./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-lamport.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/parallel-lamport.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/parallel-lamport.wvr.c ./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/parallel-lamport.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 03:59:56,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-27 03:59:56,828 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-27 03:59:56,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-27 03:59:56,836 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-27 03:59:56,867 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-27 03:59:56,868 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-27 03:59:56,868 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-27 03:59:56,869 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-27 03:59:56,869 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-27 03:59:56,870 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-27 03:59:56,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-27 03:59:56,871 INFO L153 SettingsManager]: * Use SBE=true [2024-08-27 03:59:56,872 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-27 03:59:56,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-27 03:59:56,874 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-27 03:59:56,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-27 03:59:56,875 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-27 03:59:56,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-27 03:59:56,875 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-27 03:59:56,875 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-27 03:59:56,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-27 03:59:56,876 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-27 03:59:56,877 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-27 03:59:56,877 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-27 03:59:56,877 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-27 03:59:56,878 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-27 03:59:56,878 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-27 03:59:56,878 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-27 03:59:56,879 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-27 03:59:56,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 03:59:56,879 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-27 03:59:56,880 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-27 03:59:56,880 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-27 03:59:56,880 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-27 03:59:56,881 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-27 03:59:56,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-27 03:59:56,881 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-27 03:59:56,882 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-27 03:59:56,882 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-27 03:59:56,882 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-27 03:59:56,883 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-27 03:59:56,883 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-27 03:59:57,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-27 03:59:57,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-27 03:59:57,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-27 03:59:57,196 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-27 03:59:57,196 INFO L274 PluginConnector]: CDTParser initialized [2024-08-27 03:59:57,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-lamport.wvr.c [2024-08-27 03:59:58,658 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-27 03:59:58,936 INFO L384 CDTParser]: Found 1 translation units. [2024-08-27 03:59:58,936 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-lamport.wvr.c [2024-08-27 03:59:58,953 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0b2f43849/51ad74e0acab41e596398a5d247cc0c4/FLAGd25c65c09 [2024-08-27 03:59:58,976 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0b2f43849/51ad74e0acab41e596398a5d247cc0c4 [2024-08-27 03:59:58,979 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-27 03:59:58,980 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-27 03:59:58,982 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/parallel-lamport.wvr.yml/witness.yml [2024-08-27 03:59:59,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-27 03:59:59,073 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-27 03:59:59,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-27 03:59:59,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-27 03:59:59,081 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-27 03:59:59,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:59:58" (1/2) ... [2024-08-27 03:59:59,083 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb1f6c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:59, skipping insertion in model container [2024-08-27 03:59:59,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:59:58" (1/2) ... [2024-08-27 03:59:59,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7913c156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:59, skipping insertion in model container [2024-08-27 03:59:59,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 03:59:59" (2/2) ... [2024-08-27 03:59:59,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb1f6c0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 03:59:59, skipping insertion in model container [2024-08-27 03:59:59,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 03:59:59" (2/2) ... [2024-08-27 03:59:59,086 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-27 03:59:59,111 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-27 03:59:59,112 INFO L1541 ArrayList]: Location invariant before [L156-L156] (((! multithreaded || -2147483647 <= n2) && (! multithreaded || -2147483647 <= n1)) && (! multithreaded || ((((((((((((((((-1LL + (long long )e1) + (long long )n >= 0LL && (-1LL + (long long )e2) + (long long )n >= 0LL) && (2147483646LL + (long long )n) + (long long )n1 >= 0LL) && (2147483646LL + (long long )n) + (long long )n2 >= 0LL) && (2147483647LL + (long long )n) + (long long )tmp1 >= 0LL) && (2147483647LL + (long long )n) + (long long )tmp2 >= 0LL) && (0LL - (long long )e1) + (long long )n >= 0LL) && (0LL - (long long )e2) + (long long )n >= 0LL) && (3221225470LL - (long long )n) + (long long )n1 >= 0LL) && (3221225470LL - (long long )n) + (long long )n2 >= 0LL) && (3221225471LL - (long long )n) + (long long )tmp1 >= 0LL) && (3221225471LL - (long long )n) + (long long )tmp2 >= 0LL) && (1073741823LL + (long long )e1) - (long long )n >= 0LL) && (1073741823LL + (long long )e2) - (long long )n >= 0LL) && (1073741824LL - (long long )e1) - (long long )n >= 0LL) && (1073741824LL - (long long )e2) - (long long )n >= 0LL))) && (! multithreaded || (-2147483647 <= n1 && -2147483647 <= n2)) [2024-08-27 03:59:59,113 INFO L1541 ArrayList]: Location invariant before [L155-L155] (((! multithreaded || -2147483647 <= n2) && (! multithreaded || -2147483647 <= n1)) && (! multithreaded || ((((((((((((((((-1LL + (long long )e1) + (long long )n >= 0LL && (-1LL + (long long )e2) + (long long )n >= 0LL) && (2147483646LL + (long long )n) + (long long )n1 >= 0LL) && (2147483646LL + (long long )n) + (long long )n2 >= 0LL) && (2147483647LL + (long long )n) + (long long )tmp1 >= 0LL) && (2147483647LL + (long long )n) + (long long )tmp2 >= 0LL) && (0LL - (long long )e1) + (long long )n >= 0LL) && (0LL - (long long )e2) + (long long )n >= 0LL) && (3221225470LL - (long long )n) + (long long )n1 >= 0LL) && (3221225470LL - (long long )n) + (long long )n2 >= 0LL) && (3221225471LL - (long long )n) + (long long )tmp1 >= 0LL) && (3221225471LL - (long long )n) + (long long )tmp2 >= 0LL) && (1073741823LL + (long long )e1) - (long long )n >= 0LL) && (1073741823LL + (long long )e2) - (long long )n >= 0LL) && (1073741824LL - (long long )e1) - (long long )n >= 0LL) && (1073741824LL - (long long )e2) - (long long )n >= 0LL))) && (! multithreaded || (-2147483647 <= n1 && -2147483647 <= n2)) [2024-08-27 03:59:59,113 INFO L1541 ArrayList]: Location invariant before [L154-L154] (((! multithreaded || -2147483647 <= n2) && (! multithreaded || -2147483647 <= n1)) && (! multithreaded || ((((((((((((((((-1LL + (long long )e1) + (long long )n >= 0LL && (-1LL + (long long )e2) + (long long )n >= 0LL) && (2147483646LL + (long long )n) + (long long )n1 >= 0LL) && (2147483646LL + (long long )n) + (long long )n2 >= 0LL) && (2147483647LL + (long long )n) + (long long )tmp1 >= 0LL) && (2147483647LL + (long long )n) + (long long )tmp2 >= 0LL) && (0LL - (long long )e1) + (long long )n >= 0LL) && (0LL - (long long )e2) + (long long )n >= 0LL) && (3221225470LL - (long long )n) + (long long )n1 >= 0LL) && (3221225470LL - (long long )n) + (long long )n2 >= 0LL) && (3221225471LL - (long long )n) + (long long )tmp1 >= 0LL) && (3221225471LL - (long long )n) + (long long )tmp2 >= 0LL) && (1073741823LL + (long long )e1) - (long long )n >= 0LL) && (1073741823LL + (long long )e2) - (long long )n >= 0LL) && (1073741824LL - (long long )e1) - (long long )n >= 0LL) && (1073741824LL - (long long )e2) - (long long )n >= 0LL))) && (! multithreaded || (-2147483647 <= n1 && -2147483647 <= n2)) [2024-08-27 03:59:59,113 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-08-27 03:59:59,113 INFO L1541 ArrayList]: ghost_update [L153-L153] multithreaded = 1; [2024-08-27 03:59:59,141 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-27 03:59:59,358 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/parallel-lamport.wvr.c[4249,4262] [2024-08-27 03:59:59,381 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 03:59:59,393 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-27 03:59:59,475 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/parallel-lamport.wvr.c[4249,4262] [2024-08-27 03:59:59,478 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 03:59:59,501 INFO L206 MainTranslator]: Completed translation [2024-08-27 03:59:59,502 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 03:59:59 WrapperNode [2024-08-27 03:59:59,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-27 03:59:59,503 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-27 03:59:59,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-27 03:59:59,504 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-27 03:59:59,510 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 03:59:59" (1/1) ... [2024-08-27 03:59:59,521 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 03:59:59" (1/1) ... [2024-08-27 03:59:59,570 INFO L138 Inliner]: procedures = 24, calls = 74, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 237 [2024-08-27 03:59:59,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-27 03:59:59,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-27 03:59:59,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-27 03:59:59,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-27 03:59:59,584 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 03:59:59" (1/1) ... [2024-08-27 03:59:59,584 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 03:59:59" (1/1) ... [2024-08-27 03:59:59,592 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 03:59:59" (1/1) ... [2024-08-27 03:59:59,592 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 03:59:59" (1/1) ... [2024-08-27 03:59:59,608 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 03:59:59" (1/1) ... [2024-08-27 03:59:59,615 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 03:59:59" (1/1) ... [2024-08-27 03:59:59,621 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 03:59:59" (1/1) ... [2024-08-27 03:59:59,623 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 03:59:59" (1/1) ... [2024-08-27 03:59:59,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-27 03:59:59,631 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-27 03:59:59,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-27 03:59:59,635 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-27 03:59:59,636 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 03:59:59" (1/1) ... [2024-08-27 03:59:59,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 03:59:59,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 03:59:59,672 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 03:59:59,677 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 03:59:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-27 03:59:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-27 03:59:59,720 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-27 03:59:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-27 03:59:59,720 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-27 03:59:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-27 03:59:59,721 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-27 03:59:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-27 03:59:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-27 03:59:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-27 03:59:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-27 03:59:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-27 03:59:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-27 03:59:59,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-27 03:59:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-27 03:59:59,724 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 03:59:59,843 INFO L242 CfgBuilder]: Building ICFG [2024-08-27 03:59:59,848 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-27 04:00:00,322 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-27 04:00:00,323 INFO L291 CfgBuilder]: Performing block encoding [2024-08-27 04:00:00,633 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-27 04:00:00,635 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-08-27 04:00:00,636 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:00:00 BoogieIcfgContainer [2024-08-27 04:00:00,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-27 04:00:00,640 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-27 04:00:00,640 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-27 04:00:00,644 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-27 04:00:00,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 03:59:58" (1/4) ... [2024-08-27 04:00:00,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@485d8f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 04:00:00, skipping insertion in model container [2024-08-27 04:00:00,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 03:59:59" (2/4) ... [2024-08-27 04:00:00,646 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@485d8f76 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.08 04:00:00, skipping insertion in model container [2024-08-27 04:00:00,646 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 03:59:59" (3/4) ... [2024-08-27 04:00:00,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@485d8f76 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.08 04:00:00, skipping insertion in model container [2024-08-27 04:00:00,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:00:00" (4/4) ... [2024-08-27 04:00:00,649 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-lamport.wvr.c [2024-08-27 04:00:00,670 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-27 04:00:00,670 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-08-27 04:00:00,670 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-27 04:00:00,739 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-08-27 04:00:00,793 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 04:00:00,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-27 04:00:00,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:00:00,797 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 04:00:00,799 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 04:00:00,834 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-27 04:00:00,847 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-27 04:00:00,856 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;@7df84b77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 04:00:00,856 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-08-27 04:00:01,039 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 04:00:01,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:01,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1402049317, now seen corresponding path program 1 times [2024-08-27 04:00:01,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:01,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563447810] [2024-08-27 04:00:01,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:01,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:01,544 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 04:00:01,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:01,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563447810] [2024-08-27 04:00:01,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563447810] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:00:01,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 04:00:01,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-27 04:00:01,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199276855] [2024-08-27 04:00:01,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:00:01,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 04:00:01,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:01,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 04:00:01,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 04:00:01,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:01,578 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:01,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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 04:00:01,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:01,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:01,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-27 04:00:01,630 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 04:00:01,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:01,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1093850759, now seen corresponding path program 1 times [2024-08-27 04:00:01,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:01,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145156246] [2024-08-27 04:00:01,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:01,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:02,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:02,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:02,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145156246] [2024-08-27 04:00:02,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145156246] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:00:02,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846541425] [2024-08-27 04:00:02,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:02,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:02,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:00:02,514 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 04:00:02,516 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 04:00:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:02,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 20 conjunts are in the unsatisfiable core [2024-08-27 04:00:02,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:00:03,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:03,043 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 04:00:03,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:03,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846541425] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 04:00:03,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 04:00:03,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 20 [2024-08-27 04:00:03,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249286823] [2024-08-27 04:00:03,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 04:00:03,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-08-27 04:00:03,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:03,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-08-27 04:00:03,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2024-08-27 04:00:03,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:03,984 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:03,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.7142857142857144) internal successors, (57), 21 states have internal predecessors, (57), 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 04:00:03,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:03,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:04,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:04,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:00:04,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-08-27 04:00:04,497 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,SelfDestructingSolverStorable1 [2024-08-27 04:00:04,498 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 04:00:04,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:04,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1400396709, now seen corresponding path program 2 times [2024-08-27 04:00:04,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:04,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994613722] [2024-08-27 04:00:04,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:04,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:05,180 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:05,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:05,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994613722] [2024-08-27 04:00:05,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994613722] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:00:05,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170007685] [2024-08-27 04:00:05,181 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-27 04:00:05,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:05,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:00:05,184 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 04:00:05,185 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 04:00:05,262 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-27 04:00:05,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 04:00:05,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 17 conjunts are in the unsatisfiable core [2024-08-27 04:00:05,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:00:05,640 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-27 04:00:05,640 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-27 04:00:05,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170007685] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:00:05,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-27 04:00:05,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 15 [2024-08-27 04:00:05,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129374779] [2024-08-27 04:00:05,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:00:05,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-27 04:00:05,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:05,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-27 04:00:05,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2024-08-27 04:00:05,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:05,643 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:05,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 04:00:05,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:05,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:00:05,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:05,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:05,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:05,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:05,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-08-27 04:00:06,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:06,114 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 04:00:06,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:06,115 INFO L85 PathProgramCache]: Analyzing trace with hash 960394258, now seen corresponding path program 1 times [2024-08-27 04:00:06,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:06,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898820231] [2024-08-27 04:00:06,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:06,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:06,990 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:06,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:06,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898820231] [2024-08-27 04:00:06,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898820231] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:00:06,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392561504] [2024-08-27 04:00:06,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:06,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:06,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:00:06,994 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 04:00:06,995 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 04:00:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:07,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 27 conjunts are in the unsatisfiable core [2024-08-27 04:00:07,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:00:07,763 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:07,764 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 04:00:08,941 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-27 04:00:08,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392561504] provided 1 perfect and 1 imperfect interpolant sequences [2024-08-27 04:00:08,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-08-27 04:00:08,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12, 11] total 28 [2024-08-27 04:00:08,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684651766] [2024-08-27 04:00:08,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:00:08,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-27 04:00:08,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:08,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-27 04:00:08,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=699, Unknown=0, NotChecked=0, Total=812 [2024-08-27 04:00:08,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:08,944 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:08,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 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 04:00:08,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:08,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:08,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:08,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:09,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:09,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:09,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:09,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:00:09,324 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 04:00:09,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:09,506 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 04:00:09,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:09,507 INFO L85 PathProgramCache]: Analyzing trace with hash -913593319, now seen corresponding path program 1 times [2024-08-27 04:00:09,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:09,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209237266] [2024-08-27 04:00:09,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:09,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:13,653 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:13,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:13,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209237266] [2024-08-27 04:00:13,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209237266] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:00:13,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688517725] [2024-08-27 04:00:13,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:13,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:13,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:00:13,659 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 04:00:13,663 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 04:00:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:13,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 24 conjunts are in the unsatisfiable core [2024-08-27 04:00:13,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:00:14,074 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-27 04:00:14,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 26 [2024-08-27 04:00:14,085 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-27 04:00:14,085 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 04:00:14,262 INFO L349 Elim1Store]: treesize reduction 10, result has 84.6 percent of original size [2024-08-27 04:00:14,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 74 [2024-08-27 04:00:14,310 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-27 04:00:14,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688517725] provided 1 perfect and 1 imperfect interpolant sequences [2024-08-27 04:00:14,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-08-27 04:00:14,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15, 11] total 26 [2024-08-27 04:00:14,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710083886] [2024-08-27 04:00:14,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:00:14,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-27 04:00:14,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:14,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-27 04:00:14,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=577, Unknown=0, NotChecked=0, Total=650 [2024-08-27 04:00:14,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:14,313 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:14,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 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 04:00:14,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:14,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:14,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:14,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:00:14,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:14,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:14,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:14,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:14,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:14,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:00:14,703 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-08-27 04:00:14,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:14,890 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 04:00:14,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:14,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1382001137, now seen corresponding path program 1 times [2024-08-27 04:00:14,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:14,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197324135] [2024-08-27 04:00:14,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:14,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:15,591 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:15,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:15,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197324135] [2024-08-27 04:00:15,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197324135] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:00:15,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22154036] [2024-08-27 04:00:15,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:15,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:15,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:00:15,594 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 04:00:15,595 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 04:00:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:15,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 28 conjunts are in the unsatisfiable core [2024-08-27 04:00:15,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:00:16,257 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:16,257 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 04:00:17,349 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-27 04:00:17,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22154036] provided 1 perfect and 1 imperfect interpolant sequences [2024-08-27 04:00:17,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-08-27 04:00:17,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12, 12] total 29 [2024-08-27 04:00:17,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986146726] [2024-08-27 04:00:17,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:00:17,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-27 04:00:17,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:17,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-27 04:00:17,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=752, Unknown=0, NotChecked=0, Total=870 [2024-08-27 04:00:17,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:17,352 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:17,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 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 04:00:17,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:17,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:17,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:17,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:17,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:00:17,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:18,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:18,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:18,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:18,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:18,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:00:18,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:18,139 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-08-27 04:00:18,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:18,323 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 04:00:18,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:18,324 INFO L85 PathProgramCache]: Analyzing trace with hash 783577988, now seen corresponding path program 1 times [2024-08-27 04:00:18,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:18,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279165940] [2024-08-27 04:00:18,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:18,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:18,801 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:18,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:18,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279165940] [2024-08-27 04:00:18,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279165940] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:00:18,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170306607] [2024-08-27 04:00:18,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:18,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:18,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:00:18,804 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 04:00:18,806 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 04:00:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:18,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 26 conjunts are in the unsatisfiable core [2024-08-27 04:00:18,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:00:19,284 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:19,284 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 04:00:20,147 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:20,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170306607] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 04:00:20,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 04:00:20,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 29 [2024-08-27 04:00:20,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164262795] [2024-08-27 04:00:20,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 04:00:20,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-08-27 04:00:20,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:20,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-08-27 04:00:20,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=730, Unknown=0, NotChecked=0, Total=930 [2024-08-27 04:00:20,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:20,153 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:20,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 2.0) internal successors, (60), 30 states have internal predecessors, (60), 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 04:00:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:00:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:21,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:21,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:21,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:21,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:21,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:00:21,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:21,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 04:00:21,134 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 04:00:21,318 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,SelfDestructingSolverStorable6 [2024-08-27 04:00:21,319 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 04:00:21,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:21,319 INFO L85 PathProgramCache]: Analyzing trace with hash 549541956, now seen corresponding path program 2 times [2024-08-27 04:00:21,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:21,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746161406] [2024-08-27 04:00:21,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:21,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:22,105 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:22,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:22,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746161406] [2024-08-27 04:00:22,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746161406] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:00:22,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66513213] [2024-08-27 04:00:22,107 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-27 04:00:22,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:22,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:00:22,109 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 04:00:22,110 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 04:00:22,187 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-27 04:00:22,187 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 04:00:22,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 17 conjunts are in the unsatisfiable core [2024-08-27 04:00:22,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:00:22,544 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-08-27 04:00:22,544 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-27 04:00:22,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66513213] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:00:22,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-27 04:00:22,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [16] total 21 [2024-08-27 04:00:22,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126838798] [2024-08-27 04:00:22,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:00:22,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-27 04:00:22,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:22,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-27 04:00:22,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2024-08-27 04:00:22,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:22,546 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:22,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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 04:00:22,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:22,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:22,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:22,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:22,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:00:22,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:22,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 04:00:22,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:23,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:23,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:23,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:23,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:23,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 04:00:23,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:23,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-08-27 04:00:23,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:23,272 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 04:00:23,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:23,273 INFO L85 PathProgramCache]: Analyzing trace with hash 777024985, now seen corresponding path program 2 times [2024-08-27 04:00:23,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:23,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101216246] [2024-08-27 04:00:23,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:23,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:23,459 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-08-27 04:00:23,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:23,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101216246] [2024-08-27 04:00:23,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101216246] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:00:23,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 04:00:23,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-08-27 04:00:23,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201903771] [2024-08-27 04:00:23,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:00:23,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-27 04:00:23,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:23,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-27 04:00:23,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-08-27 04:00:23,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:23,462 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:23,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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 04:00:23,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:23,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:23,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:23,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:23,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:23,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:23,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 04:00:23,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:23,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:23,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:23,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:23,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:23,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:23,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:23,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:23,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 04:00:23,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:23,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:00:23,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-08-27 04:00:23,984 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 04:00:23,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:23,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1828014111, now seen corresponding path program 1 times [2024-08-27 04:00:23,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:23,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414420769] [2024-08-27 04:00:23,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:23,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:24,715 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:24,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:24,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414420769] [2024-08-27 04:00:24,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414420769] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:00:24,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362599086] [2024-08-27 04:00:24,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:24,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:24,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:00:24,719 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 04:00:24,721 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 04:00:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:24,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 38 conjunts are in the unsatisfiable core [2024-08-27 04:00:24,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:00:25,300 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:25,300 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 04:00:26,355 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:26,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362599086] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 04:00:26,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 04:00:26,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 45 [2024-08-27 04:00:26,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835614751] [2024-08-27 04:00:26,356 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 04:00:26,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-08-27 04:00:26,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:26,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-08-27 04:00:26,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=502, Invalid=1660, Unknown=0, NotChecked=0, Total=2162 [2024-08-27 04:00:26,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:26,359 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:26,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 46 states have internal predecessors, (60), 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 04:00:26,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:26,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:26,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:26,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:26,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:26,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:26,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 04:00:26,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:26,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:00:26,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:28,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:28,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:28,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:28,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:28,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:28,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:28,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 04:00:28,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:28,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:00:28,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 04:00:28,311 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 04:00:28,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-08-27 04:00:28,493 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 04:00:28,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:28,494 INFO L85 PathProgramCache]: Analyzing trace with hash 2006315361, now seen corresponding path program 2 times [2024-08-27 04:00:28,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:28,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408406730] [2024-08-27 04:00:28,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:28,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:29,823 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:29,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:29,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408406730] [2024-08-27 04:00:29,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408406730] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:00:29,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409792575] [2024-08-27 04:00:29,823 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-27 04:00:29,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:29,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:00:29,828 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 04:00:29,830 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 04:00:29,914 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-27 04:00:29,915 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 04:00:29,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 17 conjunts are in the unsatisfiable core [2024-08-27 04:00:29,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:00:30,261 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-08-27 04:00:30,262 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-27 04:00:30,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409792575] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:00:30,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-27 04:00:30,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [27] total 32 [2024-08-27 04:00:30,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584888455] [2024-08-27 04:00:30,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:00:30,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-27 04:00:30,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:30,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-27 04:00:30,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1027, Unknown=0, NotChecked=0, Total=1122 [2024-08-27 04:00:30,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:30,264 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:30,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 04:00:30,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:30,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:30,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:30,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:30,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:30,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:30,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 04:00:30,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:30,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:00:30,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 04:00:30,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:30,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:30,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:30,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:30,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:30,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:30,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:30,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 04:00:30,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:30,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:00:30,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 04:00:30,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:30,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-08-27 04:00:30,829 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,SelfDestructingSolverStorable10 [2024-08-27 04:00:30,830 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 04:00:30,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:30,830 INFO L85 PathProgramCache]: Analyzing trace with hash -350923165, now seen corresponding path program 1 times [2024-08-27 04:00:30,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:30,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981901159] [2024-08-27 04:00:30,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:30,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:31,957 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:31,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:31,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981901159] [2024-08-27 04:00:31,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981901159] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:00:31,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363624073] [2024-08-27 04:00:31,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:31,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:31,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:00:31,960 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 04:00:31,962 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 04:00:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:32,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 62 conjunts are in the unsatisfiable core [2024-08-27 04:00:32,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:00:33,208 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:33,208 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 04:00:35,434 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:35,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363624073] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 04:00:35,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 04:00:35,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 78 [2024-08-27 04:00:35,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663464139] [2024-08-27 04:00:35,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 04:00:35,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2024-08-27 04:00:35,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:35,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2024-08-27 04:00:35,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1405, Invalid=4915, Unknown=0, NotChecked=0, Total=6320 [2024-08-27 04:00:35,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:35,439 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:35,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 79 states have (on average 1.1772151898734178) internal successors, (93), 79 states have internal predecessors, (93), 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 04:00:35,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:35,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:35,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:35,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:35,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:35,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:35,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 04:00:35,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:35,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:00:35,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 04:00:35,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:35,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:41,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-27 04:00:41,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:41,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:00:41,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 04:00:41,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:41,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-08-27 04:00:41,901 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-08-27 04:00:42,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:42,084 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 04:00:42,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:42,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1090208611, now seen corresponding path program 2 times [2024-08-27 04:00:42,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:42,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611891826] [2024-08-27 04:00:42,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:42,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:44,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:44,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:44,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611891826] [2024-08-27 04:00:44,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611891826] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:00:44,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234104890] [2024-08-27 04:00:44,845 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-27 04:00:44,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:44,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:00:44,846 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 04:00:44,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-08-27 04:00:44,956 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-27 04:00:44,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 04:00:44,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 16 conjunts are in the unsatisfiable core [2024-08-27 04:00:44,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:00:45,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1081 trivial. 0 not checked. [2024-08-27 04:00:45,448 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-27 04:00:45,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234104890] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:00:45,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-27 04:00:45,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [50] total 54 [2024-08-27 04:00:45,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417490486] [2024-08-27 04:00:45,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:00:45,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-27 04:00:45,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:45,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-27 04:00:45,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=2953, Unknown=0, NotChecked=0, Total=3080 [2024-08-27 04:00:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:45,451 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:45,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 04:00:45,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:45,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:45,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:45,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:45,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:45,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:45,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-27 04:00:45,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:45,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:00:45,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 04:00:45,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:45,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-08-27 04:00:45,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:45,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:45,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:45,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:45,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:45,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:45,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:45,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:00:45,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:45,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:45,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 04:00:45,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:45,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-08-27 04:00:45,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:00:45,959 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-08-27 04:00:46,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-08-27 04:00:46,147 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 04:00:46,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:46,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1892641298, now seen corresponding path program 2 times [2024-08-27 04:00:46,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:46,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428252707] [2024-08-27 04:00:46,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:46,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:46,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1081 trivial. 0 not checked. [2024-08-27 04:00:46,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:46,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428252707] [2024-08-27 04:00:46,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428252707] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:00:46,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 04:00:46,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-27 04:00:46,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120031037] [2024-08-27 04:00:46,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:00:46,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 04:00:46,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:46,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 04:00:46,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 04:00:46,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:46,284 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:46,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 04:00:46,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:46,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:46,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:46,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:46,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:46,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:46,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:00:46,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:46,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:46,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 04:00:46,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:46,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-08-27 04:00:46,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:00:46,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:46,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:46,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:46,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:46,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:46,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:46,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:46,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:00:46,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:46,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:46,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 04:00:46,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:46,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-08-27 04:00:46,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:00:46,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:46,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-08-27 04:00:46,468 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 04:00:46,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:46,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1902122864, now seen corresponding path program 3 times [2024-08-27 04:00:46,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:46,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812694580] [2024-08-27 04:00:46,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:46,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:49,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:49,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:49,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812694580] [2024-08-27 04:00:49,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812694580] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:00:49,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618406816] [2024-08-27 04:00:49,426 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-27 04:00:49,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:49,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:00:49,428 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 04:00:49,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-08-27 04:00:49,563 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-08-27 04:00:49,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 04:00:49,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 14 conjunts are in the unsatisfiable core [2024-08-27 04:00:49,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:00:50,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1081 trivial. 0 not checked. [2024-08-27 04:00:50,731 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-27 04:00:50,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618406816] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:00:50,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-27 04:00:50,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [54] total 63 [2024-08-27 04:00:50,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259512494] [2024-08-27 04:00:50,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:00:50,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-08-27 04:00:50,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:50,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-08-27 04:00:50,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=3931, Unknown=0, NotChecked=0, Total=4160 [2024-08-27 04:00:50,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:50,734 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:50,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 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 04:00:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:00:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 04:00:50,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:50,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-08-27 04:00:50,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:00:50,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:50,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:51,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:51,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:51,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:51,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:51,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:00:51,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:51,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:51,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 04:00:51,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:51,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-08-27 04:00:51,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:00:51,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:51,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-27 04:00:51,133 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-08-27 04:00:51,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-08-27 04:00:51,321 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 04:00:51,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:51,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1240475119, now seen corresponding path program 2 times [2024-08-27 04:00:51,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:51,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85449526] [2024-08-27 04:00:51,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:51,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:54,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:54,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:54,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85449526] [2024-08-27 04:00:54,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85449526] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:00:54,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150120690] [2024-08-27 04:00:54,242 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-27 04:00:54,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:54,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:00:54,244 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 04:00:54,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-08-27 04:00:54,386 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-27 04:00:54,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 04:00:54,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 14 conjunts are in the unsatisfiable core [2024-08-27 04:00:54,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:00:55,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1081 trivial. 0 not checked. [2024-08-27 04:00:55,357 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-27 04:00:55,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150120690] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:00:55,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-27 04:00:55,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [54] total 63 [2024-08-27 04:00:55,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708953005] [2024-08-27 04:00:55,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:00:55,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-08-27 04:00:55,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:55,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-08-27 04:00:55,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=3935, Unknown=0, NotChecked=0, Total=4160 [2024-08-27 04:00:55,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:55,360 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:55,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 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 04:00:55,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:55,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:55,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:55,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:55,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:55,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:55,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:00:55,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:55,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:55,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 04:00:55,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:55,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-08-27 04:00:55,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:00:55,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:55,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-27 04:00:55,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:55,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:55,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:55,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:55,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:55,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:55,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:55,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:00:55,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:55,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:55,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 04:00:55,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:55,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-08-27 04:00:55,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:00:55,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:55,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-27 04:00:55,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:00:55,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-08-27 04:00:56,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-08-27 04:00:56,063 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 04:00:56,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:56,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1672826863, now seen corresponding path program 1 times [2024-08-27 04:00:56,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:56,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226395692] [2024-08-27 04:00:56,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:56,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:56,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1081 trivial. 0 not checked. [2024-08-27 04:00:56,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:56,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226395692] [2024-08-27 04:00:56,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226395692] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:00:56,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 04:00:56,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-08-27 04:00:56,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617160075] [2024-08-27 04:00:56,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:00:56,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-27 04:00:56,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:56,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-27 04:00:56,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-08-27 04:00:56,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:56,305 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:56,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 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 04:00:56,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:56,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:56,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:56,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:56,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:56,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:56,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:00:56,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:56,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:56,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 04:00:56,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:56,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-08-27 04:00:56,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:00:56,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:56,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-27 04:00:56,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:00:56,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:56,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:56,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:56,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:56,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:56,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:56,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:56,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:00:56,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:56,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:00:56,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 04:00:56,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:00:56,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-08-27 04:00:56,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:00:56,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:56,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-08-27 04:00:56,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:00:56,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:00:56,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-08-27 04:00:56,647 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 04:00:56,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:56,648 INFO L85 PathProgramCache]: Analyzing trace with hash -387989266, now seen corresponding path program 1 times [2024-08-27 04:00:56,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:56,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864452070] [2024-08-27 04:00:56,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:56,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:59,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:59,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:59,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864452070] [2024-08-27 04:00:59,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864452070] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:00:59,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746555298] [2024-08-27 04:00:59,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:59,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:59,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:00:59,201 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 04:00:59,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-08-27 04:00:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:59,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 112 conjunts are in the unsatisfiable core [2024-08-27 04:00:59,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:01:02,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:01:02,868 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 04:01:04,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1081 trivial. 0 not checked. [2024-08-27 04:01:04,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746555298] provided 1 perfect and 1 imperfect interpolant sequences [2024-08-27 04:01:04,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-08-27 04:01:04,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [54, 56] total 119 [2024-08-27 04:01:04,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262144520] [2024-08-27 04:01:04,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:01:04,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-08-27 04:01:04,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:01:04,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-08-27 04:01:04,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=401, Invalid=13879, Unknown=0, NotChecked=0, Total=14280 [2024-08-27 04:01:04,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:01:04,578 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:01:04,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.7) internal successors, (27), 11 states have internal predecessors, (27), 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 04:01:04,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:01:04,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:01:04,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:01:04,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:01:04,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:01:04,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:01:04,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:01:04,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:01:04,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:01:04,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 04:01:04,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:01:04,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-08-27 04:01:04,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:01:04,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:01:04,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-08-27 04:01:04,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:01:04,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:01:04,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:01:05,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:01:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:01:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:01:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:01:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:01:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:01:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:01:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:01:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:01:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 04:01:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:01:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-08-27 04:01:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:01:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:01:05,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:01:05,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:01:05,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:01:05,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:01:05,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-08-27 04:01:05,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-08-27 04:01:05,892 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 04:01:05,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:01:05,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1616397437, now seen corresponding path program 3 times [2024-08-27 04:01:05,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:01:05,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837617122] [2024-08-27 04:01:05,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:01:05,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:01:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:01:06,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1081 trivial. 0 not checked. [2024-08-27 04:01:06,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:01:06,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837617122] [2024-08-27 04:01:06,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837617122] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:01:06,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 04:01:06,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-27 04:01:06,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534409618] [2024-08-27 04:01:06,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:01:06,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 04:01:06,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:01:06,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 04:01:06,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 04:01:06,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:01:06,048 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:01:06,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 04:01:06,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:01:06,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:01:06,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:01:06,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:01:06,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:01:06,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:01:06,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:01:06,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:01:06,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:01:06,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 04:01:06,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:01:06,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-08-27 04:01:06,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:01:06,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:01:06,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:01:06,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:01:06,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:01:06,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:01:06,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:01:06,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:01:06,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:01:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:01:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:01:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:01:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:01:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:01:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:01:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:01:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 04:01:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:01:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-08-27 04:01:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:01:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:01:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:01:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:01:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:01:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 04:01:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:01:06,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-08-27 04:01:06,676 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 04:01:06,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:01:06,676 INFO L85 PathProgramCache]: Analyzing trace with hash 312261696, now seen corresponding path program 1 times [2024-08-27 04:01:06,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:01:06,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216248640] [2024-08-27 04:01:06,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:01:06,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:01:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:01:09,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:01:09,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:01:09,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216248640] [2024-08-27 04:01:09,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216248640] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:01:09,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196228201] [2024-08-27 04:01:09,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:01:09,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:01:09,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:01:09,244 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 04:01:09,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-08-27 04:01:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:01:09,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 110 conjunts are in the unsatisfiable core [2024-08-27 04:01:09,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:01:13,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:01:13,172 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 04:01:20,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:01:20,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [196228201] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 04:01:20,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 04:01:20,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 147 [2024-08-27 04:01:20,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822054898] [2024-08-27 04:01:20,596 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 04:01:20,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 149 states [2024-08-27 04:01:20,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:01:20,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2024-08-27 04:01:20,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4960, Invalid=17092, Unknown=0, NotChecked=0, Total=22052 [2024-08-27 04:01:20,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:01:20,603 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:01:20,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 149 states, 148 states have (on average 1.0945945945945945) internal successors, (162), 148 states have internal predecessors, (162), 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 04:01:20,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:01:20,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:01:20,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:01:20,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:01:20,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:01:20,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:01:20,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:01:20,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:01:20,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:01:20,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 04:01:20,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:01:20,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-08-27 04:01:20,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:01:20,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:01:20,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:01:20,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:01:20,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:01:20,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 04:01:20,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:01:20,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:01:54,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:01:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:01:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:01:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:01:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:01:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:01:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:01:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:01:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:01:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 04:01:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:01:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-08-27 04:01:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:01:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:01:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:01:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:01:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:01:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-27 04:01:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:01:54,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-08-27 04:01:54,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-08-27 04:01:54,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:01:54,212 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 04:01:54,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:01:54,212 INFO L85 PathProgramCache]: Analyzing trace with hash -877485504, now seen corresponding path program 2 times [2024-08-27 04:01:54,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:01:54,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517626300] [2024-08-27 04:01:54,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:01:54,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:01:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:02:01,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:02:01,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:02:01,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517626300] [2024-08-27 04:02:01,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517626300] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:02:01,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128906613] [2024-08-27 04:02:01,629 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-27 04:02:01,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:02:01,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:02:01,630 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 04:02:01,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-08-27 04:02:01,852 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-27 04:02:01,852 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 04:02:01,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 17 conjunts are in the unsatisfiable core [2024-08-27 04:02:01,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:02:02,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4465 trivial. 0 not checked. [2024-08-27 04:02:02,677 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-27 04:02:02,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128906613] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:02:02,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-27 04:02:02,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [97] total 100 [2024-08-27 04:02:02,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722065273] [2024-08-27 04:02:02,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:02:02,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-27 04:02:02,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:02:02,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-27 04:02:02,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=10092, Unknown=0, NotChecked=0, Total=10302 [2024-08-27 04:02:02,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:02:02,679 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:02:02,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 04:02:02,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:02:02,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:02:02,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:02:02,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:02:02,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:02:02,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:02:02,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:02:02,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:02:02,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:02:02,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 04:02:02,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:02:02,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-08-27 04:02:02,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:02:02,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:02:02,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:02:02,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:02:02,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:02:02,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-27 04:02:02,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:02:02,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-08-27 04:02:02,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:02:03,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:02:03,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:02:03,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:02:03,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:02:03,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:02:03,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:02:03,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:02:03,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:02:03,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:02:03,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 04:02:03,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:02:03,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-08-27 04:02:03,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:02:03,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:02:03,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:02:03,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:02:03,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:02:03,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-27 04:02:03,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:02:03,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-08-27 04:02:03,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:02:03,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-08-27 04:02:03,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:02:03,294 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 04:02:03,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:02:03,295 INFO L85 PathProgramCache]: Analyzing trace with hash -957548499, now seen corresponding path program 4 times [2024-08-27 04:02:03,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:02:03,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014254640] [2024-08-27 04:02:03,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:02:03,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:02:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:02:03,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4465 trivial. 0 not checked. [2024-08-27 04:02:03,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:02:03,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014254640] [2024-08-27 04:02:03,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014254640] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:02:03,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 04:02:03,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-08-27 04:02:03,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906819033] [2024-08-27 04:02:03,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:02:03,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-27 04:02:03,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:02:03,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-27 04:02:03,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-08-27 04:02:03,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:02:03,548 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:02:03,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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 04:02:03,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:02:03,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:02:03,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:02:03,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:02:03,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:02:03,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:02:03,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:02:03,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:02:03,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:02:03,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-08-27 04:02:03,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:02:03,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-08-27 04:02:03,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:02:03,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:02:03,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:02:03,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:02:03,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:02:03,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-08-27 04:02:03,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:02:03,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-08-27 04:02:03,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:02:03,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:02:03,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:02:03,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:02:03,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:02:03,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:02:03,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:02:03,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:02:03,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:02:03,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:02:03,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:02:03,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-08-27 04:02:03,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-27 04:02:03,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-08-27 04:02:03,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:02:03,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:02:03,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:02:03,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-27 04:02:03,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:02:03,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-27 04:02:03,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:02:03,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-08-27 04:02:03,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:02:03,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-27 04:02:03,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-08-27 04:02:03,889 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-27 04:02:03,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:02:03,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1487294441, now seen corresponding path program 5 times [2024-08-27 04:02:03,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:02:03,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298663329] [2024-08-27 04:02:03,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:02:03,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:02:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat