:43:17,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939091122] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 07:43:17,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159799953] [2024-08-27 07:43:17,646 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-27 07:43:17,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 07:43:17,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 07:43:17,650 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) [2024-08-27 07:43:17,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-08-27 07:43:17,728 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-27 07:43:17,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 07:43:17,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 10 conjunts are in the unsatisfiable core [2024-08-27 07:43:17,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 07:43:17,922 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 16 proven. 39 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-08-27 07:43:17,923 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 07:43:18,007 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-08-27 07:43:18,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159799953] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 07:43:18,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 07:43:18,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 6] total 22 [2024-08-27 07:43:18,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180947970] [2024-08-27 07:43:18,008 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 07:43:18,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-08-27 07:43:18,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 07:43:18,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-08-27 07:43:18,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=388, Unknown=0, NotChecked=0, Total=462 [2024-08-27 07:43:18,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 07:43:18,010 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 07:43:18,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.5) internal successors, (143), 22 states have internal predecessors, (143), 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) [2024-08-27 07:43:18,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 07:43:18,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 07:43:18,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 07:43:18,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 07:43:18,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 07:43:18,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 07:43:18,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 07:43:18,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 07:43:18,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 07:43:18,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 07:43:18,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 07:43:18,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-27 07:43:18,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-08-27 07:43:18,739 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,SelfDestructingSolverStorable5 [2024-08-27 07:43:18,740 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 07:43:18,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 07:43:18,740 INFO L85 PathProgramCache]: Analyzing trace with hash 839732214, now seen corresponding path program 5 times [2024-08-27 07:43:18,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 07:43:18,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921007748] [2024-08-27 07:43:18,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 07:43:18,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 07:43:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 07:43:18,998 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-08-27 07:43:18,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 07:43:18,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921007748] [2024-08-27 07:43:18,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921007748] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 07:43:18,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 07:43:18,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-27 07:43:18,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018955612] [2024-08-27 07:43:18,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 07:43:18,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-27 07:43:18,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 07:43:18,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-27 07:43:18,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-08-27 07:43:19,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 07:43:19,000 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 07:43:19,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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) [2024-08-27 07:43:19,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 07:43:19,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 07:43:19,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 07:43:19,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 07:43:19,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 07:43:19,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-27 07:43:19,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 07:43:19,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 07:43:19,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 07:43:19,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 07:43:19,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 07:43:19,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-08-27 07:43:19,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-27 07:43:19,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 07:43:19,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-08-27 07:43:19,174 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 07:43:19,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 07:43:19,175 INFO L85 PathProgramCache]: Analyzing trace with hash -2048086187, now seen corresponding path program 1 times [2024-08-27 07:43:19,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 07:43:19,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105962110] [2024-08-27 07:43:19,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 07:43:19,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 07:43:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 07:43:19,407 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 3 proven. 71 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-08-27 07:43:19,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 07:43:19,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105962110] [2024-08-27 07:43:19,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105962110] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 07:43:19,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617576403] [2024-08-27 07:43:19,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 07:43:19,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 07:43:19,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 07:43:19,413 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) [2024-08-27 07:43:19,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-08-27 07:43:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 07:43:19,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 12 conjunts are in the unsatisfiable core [2024-08-27 07:43:19,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 07:43:19,783 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 6 proven. 68 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-08-27 07:43:19,783 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 07:43:19,965 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 10 proven. 64 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-08-27 07:43:19,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617576403] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 07:43:19,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 07:43:19,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2024-08-27 07:43:19,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263559405] [2024-08-27 07:43:19,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 07:43:19,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-08-27 07:43:19,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 07:43:19,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-08-27 07:43:19,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2024-08-27 07:43:19,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 07:43:19,969 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 07:43:19,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.583333333333333) internal successors, (134), 23 states have internal predecessors, (134), 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) [2024-08-27 07:43:19,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 07:43:19,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 07:43:19,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 07:43:19,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 07:43:19,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-08-27 07:43:19,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-27 07:43:19,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 07:43:19,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 07:43:20,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 07:43:20,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 07:43:20,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 07:43:20,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 07:43:20,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-08-27 07:43:20,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-27 07:43:20,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 07:43:20,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 07:43:20,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-08-27 07:43:20,548 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 [2024-08-27 07:43:20,549 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 07:43:20,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 07:43:20,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1160710826, now seen corresponding path program 2 times [2024-08-27 07:43:20,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 07:43:20,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85327894] [2024-08-27 07:43:20,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 07:43:20,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 07:43:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 07:43:21,541 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 186 proven. 231 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-27 07:43:21,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 07:43:21,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85327894] [2024-08-27 07:43:21,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85327894] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 07:43:21,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48026351] [2024-08-27 07:43:21,542 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-27 07:43:21,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 07:43:21,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 07:43:21,544 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) [2024-08-27 07:43:21,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-08-27 07:43:21,652 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-27 07:43:21,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 07:43:21,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 14 conjunts are in the unsatisfiable core [2024-08-27 07:43:21,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 07:43:21,998 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 287 proven. 10 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-08-27 07:43:21,999 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 07:43:22,326 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 287 proven. 10 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-08-27 07:43:22,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48026351] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 07:43:22,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 07:43:22,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 12, 12] total 55 [2024-08-27 07:43:22,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187115483] [2024-08-27 07:43:22,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 07:43:22,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-08-27 07:43:22,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 07:43:22,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-08-27 07:43:22,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=426, Invalid=2654, Unknown=0, NotChecked=0, Total=3080 [2024-08-27 07:43:22,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 07:43:22,329 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 07:43:22,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 4.642857142857143) internal successors, (260), 55 states have internal predecessors, (260), 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) [2024-08-27 07:43:22,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 07:43:22,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 07:43:22,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 07:43:22,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 07:43:22,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-08-27 07:43:22,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-27 07:43:22,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 07:43:22,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 07:43:22,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 07:43:22,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 07:43:22,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 07:43:22,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 07:43:22,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 07:43:22,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-08-27 07:43:22,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-27 07:43:22,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 07:43:22,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 07:43:22,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 07:43:22,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-08-27 07:43:22,807 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,SelfDestructingSolverStorable8 [2024-08-27 07:43:22,808 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 07:43:22,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 07:43:22,809 INFO L85 PathProgramCache]: Analyzing trace with hash 634286108, now seen corresponding path program 3 times [2024-08-27 07:43:22,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 07:43:22,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566469154] [2024-08-27 07:43:22,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 07:43:22,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 07:43:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 07:43:23,851 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 186 proven. 236 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-08-27 07:43:23,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 07:43:23,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566469154] [2024-08-27 07:43:23,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566469154] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 07:43:23,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989833692] [2024-08-27 07:43:23,851 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-27 07:43:23,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 07:43:23,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 07:43:23,855 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) [2024-08-27 07:43:23,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-08-27 07:43:23,952 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-08-27 07:43:23,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 07:43:23,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2024-08-27 07:43:23,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 07:43:24,107 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 115 proven. 5 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-08-27 07:43:24,107 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 07:43:24,233 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 115 proven. 5 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-08-27 07:43:24,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989833692] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 07:43:24,234 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 07:43:24,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 7, 7] total 43 [2024-08-27 07:43:24,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846294332] [2024-08-27 07:43:24,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 07:43:24,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-08-27 07:43:24,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 07:43:24,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-08-27 07:43:24,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=1558, Unknown=0, NotChecked=0, Total=1806 [2024-08-27 07:43:24,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 07:43:24,236 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 07:43:24,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 4.255813953488372) internal successors, (183), 43 states have internal predecessors, (183), 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) [2024-08-27 07:43:24,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 07:43:24,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 07:43:24,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 07:43:24,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 07:43:24,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-08-27 07:43:24,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-27 07:43:24,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 07:43:24,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 07:43:24,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 07:43:24,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 07:43:26,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 07:43:26,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 07:43:26,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 07:43:26,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 07:43:26,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-08-27 07:43:26,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 07:43:26,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 07:43:26,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 07:43:26,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 07:43:26,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-08-27 07:43:26,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-08-27 07:43:26,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 07:43:26,352 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 07:43:26,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 07:43:26,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1635474833, now seen corresponding path program 6 times [2024-08-27 07:43:26,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 07:43:26,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628631280] [2024-08-27 07:43:26,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 07:43:26,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 07:43:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 07:43:26,894 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 36 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-27 07:43:26,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 07:43:26,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628631280] [2024-08-27 07:43:26,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628631280] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 07:43:26,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657107646] [2024-08-27 07:43:26,895 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-27 07:43:26,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 07:43:26,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 07:43:26,896 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) [2024-08-27 07:43:26,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-08-27 07:43:27,097 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2024-08-27 07:43:27,097 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 07:43:27,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 5 conjunts are in the unsatisfiable core [2024-08-27 07:43:27,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 07:43:27,193 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-08-27 07:43:27,193 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-27 07:43:27,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657107646] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 07:43:27,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-27 07:43:27,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [27] total 30 [2024-08-27 07:43:27,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010306499] [2024-08-27 07:43:27,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 07:43:27,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-27 07:43:27,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 07:43:27,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-27 07:43:27,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=799, Unknown=0, NotChecked=0, Total=930 [2024-08-27 07:43:27,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 07:43:27,195 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 07:43:27,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 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) [2024-08-27 07:43:27,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 07:43:27,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 07:43:27,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 07:43:27,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 07:43:27,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-08-27 07:43:27,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 07:43:27,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 07:43:27,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 07:43:27,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 07:43:27,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-08-27 07:43:27,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 07:43:28,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 07:43:28,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 07:43:28,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 07:43:28,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 07:43:28,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-08-27 07:43:28,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-08-27 07:43:28,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 07:43:28,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 07:43:28,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 07:43:28,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-08-27 07:43:28,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 07:43:28,019 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-08-27 07:43:28,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 07:43:28,206 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 07:43:28,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 07:43:28,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1192682140, now seen corresponding path program 1 times [2024-08-27 07:43:28,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 07:43:28,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539308746] [2024-08-27 07:43:28,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 07:43:28,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 07:43:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 07:43:28,305 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 33 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-08-27 07:43:28,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 07:43:28,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539308746] [2024-08-27 07:43:28,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539308746] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 07:43:28,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94392939] [2024-08-27 07:43:28,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 07:43:28,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 07:43:28,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 07:43:28,309 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) [2024-08-27 07:43:28,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-08-27 07:43:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 07:43:28,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 6 conjunts are in the unsatisfiable core [2024-08-27 07:43:28,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 07:43:28,462 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 41 proven. 19 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-08-27 07:43:28,463 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 07:43:28,530 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 41 proven. 19 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-08-27 07:43:28,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94392939] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 07:43:28,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 07:43:28,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-08-27 07:43:28,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241692204] [2024-08-27 07:43:28,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 07:43:28,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-08-27 07:43:28,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 07:43:28,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-08-27 07:43:28,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-08-27 07:43:28,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 07:43:28,535 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 07:43:28,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 11.0) internal successors, (121), 12 states have internal predecessors, (121), 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) [2024-08-27 07:43:28,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 07:43:28,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 07:43:28,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 07:43:28,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 07:43:28,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-08-27 07:43:28,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-08-27 07:43:28,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 07:43:28,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 07:43:28,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 07:43:28,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-08-27 07:43:28,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 07:43:28,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 07:44:35,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 07:44:35,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 07:44:35,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 07:44:35,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 07:44:35,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-08-27 07:44:35,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-08-27 07:44:35,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 07:44:35,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-08-27 07:44:35,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-08-27 07:44:35,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 426 states. [2024-08-27 07:44:35,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 07:44:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 07:44:35,572 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-08-27 07:44:35,759 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,SelfDestructingSolverStorable11 [2024-08-27 07:44:35,759 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 07:44:35,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 07:44:35,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1674019338, now seen corresponding path program 1 times [2024-08-27 07:44:35,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 07:44:35,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862463728] [2024-08-27 07:44:35,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 07:44:35,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 07:44:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 07:44:35,865 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-08-27 07:44:35,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 07:44:35,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862463728] [2024-08-27 07:44:35,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862463728] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 07:44:35,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609161109] [2024-08-27 07:44:35,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 07:44:35,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 07:44:35,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 07:44:35,870 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) [2024-08-27 07:44:35,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-08-27 07:44:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 07:44:35,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 7 conjunts are in the unsatisfiable core [2024-08-27 07:44:35,964 INFO L285 TraceCheckSpWp]: Computing forward predicates...