./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/parallel-parallel-sum-1.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/parallel-parallel-sum-1.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 08:44:38,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 08:44:38,217 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 08:44:38,222 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 08:44:38,223 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 08:44:38,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 08:44:38,248 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 08:44:38,248 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 08:44:38,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 08:44:38,252 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 08:44:38,252 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 08:44:38,253 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 08:44:38,253 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 08:44:38,253 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 08:44:38,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 08:44:38,254 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 08:44:38,254 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 08:44:38,255 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 08:44:38,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 08:44:38,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 08:44:38,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 08:44:38,256 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 08:44:38,257 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 08:44:38,257 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 08:44:38,257 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 08:44:38,257 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 08:44:38,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 08:44:38,257 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 08:44:38,258 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 08:44:38,258 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 08:44:38,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 08:44:38,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 08:44:38,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 08:44:38,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 08:44:38,259 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 08:44:38,259 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 08:44:38,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 08:44:38,259 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 08:44:38,261 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 08:44:38,261 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 08:44:38,261 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 08:44:38,262 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 08:44:38,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 08:44:38,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 08:44:38,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 08:44:38,467 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 08:44:38,467 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 08:44:38,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/parallel-parallel-sum-1.wvr.yml/witness.yml [2024-09-08 08:44:38,540 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 08:44:38,540 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 08:44:38,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c [2024-09-08 08:44:39,909 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 08:44:40,118 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 08:44:40,119 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c [2024-09-08 08:44:40,129 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f02792079/07d16a04d4894783a22e81155ee18d90/FLAG8cffccdc3 [2024-09-08 08:44:40,145 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f02792079/07d16a04d4894783a22e81155ee18d90 [2024-09-08 08:44:40,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 08:44:40,148 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 08:44:40,149 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 08:44:40,149 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 08:44:40,154 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 08:44:40,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 08:44:38" (1/2) ... [2024-09-08 08:44:40,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2954c653 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:44:40, skipping insertion in model container [2024-09-08 08:44:40,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 08:44:38" (1/2) ... [2024-09-08 08:44:40,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@489041a1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:44:40, skipping insertion in model container [2024-09-08 08:44:40,157 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 08:44:40" (2/2) ... [2024-09-08 08:44:40,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2954c653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:44:40, skipping insertion in model container [2024-09-08 08:44:40,157 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 08:44:40" (2/2) ... [2024-09-08 08:44:40,177 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 08:44:40,178 INFO L1541 ArrayList]: Location invariant before [L127-L127] ((! multithreaded || ((((((((((((((((((((((((((((((((((((2147483648LL + (long long )i1) + (long long )n >= 0LL && (2147483648LL + (long long )i2) + (long long )n >= 0LL) && (2147483649LL + (long long )n) + (long long )s1 >= 0LL) && (2147483649LL + (long long )n) + (long long )s2 >= 0LL) && (4294967294LL + (long long )i1) + (long long )i2 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s1 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s2 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s1 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s2 >= 0LL) && (2147483647LL - (long long )i1) + (long long )n >= 0LL) && (2147483647LL - (long long )i2) + (long long )n >= 0LL) && (3221225470LL - (long long )n) + (long long )s1 >= 0LL) && (3221225470LL - (long long )n) + (long long )s2 >= 0LL) && (4294967293LL - (long long )i1) + (long long )i2 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s1 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s2 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s1 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s2 >= 0LL) && (2147483648LL + (long long )n) - (long long )s1 >= 0LL) && (2147483648LL + (long long )n) - (long long )s2 >= 0LL) && (3221225469LL + (long long )i1) - (long long )n >= 0LL) && (3221225469LL + (long long )i2) - (long long )n >= 0LL) && (4294967293LL + (long long )i1) - (long long )i2 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s1 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s2 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s1 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s2 >= 0LL) && (3221225468LL - (long long )i1) - (long long )n >= 0LL) && (3221225468LL - (long long )i2) - (long long )n >= 0LL) && (3221225469LL - (long long )n) - (long long )s1 >= 0LL) && (3221225469LL - (long long )n) - (long long )s2 >= 0LL) && (4294967292LL - (long long )i1) - (long long )i2 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s1 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s2 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s1 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s2 >= 0LL)) && (! multithreaded || n <= 2147483646)) && (! multithreaded || n <= 2147483646) [2024-09-08 08:44:40,178 INFO L1541 ArrayList]: Location invariant before [L129-L129] ((! multithreaded || ((((((((((((((((((((((((((((((((((((2147483648LL + (long long )i1) + (long long )n >= 0LL && (2147483648LL + (long long )i2) + (long long )n >= 0LL) && (2147483649LL + (long long )n) + (long long )s1 >= 0LL) && (2147483649LL + (long long )n) + (long long )s2 >= 0LL) && (4294967294LL + (long long )i1) + (long long )i2 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s1 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s2 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s1 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s2 >= 0LL) && (2147483647LL - (long long )i1) + (long long )n >= 0LL) && (2147483647LL - (long long )i2) + (long long )n >= 0LL) && (3221225470LL - (long long )n) + (long long )s1 >= 0LL) && (3221225470LL - (long long )n) + (long long )s2 >= 0LL) && (4294967293LL - (long long )i1) + (long long )i2 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s1 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s2 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s1 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s2 >= 0LL) && (2147483648LL + (long long )n) - (long long )s1 >= 0LL) && (2147483648LL + (long long )n) - (long long )s2 >= 0LL) && (3221225469LL + (long long )i1) - (long long )n >= 0LL) && (3221225469LL + (long long )i2) - (long long )n >= 0LL) && (4294967293LL + (long long )i1) - (long long )i2 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s1 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s2 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s1 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s2 >= 0LL) && (3221225468LL - (long long )i1) - (long long )n >= 0LL) && (3221225468LL - (long long )i2) - (long long )n >= 0LL) && (3221225469LL - (long long )n) - (long long )s1 >= 0LL) && (3221225469LL - (long long )n) - (long long )s2 >= 0LL) && (4294967292LL - (long long )i1) - (long long )i2 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s1 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s2 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s1 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s2 >= 0LL)) && (! multithreaded || n <= 2147483646)) && (! multithreaded || n <= 2147483646) [2024-09-08 08:44:40,178 INFO L1541 ArrayList]: Location invariant before [L130-L130] ((! multithreaded || ((((((((((((((((((((((((((((((((((((2147483648LL + (long long )i1) + (long long )n >= 0LL && (2147483648LL + (long long )i2) + (long long )n >= 0LL) && (2147483649LL + (long long )n) + (long long )s1 >= 0LL) && (2147483649LL + (long long )n) + (long long )s2 >= 0LL) && (4294967294LL + (long long )i1) + (long long )i2 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s1 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s2 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s1 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s2 >= 0LL) && (2147483647LL - (long long )i1) + (long long )n >= 0LL) && (2147483647LL - (long long )i2) + (long long )n >= 0LL) && (3221225470LL - (long long )n) + (long long )s1 >= 0LL) && (3221225470LL - (long long )n) + (long long )s2 >= 0LL) && (4294967293LL - (long long )i1) + (long long )i2 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s1 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s2 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s1 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s2 >= 0LL) && (2147483648LL + (long long )n) - (long long )s1 >= 0LL) && (2147483648LL + (long long )n) - (long long )s2 >= 0LL) && (3221225469LL + (long long )i1) - (long long )n >= 0LL) && (3221225469LL + (long long )i2) - (long long )n >= 0LL) && (4294967293LL + (long long )i1) - (long long )i2 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s1 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s2 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s1 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s2 >= 0LL) && (3221225468LL - (long long )i1) - (long long )n >= 0LL) && (3221225468LL - (long long )i2) - (long long )n >= 0LL) && (3221225469LL - (long long )n) - (long long )s1 >= 0LL) && (3221225469LL - (long long )n) - (long long )s2 >= 0LL) && (4294967292LL - (long long )i1) - (long long )i2 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s1 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s2 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s1 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s2 >= 0LL)) && (! multithreaded || n <= 2147483646)) && (! multithreaded || n <= 2147483646) [2024-09-08 08:44:40,178 INFO L1541 ArrayList]: Location invariant before [L128-L128] ((! multithreaded || ((((((((((((((((((((((((((((((((((((2147483648LL + (long long )i1) + (long long )n >= 0LL && (2147483648LL + (long long )i2) + (long long )n >= 0LL) && (2147483649LL + (long long )n) + (long long )s1 >= 0LL) && (2147483649LL + (long long )n) + (long long )s2 >= 0LL) && (4294967294LL + (long long )i1) + (long long )i2 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s1 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s2 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s1 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s2 >= 0LL) && (2147483647LL - (long long )i1) + (long long )n >= 0LL) && (2147483647LL - (long long )i2) + (long long )n >= 0LL) && (3221225470LL - (long long )n) + (long long )s1 >= 0LL) && (3221225470LL - (long long )n) + (long long )s2 >= 0LL) && (4294967293LL - (long long )i1) + (long long )i2 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s1 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s2 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s1 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s2 >= 0LL) && (2147483648LL + (long long )n) - (long long )s1 >= 0LL) && (2147483648LL + (long long )n) - (long long )s2 >= 0LL) && (3221225469LL + (long long )i1) - (long long )n >= 0LL) && (3221225469LL + (long long )i2) - (long long )n >= 0LL) && (4294967293LL + (long long )i1) - (long long )i2 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s1 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s2 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s1 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s2 >= 0LL) && (3221225468LL - (long long )i1) - (long long )n >= 0LL) && (3221225468LL - (long long )i2) - (long long )n >= 0LL) && (3221225469LL - (long long )n) - (long long )s1 >= 0LL) && (3221225469LL - (long long )n) - (long long )s2 >= 0LL) && (4294967292LL - (long long )i1) - (long long )i2 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s1 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s2 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s1 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s2 >= 0LL)) && (! multithreaded || n <= 2147483646)) && (! multithreaded || n <= 2147483646) [2024-09-08 08:44:40,179 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 08:44:40,179 INFO L1541 ArrayList]: ghost_update [L126-L126] multithreaded = 1; [2024-09-08 08:44:40,199 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 08:44:40,367 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c[3694,3707] [2024-09-08 08:44:40,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 08:44:40,392 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 08:44:40,521 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c[3694,3707] [2024-09-08 08:44:40,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 08:44:40,554 INFO L204 MainTranslator]: Completed translation [2024-09-08 08:44:40,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:44:40 WrapperNode [2024-09-08 08:44:40,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 08:44:40,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 08:44:40,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 08:44:40,559 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 08:44:40,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:44:40" (1/1) ... [2024-09-08 08:44:40,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:44:40" (1/1) ... [2024-09-08 08:44:40,625 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 18, calls inlined = 24, statements flattened = 306 [2024-09-08 08:44:40,626 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 08:44:40,626 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 08:44:40,626 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 08:44:40,627 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 08:44:40,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:44:40" (1/1) ... [2024-09-08 08:44:40,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:44:40" (1/1) ... [2024-09-08 08:44:40,642 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:44:40" (1/1) ... [2024-09-08 08:44:40,642 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:44:40" (1/1) ... [2024-09-08 08:44:40,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:44:40" (1/1) ... [2024-09-08 08:44:40,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:44:40" (1/1) ... [2024-09-08 08:44:40,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:44:40" (1/1) ... [2024-09-08 08:44:40,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:44:40" (1/1) ... [2024-09-08 08:44:40,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 08:44:40,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 08:44:40,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 08:44:40,681 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 08:44:40,682 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:44:40" (1/1) ... [2024-09-08 08:44:40,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 08:44:40,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:44:40,713 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) [2024-09-08 08:44:40,722 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 [2024-09-08 08:44:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 08:44:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-08 08:44:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-08 08:44:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-08 08:44:40,763 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-08 08:44:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-08 08:44:40,763 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-08 08:44:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-08 08:44:40,763 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-08 08:44:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-09-08 08:44:40,763 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-09-08 08:44:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 08:44:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-08 08:44:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-08 08:44:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-08 08:44:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 08:44:40,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 08:44:40,766 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 08:44:40,889 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 08:44:40,892 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 08:44:41,336 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 08:44:41,337 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 08:44:41,599 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 08:44:41,600 INFO L318 CfgBuilder]: Removed 5 assume(true) statements. [2024-09-08 08:44:41,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 08:44:41 BoogieIcfgContainer [2024-09-08 08:44:41,601 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 08:44:41,603 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 08:44:41,603 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 08:44:41,606 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 08:44:41,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 08:44:38" (1/4) ... [2024-09-08 08:44:41,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@397eb13a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 08:44:41, skipping insertion in model container [2024-09-08 08:44:41,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 08:44:40" (2/4) ... [2024-09-08 08:44:41,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@397eb13a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 08:44:41, skipping insertion in model container [2024-09-08 08:44:41,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:44:40" (3/4) ... [2024-09-08 08:44:41,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@397eb13a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 08:44:41, skipping insertion in model container [2024-09-08 08:44:41,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 08:44:41" (4/4) ... [2024-09-08 08:44:41,608 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1.wvr.c [2024-09-08 08:44:41,623 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 08:44:41,623 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-09-08 08:44:41,623 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 08:44:41,675 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-09-08 08:44:41,705 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 08:44:41,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 08:44:41,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:44:41,711 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) [2024-09-08 08:44:41,723 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 [2024-09-08 08:44:41,747 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 08:44:41,772 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 08:44:41,777 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@4345f7c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 08:44:41,778 INFO L337 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-09-08 08:44:41,879 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:44:41,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:44:41,883 INFO L85 PathProgramCache]: Analyzing trace with hash 328230411, now seen corresponding path program 1 times [2024-09-08 08:44:41,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:44:41,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515150846] [2024-09-08 08:44:41,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:44:41,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:44:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:44:42,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:44:42,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:44:42,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515150846] [2024-09-08 08:44:42,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515150846] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:44:42,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 08:44:42,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 08:44:42,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029926073] [2024-09-08 08:44:42,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:44:42,701 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 08:44:42,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:44:42,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 08:44:42,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-08 08:44:42,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:44:42,724 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:44:42,725 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:44:42,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:44:42,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:42,749 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 08:44:42,749 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:44:42,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:44:42,749 INFO L85 PathProgramCache]: Analyzing trace with hash -364251278, now seen corresponding path program 1 times [2024-09-08 08:44:42,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:44:42,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877623825] [2024-09-08 08:44:42,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:44:42,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:44:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:44:43,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:44:43,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:44:43,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877623825] [2024-09-08 08:44:43,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877623825] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:44:43,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577577393] [2024-09-08 08:44:43,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:44:43,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:44:43,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:44:43,370 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) [2024-09-08 08:44:43,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-08 08:44:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:44:43,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-09-08 08:44:43,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:44:43,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:44:43,655 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:44:44,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:44:44,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577577393] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:44:44,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:44:44,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 9 [2024-09-08 08:44:44,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928798131] [2024-09-08 08:44:44,513 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:44:44,513 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-08 08:44:44,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:44:44,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-08 08:44:44,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-09-08 08:44:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:44:44,515 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:44:44,515 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:44:44,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:44,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:44:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:44,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:44:44,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-09-08 08:44:44,897 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-09-08 08:44:44,898 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:44:44,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:44:44,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1105393717, now seen corresponding path program 2 times [2024-09-08 08:44:44,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:44:44,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490279170] [2024-09-08 08:44:44,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:44:44,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:44:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:44:45,724 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:44:45,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:44:45,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490279170] [2024-09-08 08:44:45,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490279170] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:44:45,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210521167] [2024-09-08 08:44:45,725 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 08:44:45,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:44:45,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:44:45,728 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) [2024-09-08 08:44:45,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-08 08:44:45,797 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-08 08:44:45,798 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:44:45,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-09-08 08:44:45,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:44:45,952 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 08:44:45,953 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 08:44:45,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210521167] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:44:45,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 08:44:45,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 8 [2024-09-08 08:44:45,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836043114] [2024-09-08 08:44:45,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:44:45,956 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 08:44:45,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:44:45,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 08:44:45,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-09-08 08:44:45,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:44:45,956 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:44:45,957 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:44:45,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:45,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:44:45,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:44:46,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:46,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:44:46,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:46,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-09-08 08:44:46,637 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:44:46,638 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:44:46,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:44:46,638 INFO L85 PathProgramCache]: Analyzing trace with hash 520787942, now seen corresponding path program 1 times [2024-09-08 08:44:46,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:44:46,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560329316] [2024-09-08 08:44:46,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:44:46,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:44:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:44:46,804 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-08 08:44:46,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:44:46,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560329316] [2024-09-08 08:44:46,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560329316] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:44:46,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420544741] [2024-09-08 08:44:46,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:44:46,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:44:46,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:44:46,808 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) [2024-09-08 08:44:46,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-08 08:44:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:44:46,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-09-08 08:44:46,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:44:47,076 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 08:44:47,076 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:44:47,160 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 08:44:47,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420544741] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:44:47,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:44:47,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-09-08 08:44:47,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783949621] [2024-09-08 08:44:47,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:44:47,162 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-08 08:44:47,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:44:47,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-08 08:44:47,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-09-08 08:44:47,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:44:47,163 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:44:47,163 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.2) internal successors, (132), 10 states have internal predecessors, (132), 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) [2024-09-08 08:44:47,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:47,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:44:47,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:47,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:44:47,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:47,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:44:47,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:47,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:44:47,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-08 08:44:47,782 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:44:47,783 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:44:47,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:44:47,784 INFO L85 PathProgramCache]: Analyzing trace with hash -177298840, now seen corresponding path program 1 times [2024-09-08 08:44:47,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:44:47,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369598750] [2024-09-08 08:44:47,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:44:47,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:44:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:44:47,940 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 08:44:47,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:44:47,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369598750] [2024-09-08 08:44:47,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369598750] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:44:47,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 08:44:47,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 08:44:47,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120245293] [2024-09-08 08:44:47,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:44:47,942 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 08:44:47,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:44:47,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 08:44:47,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-09-08 08:44:47,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:44:47,945 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:44:47,945 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:44:47,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:47,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:44:47,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:47,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:44:47,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:44:48,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:48,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:44:48,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:48,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:44:48,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:44:48,087 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-08 08:44:48,088 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:44:48,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:44:48,088 INFO L85 PathProgramCache]: Analyzing trace with hash 741304482, now seen corresponding path program 1 times [2024-09-08 08:44:48,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:44:48,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078791190] [2024-09-08 08:44:48,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:44:48,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:44:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:44:48,277 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-08 08:44:48,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:44:48,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078791190] [2024-09-08 08:44:48,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078791190] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:44:48,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304588183] [2024-09-08 08:44:48,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:44:48,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:44:48,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:44:48,281 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) [2024-09-08 08:44:48,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-08 08:44:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:44:48,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-08 08:44:48,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:44:48,563 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-08 08:44:48,564 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:44:48,686 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-08 08:44:48,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304588183] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:44:48,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:44:48,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 19 [2024-09-08 08:44:48,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999924708] [2024-09-08 08:44:48,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:44:48,687 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-09-08 08:44:48,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:44:48,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-09-08 08:44:48,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2024-09-08 08:44:48,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:44:48,688 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:44:48,688 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.2) internal successors, (124), 19 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:44:48,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:48,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:44:48,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:48,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:44:48,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:44:48,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:44:49,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:49,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:44:49,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:49,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:44:49,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:44:49,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:44:49,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-09-08 08:44:49,232 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-09-08 08:44:49,233 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:44:49,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:44:49,236 INFO L85 PathProgramCache]: Analyzing trace with hash -781941358, now seen corresponding path program 2 times [2024-09-08 08:44:49,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:44:49,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844217501] [2024-09-08 08:44:49,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:44:49,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:44:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:44:51,117 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:44:51,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:44:51,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844217501] [2024-09-08 08:44:51,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844217501] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:44:51,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721465490] [2024-09-08 08:44:51,118 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 08:44:51,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:44:51,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:44:51,120 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) [2024-09-08 08:44:51,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-08 08:44:51,235 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 08:44:51,236 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:44:51,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-09-08 08:44:51,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:44:52,026 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 08:44:52,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 15 [2024-09-08 08:44:52,141 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 08:44:52,141 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:44:52,456 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-09-08 08:44:52,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721465490] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:44:52,456 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:44:52,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 6] total 40 [2024-09-08 08:44:52,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126776941] [2024-09-08 08:44:52,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:44:52,457 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-09-08 08:44:52,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:44:52,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-09-08 08:44:52,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=1403, Unknown=0, NotChecked=0, Total=1560 [2024-09-08 08:44:52,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:44:52,459 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:44:52,460 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 4.525) internal successors, (181), 40 states have internal predecessors, (181), 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) [2024-09-08 08:44:52,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:52,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:44:52,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:52,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:44:52,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:44:52,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:44:52,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:44:54,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:54,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:44:54,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:54,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:44:54,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:44:54,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:44:54,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-08 08:44:54,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-09-08 08:44:54,934 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:44:54,934 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:44:54,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:44:54,935 INFO L85 PathProgramCache]: Analyzing trace with hash 22713815, now seen corresponding path program 3 times [2024-09-08 08:44:54,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:44:54,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407594578] [2024-09-08 08:44:54,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:44:54,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:44:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:44:55,315 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 6 proven. 67 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-09-08 08:44:55,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:44:55,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407594578] [2024-09-08 08:44:55,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407594578] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:44:55,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884512492] [2024-09-08 08:44:55,316 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 08:44:55,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:44:55,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:44:55,319 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) [2024-09-08 08:44:55,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-08 08:44:55,434 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-09-08 08:44:55,434 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:44:55,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-09-08 08:44:55,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:44:55,776 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 63 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-09-08 08:44:55,776 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:44:55,960 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 15 proven. 58 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-09-08 08:44:55,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884512492] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:44:55,960 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:44:55,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 26 [2024-09-08 08:44:55,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15564988] [2024-09-08 08:44:55,961 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:44:55,961 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-09-08 08:44:55,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:44:55,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-09-08 08:44:55,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2024-09-08 08:44:55,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:44:55,964 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:44:55,964 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.777777777777778) internal successors, (156), 26 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:44:55,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:55,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:44:55,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:55,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:44:55,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:44:55,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:44:55,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-08 08:44:55,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:44:56,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:56,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:44:56,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:56,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:44:56,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:44:56,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:44:56,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:44:56,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 08:44:56,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-09-08 08:44:56,638 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-09-08 08:44:56,638 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:44:56,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:44:56,639 INFO L85 PathProgramCache]: Analyzing trace with hash 145049543, now seen corresponding path program 4 times [2024-09-08 08:44:56,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:44:56,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418353035] [2024-09-08 08:44:56,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:44:56,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:44:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:44:56,942 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 82 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:44:56,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:44:56,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418353035] [2024-09-08 08:44:56,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418353035] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:44:56,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23846781] [2024-09-08 08:44:56,943 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-08 08:44:56,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:44:56,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:44:56,947 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) [2024-09-08 08:44:56,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-08 08:44:57,037 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-08 08:44:57,037 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:44:57,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-09-08 08:44:57,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:44:57,290 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 3 proven. 79 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-09-08 08:44:57,291 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:44:57,407 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-09-08 08:44:57,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [23846781] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:44:57,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:44:57,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 5] total 26 [2024-09-08 08:44:57,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600477520] [2024-09-08 08:44:57,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:44:57,410 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-09-08 08:44:57,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:44:57,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-09-08 08:44:57,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=553, Unknown=0, NotChecked=0, Total=650 [2024-09-08 08:44:57,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:44:57,411 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:44:57,412 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 7.923076923076923) internal successors, (206), 26 states have internal predecessors, (206), 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) [2024-09-08 08:44:57,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:57,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:44:57,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:57,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:44:57,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:44:57,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:44:57,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:44:57,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 08:44:57,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:44:58,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:58,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:44:58,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:58,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:44:58,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:44:58,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:44:58,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-08 08:44:58,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 08:44:58,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 08:44:58,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-09-08 08:44:59,074 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:44:59,075 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:44:59,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:44:59,075 INFO L85 PathProgramCache]: Analyzing trace with hash -2037835040, now seen corresponding path program 1 times [2024-09-08 08:44:59,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:44:59,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725866006] [2024-09-08 08:44:59,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:44:59,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:44:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:44:59,387 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 10 proven. 73 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-08 08:44:59,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:44:59,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725866006] [2024-09-08 08:44:59,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725866006] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:44:59,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837201143] [2024-09-08 08:44:59,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:44:59,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:44:59,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:44:59,392 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 08:44:59,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-08 08:44:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:44:59,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-09-08 08:44:59,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:44:59,777 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 15 proven. 68 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-08 08:44:59,777 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:44:59,974 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 21 proven. 62 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-08 08:44:59,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837201143] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:44:59,975 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:44:59,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 31 [2024-09-08 08:44:59,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201657990] [2024-09-08 08:44:59,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:44:59,976 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-09-08 08:44:59,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:44:59,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-09-08 08:44:59,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=747, Unknown=0, NotChecked=0, Total=992 [2024-09-08 08:44:59,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:44:59,977 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:44:59,978 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 5.46875) internal successors, (175), 31 states have internal predecessors, (175), 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) [2024-09-08 08:44:59,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:59,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:44:59,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:44:59,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:44:59,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:44:59,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:44:59,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-08 08:44:59,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 08:44:59,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 08:44:59,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:45:00,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:45:00,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:45:00,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:45:00,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:45:00,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:45:00,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:45:00,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-08 08:45:00,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 08:45:00,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 08:45:00,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 08:45:00,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-09-08 08:45:00,648 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-09-08 08:45:00,648 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:45:00,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:45:00,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1303191384, now seen corresponding path program 2 times [2024-09-08 08:45:00,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:45:00,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978048697] [2024-09-08 08:45:00,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:45:00,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:45:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:45:04,096 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:45:04,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:45:04,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978048697] [2024-09-08 08:45:04,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978048697] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:45:04,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502752546] [2024-09-08 08:45:04,097 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 08:45:04,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:45:04,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:45:04,099 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 08:45:04,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-08 08:45:04,226 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 08:45:04,226 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:45:04,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 98 conjuncts are in the unsatisfiable core [2024-09-08 08:45:04,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:45:05,759 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 08:45:05,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 79 treesize of output 19 [2024-09-08 08:45:05,880 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 08:45:05,881 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:45:06,356 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-09-08 08:45:06,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502752546] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:45:06,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:45:06,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28, 6] total 60 [2024-09-08 08:45:06,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107273836] [2024-09-08 08:45:06,360 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:45:06,361 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-09-08 08:45:06,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:45:06,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-09-08 08:45:06,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=298, Invalid=3242, Unknown=0, NotChecked=0, Total=3540 [2024-09-08 08:45:06,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:45:06,363 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:45:06,367 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 3.6166666666666667) internal successors, (217), 60 states have internal predecessors, (217), 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) [2024-09-08 08:45:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:45:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:45:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:45:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:45:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:45:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:45:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-08 08:45:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 08:45:06,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 08:45:06,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 08:45:06,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:45:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:45:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:45:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:45:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:45:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:45:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:45:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-08 08:45:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 08:45:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 08:45:11,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 08:45:11,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-09-08 08:45:11,476 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-09-08 08:45:11,657 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-09-08 08:45:11,657 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:45:11,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:45:11,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1361324949, now seen corresponding path program 1 times [2024-09-08 08:45:11,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:45:11,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142036320] [2024-09-08 08:45:11,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:45:11,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:45:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:45:11,964 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 15 proven. 35 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-09-08 08:45:11,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:45:11,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142036320] [2024-09-08 08:45:11,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142036320] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:45:11,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332805366] [2024-09-08 08:45:11,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:45:11,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:45:11,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:45:11,968 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 08:45:11,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-09-08 08:45:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:45:12,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-09-08 08:45:12,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:45:12,375 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 21 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:45:12,376 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:45:12,633 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 28 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:45:12,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332805366] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:45:12,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:45:12,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15, 15] total 38 [2024-09-08 08:45:12,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838322143] [2024-09-08 08:45:12,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:45:12,634 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-09-08 08:45:12,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:45:12,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-09-08 08:45:12,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=1163, Unknown=0, NotChecked=0, Total=1482 [2024-09-08 08:45:12,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:45:12,635 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:45:12,635 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 5.384615384615385) internal successors, (210), 38 states have internal predecessors, (210), 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) [2024-09-08 08:45:12,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:45:12,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:45:12,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:45:12,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:45:12,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:45:12,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:45:12,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-08 08:45:12,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 08:45:12,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 08:45:12,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 08:45:12,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-09-08 08:45:12,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:45:13,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:45:13,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:45:13,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:45:13,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:45:13,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:45:13,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:45:13,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-08 08:45:13,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 08:45:13,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 08:45:13,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 08:45:13,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-09-08 08:45:13,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:45:13,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-09-08 08:45:13,571 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:45:13,571 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:45:13,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:45:13,572 INFO L85 PathProgramCache]: Analyzing trace with hash 384190733, now seen corresponding path program 2 times [2024-09-08 08:45:13,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:45:13,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95084699] [2024-09-08 08:45:13,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:45:13,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:45:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:45:13,917 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 15 proven. 63 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-09-08 08:45:13,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:45:13,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95084699] [2024-09-08 08:45:13,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95084699] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:45:13,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918511974] [2024-09-08 08:45:13,917 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 08:45:13,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:45:13,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:45:13,919 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 08:45:13,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-09-08 08:45:14,031 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 08:45:14,032 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:45:14,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-09-08 08:45:14,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:45:14,291 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 32 proven. 50 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-09-08 08:45:14,291 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:45:14,421 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 39 proven. 27 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-09-08 08:45:14,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1918511974] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:45:14,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:45:14,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 7] total 29 [2024-09-08 08:45:14,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713163406] [2024-09-08 08:45:14,422 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:45:14,422 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-09-08 08:45:14,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:45:14,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-09-08 08:45:14,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=673, Unknown=0, NotChecked=0, Total=812 [2024-09-08 08:45:14,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:45:14,423 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:45:14,423 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 7.137931034482759) internal successors, (207), 29 states have internal predecessors, (207), 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) [2024-09-08 08:45:14,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:45:14,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:45:14,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:45:14,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:45:14,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:45:14,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:45:14,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-08 08:45:14,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 08:45:14,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 08:45:14,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 08:45:14,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-09-08 08:45:14,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:45:14,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:45:15,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:45:15,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:45:15,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:45:15,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:45:15,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:45:15,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:45:15,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-08 08:45:15,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 08:45:15,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 08:45:15,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 08:45:15,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-09-08 08:45:15,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:45:15,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-09-08 08:45:16,007 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-09-08 08:45:16,194 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-09-08 08:45:16,195 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:45:16,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:45:16,196 INFO L85 PathProgramCache]: Analyzing trace with hash -136255831, now seen corresponding path program 3 times [2024-09-08 08:45:16,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:45:16,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009718934] [2024-09-08 08:45:16,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:45:16,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:45:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:45:19,639 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:45:19,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:45:19,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009718934] [2024-09-08 08:45:19,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009718934] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:45:19,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699403254] [2024-09-08 08:45:19,640 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 08:45:19,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:45:19,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:45:19,641 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 08:45:19,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-09-08 08:45:19,797 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-09-08 08:45:19,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:45:19,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 127 conjuncts are in the unsatisfiable core [2024-09-08 08:45:19,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:45:20,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-09-08 08:45:22,438 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 08:45:22,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 97 treesize of output 301 [2024-09-08 08:45:31,238 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:45:31,238 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:45:33,388 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-09-08 08:45:33,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699403254] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:45:33,388 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:45:33,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 27] total 93 [2024-09-08 08:45:33,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490148281] [2024-09-08 08:45:33,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:45:33,389 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2024-09-08 08:45:33,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:45:33,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2024-09-08 08:45:33,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=746, Invalid=7810, Unknown=0, NotChecked=0, Total=8556 [2024-09-08 08:45:33,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:45:33,392 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:45:33,392 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 2.978494623655914) internal successors, (277), 93 states have internal predecessors, (277), 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) [2024-09-08 08:45:33,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:45:33,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:45:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:45:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:45:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:45:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:45:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-08 08:45:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 08:45:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 08:45:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 08:45:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-09-08 08:45:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:45:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-09-08 08:45:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:45:38,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:45:38,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:45:38,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:45:38,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:45:38,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:45:38,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:45:38,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-08 08:45:38,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 08:45:38,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 08:45:38,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 08:45:38,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-09-08 08:45:38,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:45:38,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-09-08 08:45:38,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-09-08 08:45:38,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-09-08 08:45:39,140 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-09-08 08:45:39,140 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:45:39,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:45:39,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1455949326, now seen corresponding path program 4 times [2024-09-08 08:45:39,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:45:39,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341322607] [2024-09-08 08:45:39,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:45:39,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:45:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:45:39,526 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 21 proven. 159 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-08 08:45:39,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:45:39,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341322607] [2024-09-08 08:45:39,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341322607] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:45:39,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413294443] [2024-09-08 08:45:39,526 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-08 08:45:39,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:45:39,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:45:39,528 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 08:45:39,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-09-08 08:45:39,623 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-08 08:45:39,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:45:39,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-09-08 08:45:39,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:45:39,996 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-09-08 08:45:39,996 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:45:40,151 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 22 proven. 29 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-09-08 08:45:40,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413294443] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:45:40,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:45:40,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 6] total 36 [2024-09-08 08:45:40,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198846152] [2024-09-08 08:45:40,152 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:45:40,153 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-08 08:45:40,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:45:40,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-08 08:45:40,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1095, Unknown=0, NotChecked=0, Total=1260 [2024-09-08 08:45:40,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:45:40,154 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:45:40,154 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 6.861111111111111) internal successors, (247), 36 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:45:40,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:45:40,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:45:40,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:45:40,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:45:40,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:45:40,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:45:40,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-08 08:45:40,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 08:45:40,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-09-08 08:45:40,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 08:45:40,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-09-08 08:45:40,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:45:40,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-09-08 08:45:40,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-09-08 08:45:40,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:45:42,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:45:42,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 08:45:42,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:45:42,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:45:42,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:45:42,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:45:42,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-08 08:45:42,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 08:45:42,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-08 08:45:42,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 08:45:42,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-09-08 08:45:42,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:45:42,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-09-08 08:45:42,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-09-08 08:45:42,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-09-08 08:45:42,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-09-08 08:45:42,927 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-09-08 08:45:42,927 INFO L399 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:45:42,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:45:42,928 INFO L85 PathProgramCache]: Analyzing trace with hash -435612280, now seen corresponding path program 5 times [2024-09-08 08:45:42,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:45:42,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112232227] [2024-09-08 08:45:42,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:45:42,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:45:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:45:48,144 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:45:48,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:45:48,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112232227] [2024-09-08 08:45:48,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112232227] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:45:48,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185430989] [2024-09-08 08:45:48,145 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-08 08:45:48,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:45:48,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:45:48,146 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 08:45:48,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-09-08 08:45:48,334 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-09-08 08:45:48,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:45:48,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 139 conjuncts are in the unsatisfiable core [2024-09-08 08:45:48,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:45:48,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-09-08 08:45:53,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:45:53,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:45:53,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:45:53,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:45:53,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:45:53,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:45:53,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:45:53,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:45:53,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:45:53,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:45:53,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:45:53,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:45:53,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:45:53,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:45:53,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:45:53,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:45:53,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:45:53,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:45:53,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:45:53,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:45:53,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-08 08:45:53,694 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 08:45:53,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 43 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 95 treesize of output 417 [2024-09-08 08:45:57,829 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-09-08 08:48:46,766 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:48:46,767 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:48:52,382 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") [2024-09-08 08:48:52,382 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2024-09-08 08:48:52,384 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-09-08 08:48:52,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-09-08 08:48:52,585 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-09-08 08:48:52,586 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.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:915) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:789) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:377) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:579) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:341) 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:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:410) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:327) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:421) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:307) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:141) 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) ... 46 more [2024-09-08 08:48:52,591 INFO L158 Benchmark]: Toolchain (without parser) took 252443.07ms. Allocated memory was 190.8MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 118.3MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 216.7MB. Max. memory is 16.1GB. [2024-09-08 08:48:52,591 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 190.8MB. Free memory was 149.1MB in the beginning and 148.9MB in the end (delta: 174.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 08:48:52,591 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 190.8MB. Free memory was 164.5MB in the beginning and 164.3MB in the end (delta: 202.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 08:48:52,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.02ms. Allocated memory is still 190.8MB. Free memory was 118.1MB in the beginning and 155.2MB in the end (delta: -37.1MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-09-08 08:48:52,593 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.57ms. Allocated memory is still 190.8MB. Free memory was 155.2MB in the beginning and 152.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 08:48:52,593 INFO L158 Benchmark]: Boogie Preprocessor took 53.92ms. Allocated memory is still 190.8MB. Free memory was 152.2MB in the beginning and 149.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 08:48:52,593 INFO L158 Benchmark]: RCFGBuilder took 919.79ms. Allocated memory is still 190.8MB. Free memory was 149.9MB in the beginning and 140.1MB in the end (delta: 9.9MB). Peak memory consumption was 101.1MB. Max. memory is 16.1GB. [2024-09-08 08:48:52,593 INFO L158 Benchmark]: TraceAbstraction took 250987.31ms. Allocated memory was 190.8MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 140.1MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 236.7MB. Max. memory is 16.1GB. [2024-09-08 08:48:52,595 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 0.18ms. Allocated memory is still 190.8MB. Free memory was 149.1MB in the beginning and 148.9MB in the end (delta: 174.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 190.8MB. Free memory was 164.5MB in the beginning and 164.3MB in the end (delta: 202.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.02ms. Allocated memory is still 190.8MB. Free memory was 118.1MB in the beginning and 155.2MB in the end (delta: -37.1MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.57ms. Allocated memory is still 190.8MB. Free memory was 155.2MB in the beginning and 152.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.92ms. Allocated memory is still 190.8MB. Free memory was 152.2MB in the beginning and 149.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 919.79ms. Allocated memory is still 190.8MB. Free memory was 149.9MB in the beginning and 140.1MB in the end (delta: 9.9MB). Peak memory consumption was 101.1MB. Max. memory is 16.1GB. * TraceAbstraction took 250987.31ms. Allocated memory was 190.8MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 140.1MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 236.7MB. 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. [2024-09-08 08:48:52,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/parallel-parallel-sum-1.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 08:48:54,832 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 08:48:54,893 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-09-08 08:48:54,898 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 08:48:54,900 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 08:48:54,930 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 08:48:54,933 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 08:48:54,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 08:48:54,933 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 08:48:54,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 08:48:54,934 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 08:48:54,934 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 08:48:54,934 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 08:48:54,935 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 08:48:54,935 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 08:48:54,936 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 08:48:54,936 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 08:48:54,937 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 08:48:54,937 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 08:48:54,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 08:48:54,939 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 08:48:54,941 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-08 08:48:54,941 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 08:48:54,941 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-08 08:48:54,941 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 08:48:54,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 08:48:54,942 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 08:48:54,942 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 08:48:54,942 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 08:48:54,942 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 08:48:54,942 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 08:48:54,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 08:48:54,943 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 08:48:54,943 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 08:48:54,943 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 08:48:54,943 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-08 08:48:54,943 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 08:48:54,943 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-08 08:48:54,943 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 08:48:54,943 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 08:48:54,944 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 08:48:54,945 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 08:48:54,946 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-08 08:48:54,946 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 08:48:55,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 08:48:55,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 08:48:55,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 08:48:55,324 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 08:48:55,325 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 08:48:55,326 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c [2024-09-08 08:48:56,764 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 08:48:57,043 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 08:48:57,044 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c [2024-09-08 08:48:57,052 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/14f434c93/64c9e329b1ae4141af4ddc39166515af/FLAGa74114a9a [2024-09-08 08:48:57,366 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/14f434c93/64c9e329b1ae4141af4ddc39166515af [2024-09-08 08:48:57,369 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 08:48:57,370 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 08:48:57,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/parallel-parallel-sum-1.wvr.yml/witness.yml [2024-09-08 08:48:57,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 08:48:57,444 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 08:48:57,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 08:48:57,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 08:48:57,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 08:48:57,451 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 08:48:57" (1/2) ... [2024-09-08 08:48:57,452 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ff3f98c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:48:57, skipping insertion in model container [2024-09-08 08:48:57,452 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 08:48:57" (1/2) ... [2024-09-08 08:48:57,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9c4d9b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:48:57, skipping insertion in model container [2024-09-08 08:48:57,453 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 08:48:57" (2/2) ... [2024-09-08 08:48:57,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ff3f98c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:48:57, skipping insertion in model container [2024-09-08 08:48:57,454 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 08:48:57" (2/2) ... [2024-09-08 08:48:57,468 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 08:48:57,469 INFO L1541 ArrayList]: Location invariant before [L128-L128] ((! multithreaded || ((((((((((((((((((((((((((((((((((((2147483648LL + (long long )i1) + (long long )n >= 0LL && (2147483648LL + (long long )i2) + (long long )n >= 0LL) && (2147483649LL + (long long )n) + (long long )s1 >= 0LL) && (2147483649LL + (long long )n) + (long long )s2 >= 0LL) && (4294967294LL + (long long )i1) + (long long )i2 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s1 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s2 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s1 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s2 >= 0LL) && (2147483647LL - (long long )i1) + (long long )n >= 0LL) && (2147483647LL - (long long )i2) + (long long )n >= 0LL) && (3221225470LL - (long long )n) + (long long )s1 >= 0LL) && (3221225470LL - (long long )n) + (long long )s2 >= 0LL) && (4294967293LL - (long long )i1) + (long long )i2 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s1 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s2 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s1 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s2 >= 0LL) && (2147483648LL + (long long )n) - (long long )s1 >= 0LL) && (2147483648LL + (long long )n) - (long long )s2 >= 0LL) && (3221225469LL + (long long )i1) - (long long )n >= 0LL) && (3221225469LL + (long long )i2) - (long long )n >= 0LL) && (4294967293LL + (long long )i1) - (long long )i2 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s1 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s2 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s1 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s2 >= 0LL) && (3221225468LL - (long long )i1) - (long long )n >= 0LL) && (3221225468LL - (long long )i2) - (long long )n >= 0LL) && (3221225469LL - (long long )n) - (long long )s1 >= 0LL) && (3221225469LL - (long long )n) - (long long )s2 >= 0LL) && (4294967292LL - (long long )i1) - (long long )i2 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s1 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s2 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s1 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s2 >= 0LL)) && (! multithreaded || n <= 2147483646)) && (! multithreaded || n <= 2147483646) [2024-09-08 08:48:57,469 INFO L1541 ArrayList]: Location invariant before [L130-L130] ((! multithreaded || ((((((((((((((((((((((((((((((((((((2147483648LL + (long long )i1) + (long long )n >= 0LL && (2147483648LL + (long long )i2) + (long long )n >= 0LL) && (2147483649LL + (long long )n) + (long long )s1 >= 0LL) && (2147483649LL + (long long )n) + (long long )s2 >= 0LL) && (4294967294LL + (long long )i1) + (long long )i2 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s1 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s2 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s1 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s2 >= 0LL) && (2147483647LL - (long long )i1) + (long long )n >= 0LL) && (2147483647LL - (long long )i2) + (long long )n >= 0LL) && (3221225470LL - (long long )n) + (long long )s1 >= 0LL) && (3221225470LL - (long long )n) + (long long )s2 >= 0LL) && (4294967293LL - (long long )i1) + (long long )i2 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s1 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s2 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s1 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s2 >= 0LL) && (2147483648LL + (long long )n) - (long long )s1 >= 0LL) && (2147483648LL + (long long )n) - (long long )s2 >= 0LL) && (3221225469LL + (long long )i1) - (long long )n >= 0LL) && (3221225469LL + (long long )i2) - (long long )n >= 0LL) && (4294967293LL + (long long )i1) - (long long )i2 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s1 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s2 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s1 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s2 >= 0LL) && (3221225468LL - (long long )i1) - (long long )n >= 0LL) && (3221225468LL - (long long )i2) - (long long )n >= 0LL) && (3221225469LL - (long long )n) - (long long )s1 >= 0LL) && (3221225469LL - (long long )n) - (long long )s2 >= 0LL) && (4294967292LL - (long long )i1) - (long long )i2 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s1 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s2 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s1 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s2 >= 0LL)) && (! multithreaded || n <= 2147483646)) && (! multithreaded || n <= 2147483646) [2024-09-08 08:48:57,469 INFO L1541 ArrayList]: Location invariant before [L127-L127] ((! multithreaded || ((((((((((((((((((((((((((((((((((((2147483648LL + (long long )i1) + (long long )n >= 0LL && (2147483648LL + (long long )i2) + (long long )n >= 0LL) && (2147483649LL + (long long )n) + (long long )s1 >= 0LL) && (2147483649LL + (long long )n) + (long long )s2 >= 0LL) && (4294967294LL + (long long )i1) + (long long )i2 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s1 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s2 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s1 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s2 >= 0LL) && (2147483647LL - (long long )i1) + (long long )n >= 0LL) && (2147483647LL - (long long )i2) + (long long )n >= 0LL) && (3221225470LL - (long long )n) + (long long )s1 >= 0LL) && (3221225470LL - (long long )n) + (long long )s2 >= 0LL) && (4294967293LL - (long long )i1) + (long long )i2 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s1 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s2 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s1 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s2 >= 0LL) && (2147483648LL + (long long )n) - (long long )s1 >= 0LL) && (2147483648LL + (long long )n) - (long long )s2 >= 0LL) && (3221225469LL + (long long )i1) - (long long )n >= 0LL) && (3221225469LL + (long long )i2) - (long long )n >= 0LL) && (4294967293LL + (long long )i1) - (long long )i2 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s1 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s2 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s1 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s2 >= 0LL) && (3221225468LL - (long long )i1) - (long long )n >= 0LL) && (3221225468LL - (long long )i2) - (long long )n >= 0LL) && (3221225469LL - (long long )n) - (long long )s1 >= 0LL) && (3221225469LL - (long long )n) - (long long )s2 >= 0LL) && (4294967292LL - (long long )i1) - (long long )i2 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s1 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s2 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s1 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s2 >= 0LL)) && (! multithreaded || n <= 2147483646)) && (! multithreaded || n <= 2147483646) [2024-09-08 08:48:57,469 INFO L1541 ArrayList]: Location invariant before [L129-L129] ((! multithreaded || ((((((((((((((((((((((((((((((((((((2147483648LL + (long long )i1) + (long long )n >= 0LL && (2147483648LL + (long long )i2) + (long long )n >= 0LL) && (2147483649LL + (long long )n) + (long long )s1 >= 0LL) && (2147483649LL + (long long )n) + (long long )s2 >= 0LL) && (4294967294LL + (long long )i1) + (long long )i2 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s1 >= 0LL) && (4294967295LL + (long long )i1) + (long long )s2 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s1 >= 0LL) && (4294967295LL + (long long )i2) + (long long )s2 >= 0LL) && (2147483647LL - (long long )i1) + (long long )n >= 0LL) && (2147483647LL - (long long )i2) + (long long )n >= 0LL) && (3221225470LL - (long long )n) + (long long )s1 >= 0LL) && (3221225470LL - (long long )n) + (long long )s2 >= 0LL) && (4294967293LL - (long long )i1) + (long long )i2 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s1 >= 0LL) && (4294967294LL - (long long )i1) + (long long )s2 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s1 >= 0LL) && (4294967294LL - (long long )i2) + (long long )s2 >= 0LL) && (2147483648LL + (long long )n) - (long long )s1 >= 0LL) && (2147483648LL + (long long )n) - (long long )s2 >= 0LL) && (3221225469LL + (long long )i1) - (long long )n >= 0LL) && (3221225469LL + (long long )i2) - (long long )n >= 0LL) && (4294967293LL + (long long )i1) - (long long )i2 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s1 >= 0LL) && (4294967294LL + (long long )i1) - (long long )s2 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s1 >= 0LL) && (4294967294LL + (long long )i2) - (long long )s2 >= 0LL) && (3221225468LL - (long long )i1) - (long long )n >= 0LL) && (3221225468LL - (long long )i2) - (long long )n >= 0LL) && (3221225469LL - (long long )n) - (long long )s1 >= 0LL) && (3221225469LL - (long long )n) - (long long )s2 >= 0LL) && (4294967292LL - (long long )i1) - (long long )i2 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s1 >= 0LL) && (4294967293LL - (long long )i1) - (long long )s2 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s1 >= 0LL) && (4294967293LL - (long long )i2) - (long long )s2 >= 0LL)) && (! multithreaded || n <= 2147483646)) && (! multithreaded || n <= 2147483646) [2024-09-08 08:48:57,469 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 08:48:57,469 INFO L1541 ArrayList]: ghost_update [L126-L126] multithreaded = 1; [2024-09-08 08:48:57,487 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 08:48:57,653 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c[3694,3707] [2024-09-08 08:48:57,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 08:48:57,682 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 08:48:57,805 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c[3694,3707] [2024-09-08 08:48:57,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 08:48:57,860 INFO L204 MainTranslator]: Completed translation [2024-09-08 08:48:57,860 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:48:57 WrapperNode [2024-09-08 08:48:57,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 08:48:57,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 08:48:57,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 08:48:57,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 08:48:57,867 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 08.09 08:48:57" (1/1) ... [2024-09-08 08:48:57,878 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 08.09 08:48:57" (1/1) ... [2024-09-08 08:48:57,910 INFO L138 Inliner]: procedures = 28, calls = 48, calls flagged for inlining = 18, calls inlined = 24, statements flattened = 292 [2024-09-08 08:48:57,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 08:48:57,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 08:48:57,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 08:48:57,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 08:48:57,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:48:57" (1/1) ... [2024-09-08 08:48:57,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:48:57" (1/1) ... [2024-09-08 08:48:57,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:48:57" (1/1) ... [2024-09-08 08:48:57,933 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:48:57" (1/1) ... [2024-09-08 08:48:57,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:48:57" (1/1) ... [2024-09-08 08:48:57,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:48:57" (1/1) ... [2024-09-08 08:48:57,965 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:48:57" (1/1) ... [2024-09-08 08:48:57,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:48:57" (1/1) ... [2024-09-08 08:48:57,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 08:48:57,978 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 08:48:57,978 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 08:48:57,978 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 08:48:57,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:48:57" (1/1) ... [2024-09-08 08:48:57,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 08:48:57,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:48:58,013 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) [2024-09-08 08:48:58,022 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 [2024-09-08 08:48:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 08:48:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-08 08:48:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-09-08 08:48:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-08 08:48:58,063 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-08 08:48:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-08 08:48:58,063 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-08 08:48:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-08 08:48:58,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-08 08:48:58,065 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-09-08 08:48:58,065 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-09-08 08:48:58,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-08 08:48:58,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-08 08:48:58,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-08 08:48:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 08:48:58,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 08:48:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-09-08 08:48:58,069 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 08:48:58,189 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 08:48:58,190 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 08:48:59,294 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 08:48:59,294 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 08:48:59,602 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 08:48:59,602 INFO L318 CfgBuilder]: Removed 5 assume(true) statements. [2024-09-08 08:48:59,602 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 08:48:59 BoogieIcfgContainer [2024-09-08 08:48:59,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 08:48:59,604 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 08:48:59,604 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 08:48:59,607 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 08:48:59,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 08:48:57" (1/4) ... [2024-09-08 08:48:59,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27fd053a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 08:48:59, skipping insertion in model container [2024-09-08 08:48:59,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 08:48:57" (2/4) ... [2024-09-08 08:48:59,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27fd053a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 08:48:59, skipping insertion in model container [2024-09-08 08:48:59,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:48:57" (3/4) ... [2024-09-08 08:48:59,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27fd053a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 08:48:59, skipping insertion in model container [2024-09-08 08:48:59,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 08:48:59" (4/4) ... [2024-09-08 08:48:59,611 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1.wvr.c [2024-09-08 08:48:59,626 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 08:48:59,626 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-09-08 08:48:59,626 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 08:48:59,710 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-09-08 08:48:59,746 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 08:48:59,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 08:48:59,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:48:59,749 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) [2024-09-08 08:48:59,750 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 [2024-09-08 08:48:59,782 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 08:48:59,794 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 08:48:59,801 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@477dc34c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 08:48:59,802 INFO L337 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-09-08 08:49:01,238 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:49:01,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:49:01,244 INFO L85 PathProgramCache]: Analyzing trace with hash 419594351, now seen corresponding path program 1 times [2024-09-08 08:49:01,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:49:01,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1424995252] [2024-09-08 08:49:01,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:49:01,258 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 [2024-09-08 08:49:01,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:49:01,284 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) [2024-09-08 08:49:01,291 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 [2024-09-08 08:49:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:49:01,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-08 08:49:01,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:49:01,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:49:01,621 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 08:49:01,621 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:49:01,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1424995252] [2024-09-08 08:49:01,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1424995252] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:49:01,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 08:49:01,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 08:49:01,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897265303] [2024-09-08 08:49:01,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:49:01,627 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 08:49:01,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:49:01,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 08:49:01,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-08 08:49:01,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:49:01,646 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:49:01,646 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:49:01,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:49:01,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:01,833 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 [2024-09-08 08:49:02,028 WARN L456 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 [2024-09-08 08:49:02,029 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:49:02,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:49:02,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1826936462, now seen corresponding path program 1 times [2024-09-08 08:49:02,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:49:02,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1500757511] [2024-09-08 08:49:02,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:49:02,030 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 [2024-09-08 08:49:02,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:49:02,034 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) [2024-09-08 08:49:02,036 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 [2024-09-08 08:49:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:49:02,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-08 08:49:02,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:49:02,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:49:02,351 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:49:18,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:49:18,658 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:49:18,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1500757511] [2024-09-08 08:49:18,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1500757511] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:49:18,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:49:18,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2024-09-08 08:49:18,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640528632] [2024-09-08 08:49:18,659 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:49:18,662 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-08 08:49:18,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:49:18,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-08 08:49:18,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-09-08 08:49:18,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:49:18,664 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:49:18,665 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 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) [2024-09-08 08:49:18,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:18,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:49:19,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:19,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:49:19,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-09-08 08:49:20,091 WARN L456 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 [2024-09-08 08:49:20,092 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:49:20,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:49:20,093 INFO L85 PathProgramCache]: Analyzing trace with hash 778447151, now seen corresponding path program 2 times [2024-09-08 08:49:20,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:49:20,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1965079614] [2024-09-08 08:49:20,093 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 08:49:20,094 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 [2024-09-08 08:49:20,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:49:20,097 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) [2024-09-08 08:49:20,098 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 [2024-09-08 08:49:20,220 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-08 08:49:20,221 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:49:20,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-08 08:49:20,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:49:20,352 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 08:49:20,352 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 08:49:20,353 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:49:20,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1965079614] [2024-09-08 08:49:20,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1965079614] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:49:20,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 08:49:20,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 08:49:20,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306277775] [2024-09-08 08:49:20,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:49:20,353 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 08:49:20,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:49:20,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 08:49:20,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-08 08:49:20,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:49:20,355 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:49:20,355 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:49:20,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:20,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:49:20,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:49:31,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:31,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:49:31,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:31,539 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 [2024-09-08 08:49:31,734 WARN L456 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 [2024-09-08 08:49:31,734 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:49:31,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:49:31,735 INFO L85 PathProgramCache]: Analyzing trace with hash -903625754, now seen corresponding path program 1 times [2024-09-08 08:49:31,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:49:31,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [267049748] [2024-09-08 08:49:31,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:49:31,736 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 [2024-09-08 08:49:31,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:49:31,740 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) [2024-09-08 08:49:31,742 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 [2024-09-08 08:49:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:49:31,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-09-08 08:49:31,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:49:32,161 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 08:49:32,162 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:49:32,262 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 08:49:32,262 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:49:32,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [267049748] [2024-09-08 08:49:32,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [267049748] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:49:32,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:49:32,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2024-09-08 08:49:32,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966270064] [2024-09-08 08:49:32,263 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:49:32,263 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 08:49:32,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:49:32,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 08:49:32,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-09-08 08:49:32,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:49:32,264 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:49:32,264 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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) [2024-09-08 08:49:32,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:32,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:49:32,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:32,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:49:32,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:32,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:49:32,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:32,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:32,834 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 (6)] Ended with exit code 0 [2024-09-08 08:49:33,031 WARN L456 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 [2024-09-08 08:49:33,032 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:49:33,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:49:33,032 INFO L85 PathProgramCache]: Analyzing trace with hash -653248846, now seen corresponding path program 2 times [2024-09-08 08:49:33,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:49:33,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1005789534] [2024-09-08 08:49:33,033 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 08:49:33,033 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 [2024-09-08 08:49:33,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:49:33,034 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) [2024-09-08 08:49:33,036 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 [2024-09-08 08:49:33,194 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 08:49:33,194 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:49:33,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-08 08:49:33,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:49:33,882 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-09-08 08:49:33,882 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:49:34,039 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-09-08 08:49:34,040 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:49:34,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1005789534] [2024-09-08 08:49:34,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1005789534] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:49:34,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:49:34,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-09-08 08:49:34,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639318476] [2024-09-08 08:49:34,041 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:49:34,041 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-08 08:49:34,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:49:34,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-08 08:49:34,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-09-08 08:49:34,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:49:34,046 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:49:34,046 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 9 states have internal predecessors, (91), 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) [2024-09-08 08:49:34,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:34,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:49:34,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:34,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:34,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:49:36,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:36,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:49:36,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:36,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:36,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:36,426 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 [2024-09-08 08:49:36,622 WARN L456 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 [2024-09-08 08:49:36,623 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:49:36,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:49:36,626 INFO L85 PathProgramCache]: Analyzing trace with hash -670783640, now seen corresponding path program 1 times [2024-09-08 08:49:36,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:49:36,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [143177695] [2024-09-08 08:49:36,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:49:36,626 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 [2024-09-08 08:49:36,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:49:36,629 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) [2024-09-08 08:49:36,630 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 [2024-09-08 08:49:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:49:36,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-09-08 08:49:36,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:49:37,202 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 08:49:37,202 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:49:37,342 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 08:49:37,342 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:49:37,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [143177695] [2024-09-08 08:49:37,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [143177695] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:49:37,343 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:49:37,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-09-08 08:49:37,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859793595] [2024-09-08 08:49:37,343 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:49:37,343 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-08 08:49:37,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:49:37,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-08 08:49:37,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-09-08 08:49:37,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:49:37,344 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:49:37,344 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:49:37,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:37,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:49:37,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:37,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:37,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:37,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:49:38,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:38,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:49:38,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:38,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:38,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:38,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:49:38,392 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 [2024-09-08 08:49:38,581 WARN L456 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 [2024-09-08 08:49:38,581 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:49:38,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:49:38,582 INFO L85 PathProgramCache]: Analyzing trace with hash -747412872, now seen corresponding path program 2 times [2024-09-08 08:49:38,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:49:38,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [598122655] [2024-09-08 08:49:38,583 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 08:49:38,583 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 [2024-09-08 08:49:38,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:49:38,585 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) [2024-09-08 08:49:38,586 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 [2024-09-08 08:49:38,820 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 08:49:38,820 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:49:38,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-08 08:49:38,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:49:39,661 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-09-08 08:49:39,661 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:49:39,818 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-09-08 08:49:39,818 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:49:39,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [598122655] [2024-09-08 08:49:39,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [598122655] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:49:39,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:49:39,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-09-08 08:49:39,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483217343] [2024-09-08 08:49:39,819 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:49:39,819 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-08 08:49:39,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:49:39,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-08 08:49:39,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-09-08 08:49:39,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:49:39,820 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:49:39,821 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 9 states have internal predecessors, (91), 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) [2024-09-08 08:49:39,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:39,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:49:39,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:39,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:39,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:39,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:49:39,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:49:41,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:41,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:49:41,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:41,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:41,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:41,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:49:41,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:41,223 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 [2024-09-08 08:49:41,412 WARN L456 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 [2024-09-08 08:49:41,412 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:49:41,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:49:41,413 INFO L85 PathProgramCache]: Analyzing trace with hash 247819682, now seen corresponding path program 1 times [2024-09-08 08:49:41,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:49:41,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [132079696] [2024-09-08 08:49:41,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:49:41,414 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 [2024-09-08 08:49:41,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:49:41,416 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) [2024-09-08 08:49:41,417 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 [2024-09-08 08:49:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:49:41,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-09-08 08:49:41,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:49:41,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2024-09-08 08:49:42,035 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-08 08:49:42,036 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:49:42,363 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-09-08 08:49:42,363 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:49:42,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [132079696] [2024-09-08 08:49:42,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [132079696] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:49:42,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:49:42,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 12 [2024-09-08 08:49:42,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12718932] [2024-09-08 08:49:42,364 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:49:42,364 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-08 08:49:42,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:49:42,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-08 08:49:42,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-09-08 08:49:42,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:49:42,365 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:49:42,365 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 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) [2024-09-08 08:49:42,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:42,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:49:42,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:42,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:42,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:42,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:49:42,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:42,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:49:43,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:43,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:49:43,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:43,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:43,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:43,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:49:43,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:43,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-08 08:49:43,676 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-09-08 08:49:43,872 WARN L456 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 [2024-09-08 08:49:43,873 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:49:43,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:49:43,873 INFO L85 PathProgramCache]: Analyzing trace with hash 706084906, now seen corresponding path program 2 times [2024-09-08 08:49:43,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:49:43,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [263965431] [2024-09-08 08:49:43,874 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 08:49:43,874 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 [2024-09-08 08:49:43,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:49:43,875 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) [2024-09-08 08:49:43,878 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 [2024-09-08 08:49:44,070 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 08:49:44,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:49:44,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-08 08:49:44,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:49:44,648 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-09-08 08:49:44,648 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:49:44,919 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-09-08 08:49:44,919 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:49:44,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [263965431] [2024-09-08 08:49:44,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [263965431] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:49:44,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:49:44,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-09-08 08:49:44,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988806894] [2024-09-08 08:49:44,920 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:49:44,920 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-09-08 08:49:44,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:49:44,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-09-08 08:49:44,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-09-08 08:49:44,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:49:44,921 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:49:44,921 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.214285714285714) internal successors, (101), 13 states have internal predecessors, (101), 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) [2024-09-08 08:49:44,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:44,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:49:44,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:44,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:44,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:44,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:49:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-09-08 08:49:44,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:49:46,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:46,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:49:46,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:46,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:46,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:46,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:49:46,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:46,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 08:49:46,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:49:46,951 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 (11)] Ended with exit code 0 [2024-09-08 08:49:47,144 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-08 08:49:47,144 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:49:47,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:49:47,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1213212252, now seen corresponding path program 3 times [2024-09-08 08:49:47,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:49:47,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315959616] [2024-09-08 08:49:47,145 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 08:49:47,145 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 [2024-09-08 08:49:47,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:49:47,148 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-08 08:49:47,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-09-08 08:49:47,466 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-09-08 08:49:47,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:49:47,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-09-08 08:49:47,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:49:47,988 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-09-08 08:49:47,988 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:49:48,324 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-09-08 08:49:48,324 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:49:48,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1315959616] [2024-09-08 08:49:48,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1315959616] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:49:48,324 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:49:48,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-09-08 08:49:48,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659531188] [2024-09-08 08:49:48,325 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:49:48,325 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-09-08 08:49:48,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:49:48,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-09-08 08:49:48,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2024-09-08 08:49:48,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:49:48,326 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:49:48,326 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.8125) internal successors, (109), 15 states have internal predecessors, (109), 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) [2024-09-08 08:49:48,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:48,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:49:48,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:48,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:48,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:48,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:49:48,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:48,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 08:49:48,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:49:48,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:49:51,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:51,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:49:51,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:51,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:51,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:51,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:49:51,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:51,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 08:49:51,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:49:51,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:49:51,976 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 (12)] Ended with exit code 0 [2024-09-08 08:49:52,167 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-08 08:49:52,169 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:49:52,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:49:52,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1491909500, now seen corresponding path program 4 times [2024-09-08 08:49:52,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:49:52,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1798118908] [2024-09-08 08:49:52,171 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-08 08:49:52,171 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 [2024-09-08 08:49:52,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:49:52,173 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-08 08:49:52,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-09-08 08:49:52,260 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-08 08:49:52,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:49:52,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-09-08 08:49:52,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:49:52,499 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-09-08 08:49:52,500 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:49:52,674 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-09-08 08:49:52,675 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:49:52,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1798118908] [2024-09-08 08:49:52,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1798118908] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:49:52,675 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:49:52,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 12 [2024-09-08 08:49:52,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33352095] [2024-09-08 08:49:52,676 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:49:52,676 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-08 08:49:52,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:49:52,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-08 08:49:52,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-09-08 08:49:52,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:49:52,677 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:49:52,677 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 12 states have internal predecessors, (114), 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) [2024-09-08 08:49:52,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:52,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:49:52,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:52,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:52,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:52,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:49:52,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:52,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 08:49:52,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:49:52,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:49:52,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:49:54,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:54,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:49:54,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:54,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:54,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:54,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:49:54,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:54,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 08:49:54,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:49:54,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:49:54,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-08 08:49:54,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-09-08 08:49:54,558 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-08 08:49:54,559 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:49:54,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:49:54,559 INFO L85 PathProgramCache]: Analyzing trace with hash 2013578072, now seen corresponding path program 5 times [2024-09-08 08:49:54,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:49:54,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [753645457] [2024-09-08 08:49:54,560 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-08 08:49:54,560 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 [2024-09-08 08:49:54,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:49:54,563 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-08 08:49:54,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-09-08 08:49:55,066 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-09-08 08:49:55,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:49:55,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-09-08 08:49:55,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:49:55,508 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-09-08 08:49:55,508 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:49:55,874 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-09-08 08:49:55,874 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:49:55,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [753645457] [2024-09-08 08:49:55,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [753645457] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:49:55,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:49:55,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 22 [2024-09-08 08:49:55,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772815258] [2024-09-08 08:49:55,875 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:49:55,875 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-09-08 08:49:55,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:49:55,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-09-08 08:49:55,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=324, Unknown=0, NotChecked=0, Total=462 [2024-09-08 08:49:55,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:49:55,878 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:49:55,878 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.0) internal successors, (154), 22 states have internal predecessors, (154), 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) [2024-09-08 08:49:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:49:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:49:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:49:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:49:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 08:49:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:49:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:49:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-08 08:49:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:50:00,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:50:00,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:50:00,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:50:00,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:00,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:00,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:50:00,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:00,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 08:50:00,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:50:00,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:50:00,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-08 08:50:00,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-08 08:50:00,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2024-09-08 08:50:00,843 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-08 08:50:00,843 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:50:00,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:50:00,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1279939840, now seen corresponding path program 6 times [2024-09-08 08:50:00,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:50:00,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2015391443] [2024-09-08 08:50:00,844 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-08 08:50:00,844 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 [2024-09-08 08:50:00,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:50:00,845 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-08 08:50:00,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-09-08 08:50:01,533 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-09-08 08:50:01,533 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:50:01,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-09-08 08:50:01,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:50:02,795 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 0 proven. 131 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-09-08 08:50:02,795 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:50:03,740 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 10 proven. 121 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-09-08 08:50:03,741 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:50:03,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2015391443] [2024-09-08 08:50:03,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2015391443] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:50:03,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:50:03,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2024-09-08 08:50:03,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292275522] [2024-09-08 08:50:03,741 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:50:03,741 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-09-08 08:50:03,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:50:03,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-09-08 08:50:03,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=557, Unknown=0, NotChecked=0, Total=756 [2024-09-08 08:50:03,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:50:03,742 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:50:03,743 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.321428571428571) internal successors, (121), 27 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:50:03,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:50:03,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:50:03,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:50:03,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:03,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:03,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:50:03,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:03,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 08:50:03,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:50:03,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:50:03,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-09-08 08:50:03,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-08 08:50:03,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:50:07,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:50:07,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:50:07,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:50:07,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:07,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:07,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:50:07,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:07,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 08:50:07,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:50:07,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:50:07,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:50:07,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-09-08 08:50:07,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:50:07,976 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 (15)] Ended with exit code 0 [2024-09-08 08:50:08,163 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /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 [2024-09-08 08:50:08,164 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:50:08,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:50:08,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1187168130, now seen corresponding path program 7 times [2024-09-08 08:50:08,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:50:08,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [86721229] [2024-09-08 08:50:08,165 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-08 08:50:08,165 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 [2024-09-08 08:50:08,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:50:08,168 INFO L229 MonitoredProcess]: Starting monitored process 16 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) [2024-09-08 08:50:08,170 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 (16)] Waiting until timeout for monitored process [2024-09-08 08:50:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:50:08,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-08 08:50:08,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:50:08,666 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-09-08 08:50:08,667 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:50:08,853 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-09-08 08:50:08,853 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:50:08,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [86721229] [2024-09-08 08:50:08,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [86721229] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:50:08,853 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:50:08,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 13 [2024-09-08 08:50:08,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585007402] [2024-09-08 08:50:08,854 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:50:08,854 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-09-08 08:50:08,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:50:08,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-09-08 08:50:08,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-09-08 08:50:08,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:50:08,855 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:50:08,855 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.076923076923077) internal successors, (118), 13 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:50:08,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:50:08,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:50:08,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:50:08,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:08,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:08,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:50:08,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:08,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 08:50:08,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:50:08,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:50:08,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:50:08,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-09-08 08:50:08,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:50:08,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:50:10,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:50:10,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:50:10,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:50:10,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:10,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:10,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:50:10,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:10,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-08 08:50:10,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:50:10,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:50:10,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:50:10,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:50:10,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:50:10,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:50:10,877 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 (16)] Forceful destruction successful, exit code 0 [2024-09-08 08:50:11,068 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /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 [2024-09-08 08:50:11,069 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:50:11,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:50:11,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1319645482, now seen corresponding path program 8 times [2024-09-08 08:50:11,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:50:11,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804093006] [2024-09-08 08:50:11,070 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 08:50:11,070 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 [2024-09-08 08:50:11,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:50:11,072 INFO L229 MonitoredProcess]: Starting monitored process 17 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) [2024-09-08 08:50:11,074 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 (17)] Waiting until timeout for monitored process [2024-09-08 08:50:11,306 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 08:50:11,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:50:11,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-09-08 08:50:11,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:50:12,318 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-09-08 08:50:12,318 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:50:13,124 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 18 proven. 78 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-09-08 08:50:13,125 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:50:13,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [804093006] [2024-09-08 08:50:13,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [804093006] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:50:13,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:50:13,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2024-09-08 08:50:13,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092599370] [2024-09-08 08:50:13,125 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:50:13,125 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-09-08 08:50:13,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:50:13,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-09-08 08:50:13,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=567, Unknown=0, NotChecked=0, Total=756 [2024-09-08 08:50:13,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:50:13,126 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:50:13,126 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.607142857142857) internal successors, (129), 27 states have internal predecessors, (129), 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) [2024-09-08 08:50:13,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:50:13,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:50:13,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:50:13,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:13,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:13,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:50:13,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:13,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-09-08 08:50:13,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:50:13,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:50:13,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:50:13,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:50:13,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:50:13,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:50:13,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:50:17,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:50:17,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:50:17,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:50:17,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:17,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:17,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:50:17,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:17,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:50:17,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:50:17,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:50:17,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:50:17,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:50:17,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:50:17,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:50:17,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:50:17,235 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 (17)] Forceful destruction successful, exit code 0 [2024-09-08 08:50:17,426 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /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 [2024-09-08 08:50:17,426 INFO L399 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:50:17,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:50:17,426 INFO L85 PathProgramCache]: Analyzing trace with hash -153627004, now seen corresponding path program 9 times [2024-09-08 08:50:17,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:50:17,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1231296608] [2024-09-08 08:50:17,427 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 08:50:17,427 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 [2024-09-08 08:50:17,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:50:17,430 INFO L229 MonitoredProcess]: Starting monitored process 18 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) [2024-09-08 08:50:17,431 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 (18)] Waiting until timeout for monitored process [2024-09-08 08:50:18,470 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-09-08 08:50:18,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:50:18,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-09-08 08:50:18,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:50:20,234 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-09-08 08:50:20,234 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:50:21,432 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 26 proven. 208 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-09-08 08:50:21,433 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:50:21,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1231296608] [2024-09-08 08:50:21,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1231296608] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:50:21,433 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:50:21,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 12] total 33 [2024-09-08 08:50:21,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377853584] [2024-09-08 08:50:21,433 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:50:21,434 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-09-08 08:50:21,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:50:21,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-09-08 08:50:21,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=928, Unknown=0, NotChecked=0, Total=1056 [2024-09-08 08:50:21,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:50:21,436 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:50:21,436 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.03030303030303) internal successors, (166), 33 states have internal predecessors, (166), 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) [2024-09-08 08:50:21,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:50:21,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:50:21,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:50:21,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:21,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:21,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:50:21,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:21,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:50:21,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:50:21,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:50:21,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:50:21,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:50:21,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:50:21,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:50:21,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:50:21,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:50:31,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:50:31,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:50:31,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:50:31,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:31,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:31,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:50:31,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:31,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:50:31,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:50:31,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:50:31,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:50:31,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:50:31,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:50:31,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:50:31,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:50:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:50:31,173 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 (18)] Ended with exit code 0 [2024-09-08 08:50:31,358 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /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 [2024-09-08 08:50:31,358 INFO L399 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:50:31,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:50:31,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1564915353, now seen corresponding path program 10 times [2024-09-08 08:50:31,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:50:31,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1994521348] [2024-09-08 08:50:31,359 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-08 08:50:31,359 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 [2024-09-08 08:50:31,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:50:31,362 INFO L229 MonitoredProcess]: Starting monitored process 19 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) [2024-09-08 08:50:31,363 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 (19)] Waiting until timeout for monitored process [2024-09-08 08:50:31,533 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-08 08:50:31,533 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:50:31,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-09-08 08:50:31,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:50:32,160 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-09-08 08:50:32,160 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:50:32,739 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 0 proven. 332 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-09-08 08:50:32,739 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:50:32,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1994521348] [2024-09-08 08:50:32,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1994521348] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:50:32,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:50:32,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 12] total 32 [2024-09-08 08:50:32,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048907387] [2024-09-08 08:50:32,740 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:50:32,740 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-09-08 08:50:32,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:50:32,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-09-08 08:50:32,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=737, Unknown=0, NotChecked=0, Total=992 [2024-09-08 08:50:32,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:50:32,743 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:50:32,744 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 6.0625) internal successors, (194), 32 states have internal predecessors, (194), 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) [2024-09-08 08:50:32,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:50:32,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:50:32,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:50:32,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:32,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:32,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:50:32,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:32,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:50:32,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:50:32,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:50:32,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:50:32,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:50:32,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:50:32,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:50:32,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:50:32,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:50:32,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:50:39,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:50:39,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:50:39,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:50:39,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:39,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:39,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:50:39,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:39,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:50:39,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:50:39,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:50:39,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:50:39,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:50:39,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:50:39,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:50:39,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:50:39,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:50:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-09-08 08:50:39,547 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 (19)] Forceful destruction successful, exit code 0 [2024-09-08 08:50:39,744 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /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 [2024-09-08 08:50:39,745 INFO L399 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:50:39,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:50:39,745 INFO L85 PathProgramCache]: Analyzing trace with hash 490301061, now seen corresponding path program 11 times [2024-09-08 08:50:39,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:50:39,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [853834539] [2024-09-08 08:50:39,746 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-08 08:50:39,746 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 [2024-09-08 08:50:39,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:50:39,747 INFO L229 MonitoredProcess]: Starting monitored process 20 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) [2024-09-08 08:50:39,750 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 (20)] Waiting until timeout for monitored process [2024-09-08 08:50:41,596 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-09-08 08:50:41,596 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:50:41,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-09-08 08:50:41,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:50:42,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1366 backedges. 0 proven. 1300 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-09-08 08:50:42,849 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:50:44,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1366 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-09-08 08:50:44,099 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:50:44,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [853834539] [2024-09-08 08:50:44,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [853834539] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:50:44,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:50:44,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 23] total 54 [2024-09-08 08:50:44,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529047636] [2024-09-08 08:50:44,100 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:50:44,101 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-09-08 08:50:44,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:50:44,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-09-08 08:50:44,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=750, Invalid=2112, Unknown=0, NotChecked=0, Total=2862 [2024-09-08 08:50:44,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:50:44,104 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:50:44,104 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 5.222222222222222) internal successors, (282), 54 states have internal predecessors, (282), 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) [2024-09-08 08:50:44,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:50:44,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:50:44,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:50:44,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:44,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:44,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:50:44,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:50:44,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:50:44,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:50:44,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:50:44,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:50:44,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:50:44,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:50:44,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:50:44,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:50:44,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:50:44,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-09-08 08:50:44,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:51:09,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:51:09,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:51:09,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:51:09,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:51:09,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:51:09,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:51:09,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:51:09,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:51:09,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:51:09,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:51:09,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:51:09,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:51:09,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:51:09,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:51:09,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:51:09,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:51:09,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-09-08 08:51:09,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-09-08 08:51:09,568 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 (20)] Forceful destruction successful, exit code 0 [2024-09-08 08:51:09,745 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /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 [2024-09-08 08:51:09,746 INFO L399 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:51:09,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:51:09,746 INFO L85 PathProgramCache]: Analyzing trace with hash -937676707, now seen corresponding path program 12 times [2024-09-08 08:51:09,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:51:09,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [237181996] [2024-09-08 08:51:09,747 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-08 08:51:09,747 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 [2024-09-08 08:51:09,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:51:09,748 INFO L229 MonitoredProcess]: Starting monitored process 21 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) [2024-09-08 08:51:09,751 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 (21)] Waiting until timeout for monitored process [2024-09-08 08:51:12,785 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2024-09-08 08:51:12,785 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:51:12,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-09-08 08:51:12,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:51:16,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4534 backedges. 0 proven. 1131 refuted. 0 times theorem prover too weak. 3403 trivial. 0 not checked. [2024-09-08 08:51:16,249 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:51:17,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4534 backedges. 125 proven. 940 refuted. 0 times theorem prover too weak. 3469 trivial. 0 not checked. [2024-09-08 08:51:17,728 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:51:17,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [237181996] [2024-09-08 08:51:17,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [237181996] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:51:17,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:51:17,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 14] total 38 [2024-09-08 08:51:17,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926986381] [2024-09-08 08:51:17,728 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:51:17,729 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-09-08 08:51:17,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:51:17,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-09-08 08:51:17,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=1239, Unknown=0, NotChecked=0, Total=1406 [2024-09-08 08:51:17,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:51:17,730 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:51:17,730 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 4.815789473684211) internal successors, (183), 38 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:51:17,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:51:17,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:51:17,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:51:17,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:51:17,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:51:17,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:51:17,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:51:17,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:51:17,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:51:17,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:51:17,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:51:17,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:51:17,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:51:17,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:51:17,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:51:17,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:51:17,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-09-08 08:51:17,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-09-08 08:51:17,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:51:31,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:51:31,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:51:31,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:51:31,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:51:31,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:51:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:51:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:51:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:51:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:51:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:51:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:51:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:51:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:51:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:51:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:51:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:51:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-09-08 08:51:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-09-08 08:51:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:51:31,323 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 (21)] Forceful destruction successful, exit code 0 [2024-09-08 08:51:31,506 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /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 [2024-09-08 08:51:31,506 INFO L399 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:51:31,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:51:31,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1309056838, now seen corresponding path program 13 times [2024-09-08 08:51:31,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:51:31,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [197710525] [2024-09-08 08:51:31,508 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-08 08:51:31,508 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 [2024-09-08 08:51:31,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:51:31,509 INFO L229 MonitoredProcess]: Starting monitored process 22 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) [2024-09-08 08:51:31,512 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 (22)] Waiting until timeout for monitored process [2024-09-08 08:51:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:51:31,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-09-08 08:51:31,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:51:32,395 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-09-08 08:51:32,395 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:51:32,643 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-09-08 08:51:32,643 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:51:32,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [197710525] [2024-09-08 08:51:32,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [197710525] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:51:32,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:51:32,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 7] total 23 [2024-09-08 08:51:32,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059693740] [2024-09-08 08:51:32,644 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:51:32,644 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-09-08 08:51:32,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:51:32,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-09-08 08:51:32,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=396, Unknown=0, NotChecked=0, Total=506 [2024-09-08 08:51:32,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:51:32,647 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:51:32,647 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 6.869565217391305) internal successors, (158), 23 states have internal predecessors, (158), 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) [2024-09-08 08:51:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:51:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:51:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:51:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:51:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:51:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:51:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:51:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:51:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:51:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:51:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:51:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:51:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:51:32,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:51:32,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:51:32,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:51:32,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-09-08 08:51:32,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-09-08 08:51:32,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:51:32,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:51:37,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:51:37,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:51:37,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:51:37,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:51:37,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:51:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:51:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:51:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:51:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:51:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:51:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:51:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:51:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:51:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:51:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:51:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:51:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-09-08 08:51:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-09-08 08:51:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:51:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-08 08:51:37,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-09-08 08:51:37,883 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /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 [2024-09-08 08:51:37,884 INFO L399 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:51:37,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:51:37,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1322675490, now seen corresponding path program 14 times [2024-09-08 08:51:37,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:51:37,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [235735376] [2024-09-08 08:51:37,885 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 08:51:37,885 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 [2024-09-08 08:51:37,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:51:37,886 INFO L229 MonitoredProcess]: Starting monitored process 23 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) [2024-09-08 08:51:37,888 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 (23)] Waiting until timeout for monitored process [2024-09-08 08:51:38,271 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 08:51:38,272 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:51:38,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-09-08 08:51:38,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:51:39,431 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 394 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-09-08 08:51:39,432 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:51:40,429 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 36 proven. 358 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-09-08 08:51:40,429 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:51:40,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [235735376] [2024-09-08 08:51:40,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [235735376] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:51:40,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:51:40,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 35 [2024-09-08 08:51:40,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250465497] [2024-09-08 08:51:40,430 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:51:40,430 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-08 08:51:40,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:51:40,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-08 08:51:40,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2024-09-08 08:51:40,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:51:40,431 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:51:40,431 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 5.361111111111111) internal successors, (193), 35 states have internal predecessors, (193), 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) [2024-09-08 08:51:40,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:51:40,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:51:40,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:51:40,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:51:40,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:51:40,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:51:40,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:51:40,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:51:40,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:51:40,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:51:40,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:51:40,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:51:40,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:51:40,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:51:40,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:51:40,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:51:40,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-09-08 08:51:40,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-09-08 08:51:40,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:51:40,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-09-08 08:51:40,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:51:46,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:51:46,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:51:46,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:51:46,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:51:46,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:51:46,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:51:46,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:51:46,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:51:46,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:51:46,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:51:46,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:51:46,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:51:46,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:51:46,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:51:46,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:51:46,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:51:46,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-09-08 08:51:46,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-09-08 08:51:46,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:51:46,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-08 08:51:46,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-08 08:51:46,336 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 (23)] Forceful destruction successful, exit code 0 [2024-09-08 08:51:46,527 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /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 [2024-09-08 08:51:46,528 INFO L399 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:51:46,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:51:46,528 INFO L85 PathProgramCache]: Analyzing trace with hash 593013828, now seen corresponding path program 15 times [2024-09-08 08:51:46,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:51:46,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [83646649] [2024-09-08 08:51:46,529 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 08:51:46,529 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 [2024-09-08 08:51:46,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:51:46,531 INFO L229 MonitoredProcess]: Starting monitored process 24 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) [2024-09-08 08:51:46,532 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 (24)] Waiting until timeout for monitored process [2024-09-08 08:51:47,972 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-09-08 08:51:47,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:51:48,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-09-08 08:51:48,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:51:50,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1608 backedges. 0 proven. 788 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2024-09-08 08:51:50,442 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:51:52,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1608 backedges. 62 proven. 648 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2024-09-08 08:51:52,157 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:51:52,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [83646649] [2024-09-08 08:51:52,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [83646649] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:51:52,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:51:52,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 16] total 43 [2024-09-08 08:51:52,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448330436] [2024-09-08 08:51:52,157 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:51:52,158 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-09-08 08:51:52,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:51:52,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-09-08 08:51:52,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=1589, Unknown=0, NotChecked=0, Total=1806 [2024-09-08 08:51:52,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:51:52,159 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:51:52,159 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 4.651162790697675) internal successors, (200), 43 states have internal predecessors, (200), 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) [2024-09-08 08:51:52,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:51:52,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:51:52,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:51:52,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:51:52,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:51:52,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:51:52,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:51:52,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:51:52,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:51:52,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:51:52,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:51:52,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:51:52,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:51:52,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:51:52,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:51:52,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:51:52,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-09-08 08:51:52,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-09-08 08:51:52,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:51:52,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-09-08 08:51:52,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-08 08:51:52,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:52:08,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:52:08,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:52:08,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:52:08,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:52:08,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:52:08,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:52:08,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:52:08,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:52:08,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:52:08,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:52:08,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:52:08,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:52:08,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:52:08,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:52:08,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:52:08,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:52:08,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-09-08 08:52:08,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-09-08 08:52:08,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:52:08,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:52:08,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-08 08:52:08,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-09-08 08:52:08,595 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 (24)] Forceful destruction successful, exit code 0 [2024-09-08 08:52:08,776 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /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 [2024-09-08 08:52:08,777 INFO L399 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:52:08,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:52:08,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1943711463, now seen corresponding path program 16 times [2024-09-08 08:52:08,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:52:08,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [413321430] [2024-09-08 08:52:08,778 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-08 08:52:08,778 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 [2024-09-08 08:52:08,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:52:08,780 INFO L229 MonitoredProcess]: Starting monitored process 25 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) [2024-09-08 08:52:08,781 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 (25)] Waiting until timeout for monitored process [2024-09-08 08:52:08,982 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-08 08:52:08,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:52:08,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-09-08 08:52:08,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:52:10,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 0 proven. 1666 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-09-08 08:52:10,653 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:52:12,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 0 proven. 1456 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-09-08 08:52:12,115 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:52:12,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [413321430] [2024-09-08 08:52:12,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [413321430] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:52:12,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:52:12,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 24] total 60 [2024-09-08 08:52:12,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807364513] [2024-09-08 08:52:12,115 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:52:12,116 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-09-08 08:52:12,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:52:12,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-09-08 08:52:12,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=901, Invalid=2639, Unknown=0, NotChecked=0, Total=3540 [2024-09-08 08:52:12,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:52:12,118 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:52:12,118 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 5.1) internal successors, (306), 60 states have internal predecessors, (306), 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) [2024-09-08 08:52:12,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:52:12,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:52:12,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:52:12,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:52:12,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:52:12,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:52:12,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:52:12,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:52:12,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:52:12,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:52:12,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:52:12,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:52:12,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:52:12,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:52:12,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:52:12,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:52:12,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-09-08 08:52:12,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-09-08 08:52:12,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:52:12,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:52:12,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-08 08:52:12,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-09-08 08:52:12,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:52:44,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:52:44,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:52:44,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:52:44,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:52:44,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:52:44,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:52:44,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:52:44,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:52:44,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:52:44,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:52:44,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:52:44,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:52:44,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:52:44,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:52:44,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:52:44,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:52:44,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-09-08 08:52:44,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-09-08 08:52:44,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:52:44,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:52:44,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-08 08:52:44,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-09-08 08:52:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-09-08 08:52:44,274 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 (25)] Forceful destruction successful, exit code 0 [2024-09-08 08:52:44,469 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /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 [2024-09-08 08:52:44,470 INFO L399 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:52:44,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:52:44,471 INFO L85 PathProgramCache]: Analyzing trace with hash 80446517, now seen corresponding path program 17 times [2024-09-08 08:52:44,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:52:44,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1849482651] [2024-09-08 08:52:44,471 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-08 08:52:44,472 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 [2024-09-08 08:52:44,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:52:44,473 INFO L229 MonitoredProcess]: Starting monitored process 26 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) [2024-09-08 08:52:44,474 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 (26)] Waiting until timeout for monitored process [2024-09-08 08:52:49,945 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 45 check-sat command(s) [2024-09-08 08:52:49,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:52:50,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-09-08 08:52:50,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:52:53,206 INFO L134 CoverageAnalysis]: Checked inductivity of 5391 backedges. 0 proven. 5300 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-09-08 08:52:53,206 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:52:58,050 INFO L134 CoverageAnalysis]: Checked inductivity of 5391 backedges. 0 proven. 5090 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-09-08 08:52:58,050 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:52:58,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1849482651] [2024-09-08 08:52:58,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1849482651] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:52:58,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:52:58,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 47] total 106 [2024-09-08 08:52:58,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912798764] [2024-09-08 08:52:58,051 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:52:58,051 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2024-09-08 08:52:58,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:52:58,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2024-09-08 08:52:58,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2856, Invalid=8274, Unknown=0, NotChecked=0, Total=11130 [2024-09-08 08:52:58,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:52:58,055 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:52:58,056 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 4.622641509433962) internal successors, (490), 106 states have internal predecessors, (490), 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) [2024-09-08 08:52:58,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:52:58,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:52:58,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:52:58,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:52:58,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:52:58,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:52:58,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:52:58,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:52:58,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:52:58,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:52:58,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:52:58,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:52:58,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:52:58,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:52:58,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:52:58,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:52:58,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-09-08 08:52:58,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-09-08 08:52:58,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:52:58,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:52:58,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-08 08:52:58,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-09-08 08:52:58,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-09-08 08:52:58,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:55:45,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:55:45,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:55:45,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:55:45,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:55:45,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:55:45,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:55:45,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:55:45,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:55:45,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:55:45,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:55:45,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:55:45,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:55:45,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:55:45,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:55:45,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:55:45,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:55:45,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-09-08 08:55:45,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-09-08 08:55:45,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:55:45,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:55:45,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-08 08:55:45,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-09-08 08:55:45,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-09-08 08:55:45,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-09-08 08:55:45,497 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 (26)] Forceful destruction successful, exit code 0 [2024-09-08 08:55:45,650 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /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 [2024-09-08 08:55:45,651 INFO L399 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:55:45,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:55:45,651 INFO L85 PathProgramCache]: Analyzing trace with hash 2050081901, now seen corresponding path program 18 times [2024-09-08 08:55:45,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:55:45,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399391163] [2024-09-08 08:55:45,652 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-08 08:55:45,652 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 [2024-09-08 08:55:45,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:55:45,655 INFO L229 MonitoredProcess]: Starting monitored process 27 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) [2024-09-08 08:55:45,656 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 (27)] Waiting until timeout for monitored process [2024-09-08 08:55:48,952 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 23 check-sat command(s) [2024-09-08 08:55:48,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:55:49,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-09-08 08:55:49,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:55:54,211 INFO L134 CoverageAnalysis]: Checked inductivity of 19007 backedges. 0 proven. 3076 refuted. 0 times theorem prover too weak. 15931 trivial. 0 not checked. [2024-09-08 08:55:54,211 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:55:56,558 INFO L134 CoverageAnalysis]: Checked inductivity of 19007 backedges. 269 proven. 2716 refuted. 0 times theorem prover too weak. 16022 trivial. 0 not checked. [2024-09-08 08:55:56,561 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:55:56,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1399391163] [2024-09-08 08:55:56,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1399391163] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:55:56,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:55:56,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 18] total 48 [2024-09-08 08:55:56,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669793330] [2024-09-08 08:55:56,562 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:55:56,562 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-09-08 08:55:56,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:55:56,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-09-08 08:55:56,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=1984, Unknown=0, NotChecked=0, Total=2256 [2024-09-08 08:55:56,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:55:56,564 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:55:56,564 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 4.520833333333333) internal successors, (217), 48 states have internal predecessors, (217), 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) [2024-09-08 08:55:56,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:55:56,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:55:56,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:55:56,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:55:56,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:55:56,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:55:56,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:55:56,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:55:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:55:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:55:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:55:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:55:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:55:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:55:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:55:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:55:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-09-08 08:55:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-09-08 08:55:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:55:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:55:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-08 08:55:56,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-09-08 08:55:56,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-09-08 08:55:56,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-09-08 08:55:56,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:56:22,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:56:22,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:56:22,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:56:22,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:56:22,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:56:22,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:56:22,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:56:22,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:56:22,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:56:22,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:56:22,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:56:22,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:56:22,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:56:22,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:56:22,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:56:22,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:56:22,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-09-08 08:56:22,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-09-08 08:56:22,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:56:22,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:56:22,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-08 08:56:22,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-09-08 08:56:22,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-09-08 08:56:22,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2024-09-08 08:56:22,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-09-08 08:56:22,047 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 (27)] Ended with exit code 0 [2024-09-08 08:56:22,218 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /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 [2024-09-08 08:56:22,218 INFO L399 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:56:22,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:56:22,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1692107802, now seen corresponding path program 19 times [2024-09-08 08:56:22,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:56:22,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1211802532] [2024-09-08 08:56:22,219 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-08 08:56:22,219 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 [2024-09-08 08:56:22,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:56:22,221 INFO L229 MonitoredProcess]: Starting monitored process 28 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) [2024-09-08 08:56:22,222 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 (28)] Waiting until timeout for monitored process [2024-09-08 08:56:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:56:22,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-09-08 08:56:22,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:56:23,416 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 0 proven. 416 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-09-08 08:56:23,416 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:56:23,820 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-09-08 08:56:23,820 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:56:23,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1211802532] [2024-09-08 08:56:23,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1211802532] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:56:23,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:56:23,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 8] total 29 [2024-09-08 08:56:23,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132276490] [2024-09-08 08:56:23,821 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:56:23,821 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-09-08 08:56:23,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:56:23,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-09-08 08:56:23,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=648, Unknown=0, NotChecked=0, Total=812 [2024-09-08 08:56:23,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:56:23,823 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:56:23,823 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 6.275862068965517) internal successors, (182), 29 states have internal predecessors, (182), 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) [2024-09-08 08:56:23,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:56:23,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:56:23,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:56:23,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:56:23,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:56:23,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:56:23,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:56:23,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:56:23,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:56:23,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:56:23,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:56:23,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:56:23,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:56:23,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:56:23,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:56:23,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:56:23,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-09-08 08:56:23,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-09-08 08:56:23,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:56:23,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:56:23,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-08 08:56:23,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-09-08 08:56:23,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-09-08 08:56:23,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2024-09-08 08:56:23,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-09-08 08:56:23,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:56:40,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:56:40,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:56:40,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:56:40,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:56:40,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:56:40,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:56:40,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:56:40,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:56:40,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:56:40,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:56:40,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:56:40,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:56:40,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:56:40,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:56:40,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:56:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:56:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-09-08 08:56:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-09-08 08:56:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:56:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:56:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-08 08:56:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-09-08 08:56:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-09-08 08:56:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-09-08 08:56:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-09-08 08:56:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-09-08 08:56:40,059 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 (28)] Forceful destruction successful, exit code 0 [2024-09-08 08:56:40,243 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /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 [2024-09-08 08:56:40,244 INFO L399 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:56:40,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:56:40,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1662541302, now seen corresponding path program 20 times [2024-09-08 08:56:40,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:56:40,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [777626471] [2024-09-08 08:56:40,244 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 08:56:40,245 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 [2024-09-08 08:56:40,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:56:40,247 INFO L229 MonitoredProcess]: Starting monitored process 29 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) [2024-09-08 08:56:40,248 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 (29)] Waiting until timeout for monitored process [2024-09-08 08:56:40,676 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 08:56:40,676 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:56:40,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-09-08 08:56:40,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:56:42,050 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 0 proven. 657 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-09-08 08:56:42,051 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:56:43,245 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 50 proven. 607 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-09-08 08:56:43,245 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:56:43,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [777626471] [2024-09-08 08:56:43,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [777626471] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:56:43,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:56:43,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 41 [2024-09-08 08:56:43,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851918632] [2024-09-08 08:56:43,246 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:56:43,246 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-09-08 08:56:43,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:56:43,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-09-08 08:56:43,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=1412, Unknown=0, NotChecked=0, Total=1722 [2024-09-08 08:56:43,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:56:43,247 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:56:43,247 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 5.404761904761905) internal successors, (227), 41 states have internal predecessors, (227), 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) [2024-09-08 08:56:43,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:56:43,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:56:43,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:56:43,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:56:43,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:56:43,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:56:43,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:56:43,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:56:43,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:56:43,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:56:43,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:56:43,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:56:43,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:56:43,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:56:43,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:56:43,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:56:43,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-09-08 08:56:43,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-09-08 08:56:43,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:56:43,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:56:43,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-08 08:56:43,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-09-08 08:56:43,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-09-08 08:56:43,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-09-08 08:56:43,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-09-08 08:56:43,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-09-08 08:56:43,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:57:07,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:07,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:57:07,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:57:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:57:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:57:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:57:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:57:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:57:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:57:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:57:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:57:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:57:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:57:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:57:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:57:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-09-08 08:57:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-09-08 08:57:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:57:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:57:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-08 08:57:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-09-08 08:57:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-09-08 08:57:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-09-08 08:57:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-09-08 08:57:07,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-09-08 08:57:07,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-08 08:57:07,886 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 (29)] Forceful destruction successful, exit code 0 [2024-09-08 08:57:08,070 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /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 [2024-09-08 08:57:08,070 INFO L399 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:57:08,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:57:08,071 INFO L85 PathProgramCache]: Analyzing trace with hash -878542028, now seen corresponding path program 21 times [2024-09-08 08:57:08,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:57:08,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1307410999] [2024-09-08 08:57:08,072 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 08:57:08,072 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 [2024-09-08 08:57:08,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:57:08,073 INFO L229 MonitoredProcess]: Starting monitored process 30 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) [2024-09-08 08:57:08,074 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 (30)] Waiting until timeout for monitored process [2024-09-08 08:57:10,496 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-09-08 08:57:10,496 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:57:10,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-09-08 08:57:10,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:57:13,331 INFO L134 CoverageAnalysis]: Checked inductivity of 5851 backedges. 0 proven. 1801 refuted. 0 times theorem prover too weak. 4050 trivial. 0 not checked. [2024-09-08 08:57:13,331 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:57:15,939 INFO L134 CoverageAnalysis]: Checked inductivity of 5851 backedges. 0 proven. 1801 refuted. 0 times theorem prover too weak. 4050 trivial. 0 not checked. [2024-09-08 08:57:15,940 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:57:15,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1307410999] [2024-09-08 08:57:15,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1307410999] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:57:15,940 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:57:15,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 49 [2024-09-08 08:57:15,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658450596] [2024-09-08 08:57:15,940 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:57:15,941 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-09-08 08:57:15,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:57:15,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-09-08 08:57:15,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=520, Invalid=1930, Unknown=0, NotChecked=0, Total=2450 [2024-09-08 08:57:15,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:57:15,942 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:57:15,942 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.82) internal successors, (241), 49 states have internal predecessors, (241), 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) [2024-09-08 08:57:15,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:15,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:57:15,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:15,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:57:15,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:57:15,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:57:15,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:57:15,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:57:15,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:57:15,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:57:15,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:57:15,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:57:15,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:57:15,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:57:15,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:57:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:57:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-09-08 08:57:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-09-08 08:57:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:57:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:57:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-08 08:57:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-09-08 08:57:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-09-08 08:57:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-09-08 08:57:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-09-08 08:57:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-09-08 08:57:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-08 08:57:15,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:57:42,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:42,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:57:42,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:42,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:57:42,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:57:42,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:57:42,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:57:42,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:57:42,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:57:42,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:57:42,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:57:42,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:57:42,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:57:42,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:57:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:57:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:57:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-09-08 08:57:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-09-08 08:57:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:57:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:57:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-09-08 08:57:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-09-08 08:57:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-09-08 08:57:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-09-08 08:57:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-09-08 08:57:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-09-08 08:57:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-08 08:57:42,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-09-08 08:57:42,300 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 (30)] Forceful destruction successful, exit code 0 [2024-09-08 08:57:42,477 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /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 [2024-09-08 08:57:42,477 INFO L399 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-09-08 08:57:42,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:57:42,478 INFO L85 PathProgramCache]: Analyzing trace with hash 59719732, now seen corresponding path program 22 times [2024-09-08 08:57:42,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-08 08:57:42,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1385918546] [2024-09-08 08:57:42,479 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-08 08:57:42,479 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 [2024-09-08 08:57:42,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-08 08:57:42,481 INFO L229 MonitoredProcess]: Starting monitored process 31 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) [2024-09-08 08:57:42,482 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 (31)] Waiting until timeout for monitored process [2024-09-08 08:57:42,761 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-08 08:57:42,762 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:57:42,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-09-08 08:57:42,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:57:46,228 INFO L134 CoverageAnalysis]: Checked inductivity of 6211 backedges. 0 proven. 5746 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-09-08 08:57:46,228 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:57:51,798 INFO L134 CoverageAnalysis]: Checked inductivity of 6211 backedges. 0 proven. 5474 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2024-09-08 08:57:51,798 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-08 08:57:51,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1385918546] [2024-09-08 08:57:51,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1385918546] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:57:51,799 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-08 08:57:51,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 48] total 110 [2024-09-08 08:57:51,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852016077] [2024-09-08 08:57:51,799 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-08 08:57:51,800 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2024-09-08 08:57:51,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-08 08:57:51,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2024-09-08 08:57:51,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3060, Invalid=8930, Unknown=0, NotChecked=0, Total=11990 [2024-09-08 08:57:51,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:57:51,803 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:57:51,803 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 4.6) internal successors, (506), 110 states have internal predecessors, (506), 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) [2024-09-08 08:57:51,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:51,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 08:57:51,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 08:57:51,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:57:51,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:57:51,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:57:51,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 08:57:51,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:57:51,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 08:57:51,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-09-08 08:57:51,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-09-08 08:57:51,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-09-08 08:57:51,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-08 08:57:51,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-09-08 08:57:51,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:57:51,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-08 08:57:51,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-09-08 08:57:51,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-09-08 08:57:51,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:57:51,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:57:51,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-09-08 08:57:51,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-09-08 08:57:51,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-09-08 08:57:51,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-09-08 08:57:51,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-09-08 08:57:51,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-09-08 08:57:51,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-09-08 08:57:51,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-09-08 08:57:51,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15