./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/chl-poker-hand-subst.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee 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/chl-poker-hand-subst.wvr.c ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/chl-poker-hand-subst.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-13 16:47:21,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-13 16:47:21,297 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-13 16:47:21,305 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-13 16:47:21,306 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-13 16:47:21,352 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-13 16:47:21,353 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-13 16:47:21,353 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-13 16:47:21,354 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-13 16:47:21,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-13 16:47:21,358 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-13 16:47:21,358 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-13 16:47:21,359 INFO L153 SettingsManager]: * Use SBE=true [2024-08-13 16:47:21,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-13 16:47:21,360 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-13 16:47:21,361 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-13 16:47:21,361 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-13 16:47:21,361 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-13 16:47:21,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-13 16:47:21,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-13 16:47:21,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-13 16:47:21,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-13 16:47:21,363 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-13 16:47:21,364 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-13 16:47:21,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-13 16:47:21,364 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-13 16:47:21,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-13 16:47:21,365 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-13 16:47:21,366 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-13 16:47:21,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-13 16:47:21,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 16:47:21,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-13 16:47:21,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-13 16:47:21,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-13 16:47:21,368 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-13 16:47:21,368 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-13 16:47:21,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-13 16:47:21,369 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-13 16:47:21,369 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-13 16:47:21,369 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-13 16:47:21,370 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-13 16:47:21,370 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-13 16:47:21,370 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-13 16:47:21,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-13 16:47:21,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-13 16:47:21,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-13 16:47:21,658 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-13 16:47:21,659 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-13 16:47:21,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/chl-poker-hand-subst.wvr.yml/witness.yml [2024-08-13 16:47:21,761 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-13 16:47:21,762 INFO L274 PluginConnector]: CDTParser initialized [2024-08-13 16:47:21,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2024-08-13 16:47:23,148 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-13 16:47:23,380 INFO L384 CDTParser]: Found 1 translation units. [2024-08-13 16:47:23,380 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2024-08-13 16:47:23,395 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f6feb4924/728d07712f9d4ceb8925b51d51a6d36c/FLAGec1629c78 [2024-08-13 16:47:23,724 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f6feb4924/728d07712f9d4ceb8925b51d51a6d36c [2024-08-13 16:47:23,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-13 16:47:23,725 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-13 16:47:23,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-13 16:47:23,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-13 16:47:23,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-13 16:47:23,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 04:47:21" (1/2) ... [2024-08-13 16:47:23,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7042f099 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 04:47:23, skipping insertion in model container [2024-08-13 16:47:23,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 04:47:21" (1/2) ... [2024-08-13 16:47:23,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@384d25f9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 04:47:23, skipping insertion in model container [2024-08-13 16:47:23,733 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 04:47:23" (2/2) ... [2024-08-13 16:47:23,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7042f099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 04:47:23, skipping insertion in model container [2024-08-13 16:47:23,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 04:47:23" (2/2) ... [2024-08-13 16:47:23,734 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-13 16:47:23,756 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-13 16:47:23,758 INFO L97 edCorrectnessWitness]: Location invariant before [L337-L337] ! multithreaded || ((((((((((((((((((((((((((((4294967295LL - (long long )i1_13) + (long long )result_12 >= 0LL && (4294967295LL - (long long )i1_13) + (long long )i2_15 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )result_17 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i1_18 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i2_20 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )result_22 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i1_23 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i2_25 >= 0LL) && (2147483647LL + (long long )break_14) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_16) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_19) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_21) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_24) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_26) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_14) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_16) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_19) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_21) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_24) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_26) - (long long )i1_13 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_12 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_15 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_17 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i1_18 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_20 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_22 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i1_23 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_25 >= 0LL) [2024-08-13 16:47:23,759 INFO L97 edCorrectnessWitness]: Location invariant before [L339-L339] ! multithreaded || ((((((((((((((((((((((((((((4294967295LL - (long long )i1_13) + (long long )result_12 >= 0LL && (4294967295LL - (long long )i1_13) + (long long )i2_15 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )result_17 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i1_18 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i2_20 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )result_22 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i1_23 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i2_25 >= 0LL) && (2147483647LL + (long long )break_14) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_16) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_19) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_21) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_24) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_26) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_14) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_16) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_19) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_21) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_24) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_26) - (long long )i1_13 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_12 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_15 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_17 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i1_18 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_20 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_22 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i1_23 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_25 >= 0LL) [2024-08-13 16:47:23,759 INFO L97 edCorrectnessWitness]: Location invariant before [L338-L338] ! multithreaded || ((((((((((((((((((((((((((((4294967295LL - (long long )i1_13) + (long long )result_12 >= 0LL && (4294967295LL - (long long )i1_13) + (long long )i2_15 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )result_17 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i1_18 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i2_20 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )result_22 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i1_23 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i2_25 >= 0LL) && (2147483647LL + (long long )break_14) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_16) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_19) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_21) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_24) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_26) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_14) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_16) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_19) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_21) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_24) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_26) - (long long )i1_13 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_12 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_15 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_17 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i1_18 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_20 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_22 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i1_23 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_25 >= 0LL) [2024-08-13 16:47:23,759 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-13 16:47:23,761 INFO L106 edCorrectnessWitness]: ghost_update [L336-L336] multithreaded = 1; [2024-08-13 16:47:23,805 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-13 16:47:24,165 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/chl-poker-hand-subst.wvr.c[19288,19301] [2024-08-13 16:47:24,182 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 16:47:24,192 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-13 16:47:24,354 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/chl-poker-hand-subst.wvr.c[19288,19301] [2024-08-13 16:47:24,357 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 16:47:24,383 INFO L206 MainTranslator]: Completed translation [2024-08-13 16:47:24,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 04:47:24 WrapperNode [2024-08-13 16:47:24,384 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-13 16:47:24,385 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-13 16:47:24,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-13 16:47:24,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-13 16:47:24,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 04:47:24" (1/1) ... [2024-08-13 16:47:24,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 04:47:24" (1/1) ... [2024-08-13 16:47:24,533 INFO L138 Inliner]: procedures = 25, calls = 439, calls flagged for inlining = 100, calls inlined = 144, statements flattened = 2396 [2024-08-13 16:47:24,533 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-13 16:47:24,535 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-13 16:47:24,535 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-13 16:47:24,535 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-13 16:47:24,544 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 04:47:24" (1/1) ... [2024-08-13 16:47:24,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 04:47:24" (1/1) ... [2024-08-13 16:47:24,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 04:47:24" (1/1) ... [2024-08-13 16:47:24,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 04:47:24" (1/1) ... [2024-08-13 16:47:24,627 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 04:47:24" (1/1) ... [2024-08-13 16:47:24,657 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 04:47:24" (1/1) ... [2024-08-13 16:47:24,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 04:47:24" (1/1) ... [2024-08-13 16:47:24,683 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 04:47:24" (1/1) ... [2024-08-13 16:47:24,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-13 16:47:24,702 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-13 16:47:24,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-13 16:47:24,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-13 16:47:24,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 04:47:24" (1/1) ... [2024-08-13 16:47:24,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 16:47:24,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 16:47:24,736 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) [2024-08-13 16:47:24,742 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 [2024-08-13 16:47:24,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-13 16:47:24,832 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-13 16:47:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-13 16:47:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-13 16:47:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-13 16:47:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-13 16:47:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-13 16:47:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-13 16:47:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-13 16:47:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-13 16:47:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-13 16:47:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-13 16:47:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-13 16:47:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-13 16:47:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-13 16:47:24,837 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-13 16:47:25,114 INFO L244 CfgBuilder]: Building ICFG [2024-08-13 16:47:25,116 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-13 16:47:27,470 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-13 16:47:27,471 INFO L293 CfgBuilder]: Performing block encoding [2024-08-13 16:47:29,902 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-13 16:47:29,902 INFO L320 CfgBuilder]: Removed 18 assume(true) statements. [2024-08-13 16:47:29,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 04:47:29 BoogieIcfgContainer [2024-08-13 16:47:29,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-13 16:47:29,905 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-13 16:47:29,905 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-13 16:47:29,908 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-13 16:47:29,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 04:47:21" (1/4) ... [2024-08-13 16:47:29,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e08c6a4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.08 04:47:29, skipping insertion in model container [2024-08-13 16:47:29,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 04:47:23" (2/4) ... [2024-08-13 16:47:29,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e08c6a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 04:47:29, skipping insertion in model container [2024-08-13 16:47:29,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 04:47:24" (3/4) ... [2024-08-13 16:47:29,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e08c6a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 04:47:29, skipping insertion in model container [2024-08-13 16:47:29,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 04:47:29" (4/4) ... [2024-08-13 16:47:29,913 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-subst.wvr.c [2024-08-13 16:47:29,933 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-13 16:47:29,933 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-08-13 16:47:29,933 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-13 16:47:30,416 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-08-13 16:47:30,462 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 16:47:30,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-13 16:47:30,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 16:47:30,466 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) [2024-08-13 16:47:30,467 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 [2024-08-13 16:47:30,496 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-13 16:47:30,507 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-13 16:47:30,514 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;@610833f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 16:47:30,516 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-08-13 16:47:30,864 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)] === [2024-08-13 16:47:30,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 16:47:30,868 INFO L85 PathProgramCache]: Analyzing trace with hash 296839161, now seen corresponding path program 1 times [2024-08-13 16:47:30,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 16:47:30,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144675933] [2024-08-13 16:47:30,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 16:47:30,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 16:47:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 16:47:31,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 16:47:31,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 16:47:31,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144675933] [2024-08-13 16:47:31,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144675933] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 16:47:31,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 16:47:31,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-13 16:47:31,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429321195] [2024-08-13 16:47:31,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 16:47:31,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-13 16:47:31,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 16:47:31,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-13 16:47:31,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-13 16:47:31,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:47:31,437 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 16:47:31,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-08-13 16:47:31,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:47:31,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:31,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-13 16:47:31,530 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)] === [2024-08-13 16:47:31,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 16:47:31,531 INFO L85 PathProgramCache]: Analyzing trace with hash -703873397, now seen corresponding path program 1 times [2024-08-13 16:47:31,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 16:47:31,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565488452] [2024-08-13 16:47:31,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 16:47:31,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 16:47:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 16:47:31,866 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-13 16:47:31,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 16:47:31,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565488452] [2024-08-13 16:47:31,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565488452] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 16:47:31,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 16:47:31,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-13 16:47:31,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744260050] [2024-08-13 16:47:31,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 16:47:31,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-13 16:47:31,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 16:47:31,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-13 16:47:31,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-13 16:47:31,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:47:31,871 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 16:47:31,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2024-08-13 16:47:31,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:31,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:47:31,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:31,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:31,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-13 16:47:31,968 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)] === [2024-08-13 16:47:31,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 16:47:31,969 INFO L85 PathProgramCache]: Analyzing trace with hash 207283172, now seen corresponding path program 1 times [2024-08-13 16:47:31,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 16:47:31,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22898819] [2024-08-13 16:47:31,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 16:47:31,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 16:47:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 16:47:32,164 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-13 16:47:32,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 16:47:32,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22898819] [2024-08-13 16:47:32,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22898819] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 16:47:32,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 16:47:32,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-13 16:47:32,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812716906] [2024-08-13 16:47:32,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 16:47:32,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-13 16:47:32,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 16:47:32,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-13 16:47:32,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-13 16:47:32,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:47:32,170 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 16:47:32,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 16:47:32,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:32,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:32,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:47:32,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:32,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:32,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:32,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-13 16:47:32,253 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 16:47:32,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 16:47:32,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1072304699, now seen corresponding path program 1 times [2024-08-13 16:47:32,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 16:47:32,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103552090] [2024-08-13 16:47:32,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 16:47:32,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 16:47:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 16:47:32,474 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-08-13 16:47:32,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 16:47:32,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103552090] [2024-08-13 16:47:32,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103552090] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 16:47:32,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153124725] [2024-08-13 16:47:32,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 16:47:32,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 16:47:32,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 16:47:32,504 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) [2024-08-13 16:47:32,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-13 16:47:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 16:47:33,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2024-08-13 16:47:33,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 16:47:33,139 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-08-13 16:47:33,140 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 16:47:33,169 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-08-13 16:47:33,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153124725] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 16:47:33,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 16:47:33,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2024-08-13 16:47:33,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289101058] [2024-08-13 16:47:33,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 16:47:33,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-13 16:47:33,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 16:47:33,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-13 16:47:33,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-08-13 16:47:33,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:47:33,173 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 16:47:33,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 16:47:33,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:33,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:33,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:33,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:47:33,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:33,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:33,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:33,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 16:47:33,410 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-08-13 16:47:33,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 16:47:33,590 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 16:47:33,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 16:47:33,591 INFO L85 PathProgramCache]: Analyzing trace with hash -233435495, now seen corresponding path program 2 times [2024-08-13 16:47:33,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 16:47:33,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248944735] [2024-08-13 16:47:33,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 16:47:33,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 16:47:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 16:47:34,177 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-08-13 16:47:34,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 16:47:34,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248944735] [2024-08-13 16:47:34,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248944735] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 16:47:34,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1305853979] [2024-08-13 16:47:34,179 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-13 16:47:34,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 16:47:34,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 16:47:34,181 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) [2024-08-13 16:47:34,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-13 16:47:34,771 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-13 16:47:34,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 16:47:34,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 18 conjunts are in the unsatisfiable core [2024-08-13 16:47:34,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 16:47:35,270 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-08-13 16:47:35,270 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-13 16:47:35,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1305853979] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 16:47:35,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-13 16:47:35,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-08-13 16:47:35,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393098449] [2024-08-13 16:47:35,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 16:47:35,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-13 16:47:35,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 16:47:35,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-13 16:47:35,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-08-13 16:47:35,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:47:35,273 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 16:47:35,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2024-08-13 16:47:35,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:35,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:35,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:35,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 16:47:35,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:47:36,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:36,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:36,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:36,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 16:47:36,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 16:47:36,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-08-13 16:47:36,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 16:47:36,521 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 16:47:36,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 16:47:36,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1675202527, now seen corresponding path program 1 times [2024-08-13 16:47:36,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 16:47:36,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311755694] [2024-08-13 16:47:36,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 16:47:36,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 16:47:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 16:47:37,060 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-08-13 16:47:37,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 16:47:37,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311755694] [2024-08-13 16:47:37,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311755694] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 16:47:37,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85586117] [2024-08-13 16:47:37,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 16:47:37,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 16:47:37,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 16:47:37,063 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) [2024-08-13 16:47:37,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-13 16:47:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 16:47:37,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-13 16:47:37,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 16:47:37,771 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-08-13 16:47:37,771 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 16:47:37,857 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-08-13 16:47:37,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85586117] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 16:47:37,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 16:47:37,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 17 [2024-08-13 16:47:37,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580016225] [2024-08-13 16:47:37,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 16:47:37,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-08-13 16:47:37,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 16:47:37,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-08-13 16:47:37,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=166, Unknown=0, NotChecked=0, Total=272 [2024-08-13 16:47:37,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:47:37,862 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 16:47:37,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.588235294117647) internal successors, (78), 17 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 16:47:37,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:37,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:37,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:37,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 16:47:37,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 16:47:37,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:47:38,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:38,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:38,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:38,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 16:47:38,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 16:47:38,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-13 16:47:38,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-08-13 16:47:38,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 16:47:38,429 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 16:47:38,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 16:47:38,429 INFO L85 PathProgramCache]: Analyzing trace with hash 558397750, now seen corresponding path program 2 times [2024-08-13 16:47:38,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 16:47:38,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246431970] [2024-08-13 16:47:38,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 16:47:38,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 16:47:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 16:47:38,950 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-08-13 16:47:38,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 16:47:38,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246431970] [2024-08-13 16:47:38,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246431970] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 16:47:38,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629161268] [2024-08-13 16:47:38,951 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-13 16:47:38,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 16:47:38,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 16:47:38,953 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) [2024-08-13 16:47:38,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-08-13 16:47:39,541 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-13 16:47:39,541 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 16:47:39,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 6 conjunts are in the unsatisfiable core [2024-08-13 16:47:39,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 16:47:39,638 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-08-13 16:47:39,639 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-13 16:47:39,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629161268] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 16:47:39,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-13 16:47:39,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2024-08-13 16:47:39,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958394479] [2024-08-13 16:47:39,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 16:47:39,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-13 16:47:39,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 16:47:39,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-13 16:47:39,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-08-13 16:47:39,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:47:39,641 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 16:47:39,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2024-08-13 16:47:39,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:39,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:39,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:39,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 16:47:39,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 16:47:39,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-13 16:47:39,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:47:39,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:39,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:39,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:39,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 16:47:39,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 16:47:39,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-13 16:47:39,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 16:47:39,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-08-13 16:47:40,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-08-13 16:47:40,052 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 16:47:40,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 16:47:40,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1241406485, now seen corresponding path program 1 times [2024-08-13 16:47:40,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 16:47:40,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918600011] [2024-08-13 16:47:40,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 16:47:40,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 16:47:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 16:47:40,660 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-08-13 16:47:40,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 16:47:40,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918600011] [2024-08-13 16:47:40,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918600011] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 16:47:40,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032354379] [2024-08-13 16:47:40,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 16:47:40,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 16:47:40,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 16:47:40,664 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) [2024-08-13 16:47:40,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-08-13 16:47:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 16:47:41,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 1065 conjuncts, 9 conjunts are in the unsatisfiable core [2024-08-13 16:47:41,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 16:47:41,464 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-08-13 16:47:41,465 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 16:47:41,586 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-08-13 16:47:41,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032354379] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 16:47:41,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 16:47:41,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2024-08-13 16:47:41,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772483690] [2024-08-13 16:47:41,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 16:47:41,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-08-13 16:47:41,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 16:47:41,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-08-13 16:47:41,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=205, Unknown=0, NotChecked=0, Total=380 [2024-08-13 16:47:41,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:47:41,589 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 16:47:41,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.05) internal successors, (81), 20 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 16:47:41,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:41,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:41,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:41,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 16:47:41,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 16:47:41,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-13 16:47:41,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 16:47:41,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:47:42,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:42,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:42,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:42,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 16:47:42,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 16:47:42,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-13 16:47:42,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 16:47:42,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-13 16:47:42,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-08-13 16:47:42,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 16:47:42,238 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)] === [2024-08-13 16:47:42,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 16:47:42,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1026276676, now seen corresponding path program 2 times [2024-08-13 16:47:42,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 16:47:42,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909244562] [2024-08-13 16:47:42,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 16:47:42,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 16:47:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 16:47:43,152 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2024-08-13 16:47:43,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 16:47:43,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909244562] [2024-08-13 16:47:43,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909244562] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 16:47:43,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128088173] [2024-08-13 16:47:43,152 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-13 16:47:43,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 16:47:43,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 16:47:43,155 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) [2024-08-13 16:47:43,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-08-13 16:47:43,871 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-13 16:47:43,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 16:47:43,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 16 conjunts are in the unsatisfiable core [2024-08-13 16:47:43,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 16:47:44,156 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2024-08-13 16:47:44,157 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 16:47:44,459 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2024-08-13 16:47:44,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128088173] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 16:47:44,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 16:47:44,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 41 [2024-08-13 16:47:44,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162185016] [2024-08-13 16:47:44,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 16:47:44,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-08-13 16:47:44,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 16:47:44,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-08-13 16:47:44,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=586, Invalid=1054, Unknown=0, NotChecked=0, Total=1640 [2024-08-13 16:47:44,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:47:44,463 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 16:47:44,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 2.4878048780487805) internal successors, (102), 41 states have internal predecessors, (102), 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) [2024-08-13 16:47:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:44,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:44,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 16:47:44,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 16:47:44,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-13 16:47:44,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 16:47:44,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-13 16:47:44,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:47:44,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:44,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:44,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:44,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 16:47:44,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 16:47:44,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-13 16:47:44,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 16:47:44,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-13 16:47:44,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-08-13 16:47:44,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-08-13 16:47:45,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-08-13 16:47:45,083 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 16:47:45,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 16:47:45,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1980887957, now seen corresponding path program 3 times [2024-08-13 16:47:45,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 16:47:45,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380347197] [2024-08-13 16:47:45,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 16:47:45,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 16:47:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 16:47:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-08-13 16:47:45,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 16:47:45,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380347197] [2024-08-13 16:47:45,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380347197] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 16:47:45,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 16:47:45,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-13 16:47:45,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993268602] [2024-08-13 16:47:45,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 16:47:45,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-13 16:47:45,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 16:47:45,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-13 16:47:45,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-13 16:47:45,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:47:45,804 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 16:47:45,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 16:47:45,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:45,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:45,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:45,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 16:47:45,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 16:47:45,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-13 16:47:45,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 16:47:45,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-13 16:47:45,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-08-13 16:47:45,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:47:46,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:46,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:46,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:46,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 16:47:46,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 16:47:46,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-13 16:47:46,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 16:47:46,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-13 16:47:46,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-08-13 16:47:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:46,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-08-13 16:47:46,004 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 16:47:46,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 16:47:46,005 INFO L85 PathProgramCache]: Analyzing trace with hash -990745867, now seen corresponding path program 1 times [2024-08-13 16:47:46,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 16:47:46,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089624128] [2024-08-13 16:47:46,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 16:47:46,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 16:47:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 16:47:46,732 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-08-13 16:47:46,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 16:47:46,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089624128] [2024-08-13 16:47:46,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089624128] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 16:47:46,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 16:47:46,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-13 16:47:46,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580901758] [2024-08-13 16:47:46,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 16:47:46,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-13 16:47:46,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 16:47:46,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-13 16:47:46,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-13 16:47:46,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:47:46,735 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 16:47:46,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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) [2024-08-13 16:47:46,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:46,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:46,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:46,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 16:47:46,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 16:47:46,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-08-13 16:47:46,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 16:47:46,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-13 16:47:46,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-08-13 16:47:46,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:46,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:47:46,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:46,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:46,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:46,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 16:47:46,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 16:47:46,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-13 16:47:46,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 16:47:46,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-13 16:47:46,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-08-13 16:47:46,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:46,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:47:46,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-08-13 16:47:46,929 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 16:47:46,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 16:47:46,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1251114820, now seen corresponding path program 1 times [2024-08-13 16:47:46,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 16:47:46,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402685671] [2024-08-13 16:47:46,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 16:47:46,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 16:47:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 16:48:02,196 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-08-13 16:48:02,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 16:48:02,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402685671] [2024-08-13 16:48:02,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402685671] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 16:48:02,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017307641] [2024-08-13 16:48:02,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 16:48:02,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 16:48:02,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 16:48:02,199 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) [2024-08-13 16:48:02,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-08-13 16:48:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 16:48:03,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 1309 conjuncts, 40 conjunts are in the unsatisfiable core [2024-08-13 16:48:03,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 16:48:13,188 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-13 16:48:13,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 186 treesize of output 1058 [2024-08-13 16:49:10,768 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-13 16:49:10,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 264 treesize of output 1808 [2024-08-13 16:58:53,298 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-08-13 16:58:53,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2024-08-13 16:58:53,300 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-08-13 16:58:53,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-08-13 16:58:53,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 16:58:53,501 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:604) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:298) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:416) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 77 more [2024-08-13 16:58:53,506 INFO L158 Benchmark]: Toolchain (without parser) took 689780.74ms. Allocated memory was 184.5MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 122.6MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-08-13 16:58:53,506 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 184.5MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 16:58:53,506 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 184.5MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 16:58:53,507 INFO L158 Benchmark]: CACSL2BoogieTranslator took 657.64ms. Allocated memory is still 184.5MB. Free memory was 122.2MB in the beginning and 89.8MB in the end (delta: 32.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-08-13 16:58:53,507 INFO L158 Benchmark]: Boogie Procedure Inliner took 149.40ms. Allocated memory is still 184.5MB. Free memory was 89.8MB in the beginning and 76.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-13 16:58:53,507 INFO L158 Benchmark]: Boogie Preprocessor took 165.74ms. Allocated memory is still 184.5MB. Free memory was 76.8MB in the beginning and 65.2MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-13 16:58:53,507 INFO L158 Benchmark]: RCFGBuilder took 5201.40ms. Allocated memory was 184.5MB in the beginning and 400.6MB in the end (delta: 216.0MB). Free memory was 65.2MB in the beginning and 136.5MB in the end (delta: -71.4MB). Peak memory consumption was 184.6MB. Max. memory is 16.1GB. [2024-08-13 16:58:53,508 INFO L158 Benchmark]: TraceAbstraction took 683600.64ms. Allocated memory was 400.6MB in the beginning and 2.4GB in the end (delta: 2.0GB). Free memory was 136.5MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-08-13 16:58:53,509 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.23ms. Allocated memory is still 184.5MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.97ms. Allocated memory is still 184.5MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 657.64ms. Allocated memory is still 184.5MB. Free memory was 122.2MB in the beginning and 89.8MB in the end (delta: 32.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 149.40ms. Allocated memory is still 184.5MB. Free memory was 89.8MB in the beginning and 76.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 165.74ms. Allocated memory is still 184.5MB. Free memory was 76.8MB in the beginning and 65.2MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 5201.40ms. Allocated memory was 184.5MB in the beginning and 400.6MB in the end (delta: 216.0MB). Free memory was 65.2MB in the beginning and 136.5MB in the end (delta: -71.4MB). Peak memory consumption was 184.6MB. Max. memory is 16.1GB. * TraceAbstraction took 683600.64ms. Allocated memory was 400.6MB in the beginning and 2.4GB in the end (delta: 2.0GB). Free memory was 136.5MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-08-13 16:58:53,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/chl-poker-hand-subst.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-13 16:58:55,844 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-13 16:58:55,928 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-08-13 16:58:55,933 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-13 16:58:55,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-13 16:58:55,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-13 16:58:55,971 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-13 16:58:55,971 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-13 16:58:55,971 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-13 16:58:55,972 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-13 16:58:55,972 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-13 16:58:55,973 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-13 16:58:55,973 INFO L153 SettingsManager]: * Use SBE=true [2024-08-13 16:58:55,975 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-13 16:58:55,976 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-13 16:58:55,976 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-13 16:58:55,976 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-13 16:58:55,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-13 16:58:55,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-13 16:58:55,977 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-13 16:58:55,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-13 16:58:55,977 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-13 16:58:55,978 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-13 16:58:55,978 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-13 16:58:55,978 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-13 16:58:55,979 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-13 16:58:55,979 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-13 16:58:55,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-13 16:58:55,980 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-13 16:58:55,980 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-13 16:58:55,980 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-13 16:58:55,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 16:58:55,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-13 16:58:55,985 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-13 16:58:55,986 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-13 16:58:55,986 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-13 16:58:55,986 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-13 16:58:55,986 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-13 16:58:55,987 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-13 16:58:55,987 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-13 16:58:55,987 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-13 16:58:55,989 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-13 16:58:55,989 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-13 16:58:55,989 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-13 16:58:55,990 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-13 16:58:56,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-13 16:58:56,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-13 16:58:56,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-13 16:58:56,316 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-13 16:58:56,317 INFO L274 PluginConnector]: CDTParser initialized [2024-08-13 16:58:56,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2024-08-13 16:58:57,874 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-13 16:58:58,141 INFO L384 CDTParser]: Found 1 translation units. [2024-08-13 16:58:58,142 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2024-08-13 16:58:58,151 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/24eaf5c19/b58923e138564e0c9499db813f6eec37/FLAGeb1b55b25 [2024-08-13 16:58:58,164 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/24eaf5c19/b58923e138564e0c9499db813f6eec37 [2024-08-13 16:58:58,167 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-13 16:58:58,168 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-13 16:58:58,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/chl-poker-hand-subst.wvr.yml/witness.yml [2024-08-13 16:58:58,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-13 16:58:58,246 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-13 16:58:58,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-13 16:58:58,248 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-13 16:58:58,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-13 16:58:58,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 04:58:58" (1/2) ... [2024-08-13 16:58:58,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ebfb89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 04:58:58, skipping insertion in model container [2024-08-13 16:58:58,254 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 04:58:58" (1/2) ... [2024-08-13 16:58:58,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@65b49704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 04:58:58, skipping insertion in model container [2024-08-13 16:58:58,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 04:58:58" (2/2) ... [2024-08-13 16:58:58,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ebfb89 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 04:58:58, skipping insertion in model container [2024-08-13 16:58:58,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 04:58:58" (2/2) ... [2024-08-13 16:58:58,257 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-13 16:58:58,286 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-13 16:58:58,289 INFO L97 edCorrectnessWitness]: Location invariant before [L338-L338] ! multithreaded || ((((((((((((((((((((((((((((4294967295LL - (long long )i1_13) + (long long )result_12 >= 0LL && (4294967295LL - (long long )i1_13) + (long long )i2_15 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )result_17 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i1_18 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i2_20 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )result_22 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i1_23 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i2_25 >= 0LL) && (2147483647LL + (long long )break_14) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_16) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_19) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_21) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_24) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_26) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_14) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_16) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_19) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_21) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_24) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_26) - (long long )i1_13 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_12 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_15 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_17 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i1_18 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_20 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_22 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i1_23 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_25 >= 0LL) [2024-08-13 16:58:58,289 INFO L97 edCorrectnessWitness]: Location invariant before [L339-L339] ! multithreaded || ((((((((((((((((((((((((((((4294967295LL - (long long )i1_13) + (long long )result_12 >= 0LL && (4294967295LL - (long long )i1_13) + (long long )i2_15 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )result_17 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i1_18 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i2_20 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )result_22 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i1_23 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i2_25 >= 0LL) && (2147483647LL + (long long )break_14) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_16) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_19) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_21) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_24) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_26) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_14) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_16) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_19) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_21) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_24) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_26) - (long long )i1_13 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_12 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_15 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_17 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i1_18 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_20 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_22 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i1_23 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_25 >= 0LL) [2024-08-13 16:58:58,289 INFO L97 edCorrectnessWitness]: Location invariant before [L337-L337] ! multithreaded || ((((((((((((((((((((((((((((4294967295LL - (long long )i1_13) + (long long )result_12 >= 0LL && (4294967295LL - (long long )i1_13) + (long long )i2_15 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )result_17 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i1_18 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i2_20 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )result_22 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i1_23 >= 0LL) && (4294967295LL - (long long )i1_13) + (long long )i2_25 >= 0LL) && (2147483647LL + (long long )break_14) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_16) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_19) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_21) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_24) - (long long )i1_13 >= 0LL) && (2147483647LL + (long long )break_26) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_14) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_16) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_19) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_21) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_24) - (long long )i1_13 >= 0LL) && (2147483648LL - (long long )break_26) - (long long )i1_13 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_12 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_15 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_17 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i1_18 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_20 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )result_22 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i1_23 >= 0LL) && (4294967294LL - (long long )i1_13) - (long long )i2_25 >= 0LL) [2024-08-13 16:58:58,289 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-13 16:58:58,290 INFO L106 edCorrectnessWitness]: ghost_update [L336-L336] multithreaded = 1; [2024-08-13 16:58:58,320 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-13 16:58:58,652 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/chl-poker-hand-subst.wvr.c[19288,19301] [2024-08-13 16:58:58,669 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 16:58:58,684 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-13 16:58:58,882 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/chl-poker-hand-subst.wvr.c[19288,19301] [2024-08-13 16:58:58,885 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 16:58:58,907 INFO L206 MainTranslator]: Completed translation [2024-08-13 16:58:58,907 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 04:58:58 WrapperNode [2024-08-13 16:58:58,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-13 16:58:58,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-13 16:58:58,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-13 16:58:58,909 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-13 16:58:58,917 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 13.08 04:58:58" (1/1) ... [2024-08-13 16:58:58,945 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 13.08 04:58:58" (1/1) ... [2024-08-13 16:58:59,068 INFO L138 Inliner]: procedures = 27, calls = 439, calls flagged for inlining = 100, calls inlined = 144, statements flattened = 2363 [2024-08-13 16:58:59,069 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-13 16:58:59,070 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-13 16:58:59,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-13 16:58:59,070 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-13 16:58:59,084 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 04:58:58" (1/1) ... [2024-08-13 16:58:59,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 04:58:58" (1/1) ... [2024-08-13 16:58:59,100 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 04:58:58" (1/1) ... [2024-08-13 16:58:59,100 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 04:58:58" (1/1) ... [2024-08-13 16:58:59,182 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 04:58:58" (1/1) ... [2024-08-13 16:58:59,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 04:58:58" (1/1) ... [2024-08-13 16:58:59,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 04:58:58" (1/1) ... [2024-08-13 16:58:59,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 04:58:58" (1/1) ... [2024-08-13 16:58:59,263 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-13 16:58:59,264 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-13 16:58:59,264 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-13 16:58:59,264 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-13 16:58:59,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 04:58:58" (1/1) ... [2024-08-13 16:58:59,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 16:58:59,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 16:58:59,301 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) [2024-08-13 16:58:59,305 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 [2024-08-13 16:58:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-13 16:58:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-08-13 16:58:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-08-13 16:58:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-13 16:58:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-13 16:58:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-13 16:58:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-13 16:58:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-13 16:58:59,344 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-13 16:58:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-13 16:58:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-13 16:58:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-13 16:58:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-13 16:58:59,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-13 16:58:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-08-13 16:58:59,348 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-13 16:58:59,596 INFO L244 CfgBuilder]: Building ICFG [2024-08-13 16:58:59,598 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-13 16:59:02,718 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-13 16:59:02,718 INFO L293 CfgBuilder]: Performing block encoding [2024-08-13 16:59:05,286 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-13 16:59:05,286 INFO L320 CfgBuilder]: Removed 18 assume(true) statements. [2024-08-13 16:59:05,287 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 04:59:05 BoogieIcfgContainer [2024-08-13 16:59:05,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-13 16:59:05,292 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-13 16:59:05,293 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-13 16:59:05,296 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-13 16:59:05,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 04:58:58" (1/4) ... [2024-08-13 16:59:05,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6179f858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 04:59:05, skipping insertion in model container [2024-08-13 16:59:05,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 04:58:58" (2/4) ... [2024-08-13 16:59:05,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6179f858 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.08 04:59:05, skipping insertion in model container [2024-08-13 16:59:05,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 04:58:58" (3/4) ... [2024-08-13 16:59:05,299 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6179f858 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.08 04:59:05, skipping insertion in model container [2024-08-13 16:59:05,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 04:59:05" (4/4) ... [2024-08-13 16:59:05,301 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-subst.wvr.c [2024-08-13 16:59:05,322 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-13 16:59:05,322 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-08-13 16:59:05,323 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-13 16:59:05,788 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-08-13 16:59:05,840 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 16:59:05,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-13 16:59:05,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 16:59:05,843 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) [2024-08-13 16:59:05,845 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 [2024-08-13 16:59:05,884 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-13 16:59:05,897 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-13 16:59:05,903 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;@25d596e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 16:59:05,903 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-08-13 16:59:10,957 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)] === [2024-08-13 16:59:10,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 16:59:10,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1549854073, now seen corresponding path program 1 times [2024-08-13 16:59:10,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-13 16:59:10,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1118436863] [2024-08-13 16:59:10,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 16:59:10,976 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 16:59:10,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-13 16:59:10,979 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-13 16:59:10,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-08-13 16:59:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 16:59:11,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 5 conjunts are in the unsatisfiable core [2024-08-13 16:59:11,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 16:59:11,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 16:59:11,665 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-13 16:59:11,666 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-13 16:59:11,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1118436863] [2024-08-13 16:59:11,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1118436863] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 16:59:11,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 16:59:11,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-13 16:59:11,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277689449] [2024-08-13 16:59:11,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 16:59:11,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-13 16:59:11,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-13 16:59:11,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-13 16:59:11,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-13 16:59:11,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:59:11,708 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 16:59:11,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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) [2024-08-13 16:59:11,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:59:11,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:11,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-08-13 16:59:12,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 16:59:12,132 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)] === [2024-08-13 16:59:12,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 16:59:12,133 INFO L85 PathProgramCache]: Analyzing trace with hash 302534921, now seen corresponding path program 1 times [2024-08-13 16:59:12,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-13 16:59:12,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [924092133] [2024-08-13 16:59:12,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 16:59:12,134 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 16:59:12,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-13 16:59:12,138 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-13 16:59:12,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-08-13 16:59:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 16:59:12,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 6 conjunts are in the unsatisfiable core [2024-08-13 16:59:12,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 16:59:12,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-13 16:59:12,649 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 16:59:12,685 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-13 16:59:12,685 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-13 16:59:12,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [924092133] [2024-08-13 16:59:12,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [924092133] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 16:59:12,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-13 16:59:12,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-08-13 16:59:12,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740646555] [2024-08-13 16:59:12,686 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-13 16:59:12,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-13 16:59:12,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-13 16:59:12,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-13 16:59:12,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-08-13 16:59:12,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:59:12,690 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 16:59:12,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 16:59:12,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:12,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:59:13,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:13,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 16:59:13,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-08-13 16:59:13,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 16:59:13,275 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)] === [2024-08-13 16:59:13,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 16:59:13,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1331276473, now seen corresponding path program 1 times [2024-08-13 16:59:13,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-13 16:59:13,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [245685862] [2024-08-13 16:59:13,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 16:59:13,278 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 16:59:13,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-13 16:59:13,281 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-13 16:59:13,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-08-13 16:59:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 16:59:13,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 9 conjunts are in the unsatisfiable core [2024-08-13 16:59:13,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 16:59:13,924 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-08-13 16:59:13,928 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 16:59:14,043 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-08-13 16:59:14,043 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-13 16:59:14,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [245685862] [2024-08-13 16:59:14,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [245685862] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 16:59:14,044 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-13 16:59:14,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-08-13 16:59:14,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805501421] [2024-08-13 16:59:14,044 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-13 16:59:14,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-08-13 16:59:14,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-13 16:59:14,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-08-13 16:59:14,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-08-13 16:59:14,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:59:14,046 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 16:59:14,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 11 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 16:59:14,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:14,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 16:59:14,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:59:15,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:15,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 16:59:15,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-13 16:59:15,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-08-13 16:59:15,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 16:59:15,411 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 16:59:15,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 16:59:15,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1301629988, now seen corresponding path program 2 times [2024-08-13 16:59:15,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-13 16:59:15,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1224858578] [2024-08-13 16:59:15,413 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-13 16:59:15,413 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 16:59:15,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-13 16:59:15,416 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-13 16:59:15,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-08-13 16:59:15,992 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-13 16:59:15,992 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 16:59:15,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 3 conjunts are in the unsatisfiable core [2024-08-13 16:59:16,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 16:59:16,027 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-08-13 16:59:16,027 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-13 16:59:16,028 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-13 16:59:16,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1224858578] [2024-08-13 16:59:16,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1224858578] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 16:59:16,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 16:59:16,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-13 16:59:16,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183108212] [2024-08-13 16:59:16,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 16:59:16,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-13 16:59:16,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-13 16:59:16,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-13 16:59:16,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-13 16:59:16,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:59:16,031 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 16:59:16,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2024-08-13 16:59:16,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:16,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 16:59:16,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-13 16:59:16,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:59:26,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:26,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 16:59:26,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-13 16:59:26,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:26,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-08-13 16:59:26,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 16:59:26,491 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)] === [2024-08-13 16:59:26,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 16:59:26,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1449969365, now seen corresponding path program 1 times [2024-08-13 16:59:26,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-13 16:59:26,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1059702614] [2024-08-13 16:59:26,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 16:59:26,492 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 16:59:26,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-13 16:59:26,494 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-13 16:59:26,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-08-13 16:59:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 16:59:27,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 10 conjunts are in the unsatisfiable core [2024-08-13 16:59:27,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 16:59:27,287 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-08-13 16:59:27,288 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 16:59:27,455 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-08-13 16:59:27,455 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-13 16:59:27,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1059702614] [2024-08-13 16:59:27,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1059702614] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 16:59:27,456 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-13 16:59:27,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-08-13 16:59:27,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597978478] [2024-08-13 16:59:27,456 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-13 16:59:27,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-08-13 16:59:27,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-13 16:59:27,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-08-13 16:59:27,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-08-13 16:59:27,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:59:27,458 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 16:59:27,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.285714285714286) internal successors, (74), 14 states have internal predecessors, (74), 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) [2024-08-13 16:59:27,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:27,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 16:59:27,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-13 16:59:27,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:27,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:59:29,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:29,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 16:59:29,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-13 16:59:29,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:29,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-13 16:59:29,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-08-13 16:59:29,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 16:59:29,813 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 16:59:29,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 16:59:29,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1242021318, now seen corresponding path program 2 times [2024-08-13 16:59:29,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-13 16:59:29,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1619960025] [2024-08-13 16:59:29,814 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-13 16:59:29,814 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 16:59:29,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-13 16:59:29,817 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-13 16:59:29,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-08-13 16:59:31,056 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-13 16:59:31,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 16:59:31,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 17 conjunts are in the unsatisfiable core [2024-08-13 16:59:31,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 16:59:31,294 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2024-08-13 16:59:31,294 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 16:59:31,852 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2024-08-13 16:59:31,853 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-13 16:59:31,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1619960025] [2024-08-13 16:59:31,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1619960025] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 16:59:31,853 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-13 16:59:31,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2024-08-13 16:59:31,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799462078] [2024-08-13 16:59:31,853 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-13 16:59:31,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-08-13 16:59:31,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-13 16:59:31,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-08-13 16:59:31,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=612, Unknown=0, NotChecked=0, Total=756 [2024-08-13 16:59:31,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:59:31,857 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 16:59:31,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.142857142857143) internal successors, (88), 28 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 16:59:31,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:31,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 16:59:31,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-13 16:59:31,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:31,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-13 16:59:31,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:59:34,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:34,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 16:59:34,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-13 16:59:34,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:34,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-13 16:59:34,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-08-13 16:59:34,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-08-13 16:59:34,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 16:59:34,637 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 16:59:34,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 16:59:34,637 INFO L85 PathProgramCache]: Analyzing trace with hash 3267413, now seen corresponding path program 3 times [2024-08-13 16:59:34,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-13 16:59:34,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1499994863] [2024-08-13 16:59:34,638 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-13 16:59:34,638 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 16:59:34,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-13 16:59:34,640 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-13 16:59:34,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-08-13 16:59:35,604 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-08-13 16:59:35,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 16:59:35,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 3 conjunts are in the unsatisfiable core [2024-08-13 16:59:35,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 16:59:35,679 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-08-13 16:59:35,679 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-13 16:59:35,679 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-13 16:59:35,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1499994863] [2024-08-13 16:59:35,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1499994863] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 16:59:35,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 16:59:35,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-13 16:59:35,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522456769] [2024-08-13 16:59:35,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 16:59:35,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-13 16:59:35,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-13 16:59:35,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-13 16:59:35,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-13 16:59:35,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:59:35,683 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 16:59:35,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-13 16:59:35,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:35,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 16:59:35,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-13 16:59:35,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:35,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-13 16:59:35,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-08-13 16:59:35,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:59:36,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:36,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 16:59:36,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-13 16:59:36,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:36,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-13 16:59:36,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-08-13 16:59:36,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:36,472 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-08-13 16:59:36,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 16:59:36,661 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-08-13 16:59:36,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 16:59:36,661 INFO L85 PathProgramCache]: Analyzing trace with hash 2076928819, now seen corresponding path program 1 times [2024-08-13 16:59:36,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-13 16:59:36,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1036623555] [2024-08-13 16:59:36,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 16:59:36,663 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 16:59:36,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-13 16:59:36,664 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-13 16:59:36,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-08-13 16:59:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 16:59:38,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 3 conjunts are in the unsatisfiable core [2024-08-13 16:59:38,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 16:59:38,284 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-08-13 16:59:38,284 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-13 16:59:38,285 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-13 16:59:38,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1036623555] [2024-08-13 16:59:38,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1036623555] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 16:59:38,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 16:59:38,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-13 16:59:38,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584544126] [2024-08-13 16:59:38,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 16:59:38,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-13 16:59:38,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-13 16:59:38,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-13 16:59:38,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-13 16:59:38,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:59:38,289 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 16:59:38,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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) [2024-08-13 16:59:38,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:38,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-13 16:59:38,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-13 16:59:38,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:38,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-13 16:59:38,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-08-13 16:59:38,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:38,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 16:59:39,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:39,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-13 16:59:39,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-13 16:59:39,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:39,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-13 16:59:39,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-08-13 16:59:39,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:39,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-13 16:59:39,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2024-08-13 16:59:39,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 16:59:39,516 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)] === [2024-08-13 16:59:39,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 16:59:39,517 INFO L85 PathProgramCache]: Analyzing trace with hash 2033495620, now seen corresponding path program 1 times [2024-08-13 16:59:39,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-13 16:59:39,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1962088910] [2024-08-13 16:59:39,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 16:59:39,518 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-13 16:59:39,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-13 16:59:39,520 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-13 16:59:39,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-08-13 16:59:41,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 16:59:41,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 38 conjunts are in the unsatisfiable core [2024-08-13 16:59:41,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 16:59:57,067 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-13 16:59:57,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 186 treesize of output 746 [2024-08-13 17:00:07,285 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-13 17:00:07,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 144 treesize of output 380 [2024-08-13 17:00:09,332 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-13 17:00:09,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 209 treesize of output 669 [2024-08-13 17:00:11,793 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-08-13 17:00:11,794 INFO L327 TraceCheckSpWp]: Computing backward predicates... Killed by 15