./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-queue-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-queue-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c858394bc83ab2c402eb20052f936c0a6aa98b2b6b6c704be79c039778bcff97 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:56:54,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:56:54,631 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 17:56:54,637 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:56:54,637 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:56:54,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:56:54,664 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:56:54,665 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:56:54,665 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:56:54,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:56:54,666 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:56:54,667 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:56:54,667 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:56:54,668 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:56:54,668 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:56:54,669 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:56:54,669 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:56:54,670 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:56:54,670 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:56:54,671 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:56:54,671 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:56:54,673 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:56:54,674 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:56:54,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:56:54,675 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:56:54,676 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:56:54,676 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:56:54,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:56:54,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:56:54,677 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:56:54,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:56:54,678 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:56:54,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:56:54,678 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:56:54,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:56:54,679 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:56:54,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:56:54,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:56:54,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:56:54,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:56:54,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:56:54,680 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:56:54,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:56:54,681 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:56:54,681 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:56:54,681 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:56:54,681 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:56:54,681 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c858394bc83ab2c402eb20052f936c0a6aa98b2b6b6c704be79c039778bcff97 [2023-12-02 17:56:54,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:56:54,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:56:54,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:56:54,933 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:56:54,934 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:56:54,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/forester-heap/dll-queue-1.i [2023-12-02 17:56:57,714 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:56:57,934 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:56:57,935 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i [2023-12-02 17:56:57,949 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/bin/utaipan-verify-nQ1chXbOIh/data/0012ad021/96114495f9d445daa4eee9c12c381b54/FLAGe6338fb21 [2023-12-02 17:56:57,962 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/bin/utaipan-verify-nQ1chXbOIh/data/0012ad021/96114495f9d445daa4eee9c12c381b54 [2023-12-02 17:56:57,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:56:57,965 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:56:57,967 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:56:57,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:56:57,971 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:56:57,971 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:56:57" (1/1) ... [2023-12-02 17:56:57,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@490f5680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:57, skipping insertion in model container [2023-12-02 17:56:57,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:56:57" (1/1) ... [2023-12-02 17:56:58,015 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:56:58,247 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[22460,22473] [2023-12-02 17:56:58,252 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[22531,22544] [2023-12-02 17:56:58,253 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[22605,22618] [2023-12-02 17:56:58,254 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[22697,22710] [2023-12-02 17:56:58,255 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[22774,22787] [2023-12-02 17:56:58,256 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[22869,22882] [2023-12-02 17:56:58,257 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[22946,22959] [2023-12-02 17:56:58,257 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[23029,23042] [2023-12-02 17:56:58,258 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[23124,23137] [2023-12-02 17:56:58,259 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[23201,23214] [2023-12-02 17:56:58,260 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[23284,23297] [2023-12-02 17:56:58,261 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[23373,23386] [2023-12-02 17:56:58,263 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[23459,23472] [2023-12-02 17:56:58,265 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[23604,23617] [2023-12-02 17:56:58,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:56:58,278 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:56:58,313 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[22460,22473] [2023-12-02 17:56:58,314 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[22531,22544] [2023-12-02 17:56:58,315 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[22605,22618] [2023-12-02 17:56:58,316 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[22697,22710] [2023-12-02 17:56:58,317 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[22774,22787] [2023-12-02 17:56:58,317 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[22869,22882] [2023-12-02 17:56:58,318 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[22946,22959] [2023-12-02 17:56:58,320 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[23029,23042] [2023-12-02 17:56:58,321 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[23124,23137] [2023-12-02 17:56:58,322 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[23201,23214] [2023-12-02 17:56:58,323 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[23284,23297] [2023-12-02 17:56:58,324 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[23373,23386] [2023-12-02 17:56:58,325 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[23459,23472] [2023-12-02 17:56:58,326 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/sv-benchmarks/c/forester-heap/dll-queue-1.i[23604,23617] [2023-12-02 17:56:58,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:56:58,353 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:56:58,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:58 WrapperNode [2023-12-02 17:56:58,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:56:58,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:56:58,355 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:56:58,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:56:58,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:58" (1/1) ... [2023-12-02 17:56:58,374 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:58" (1/1) ... [2023-12-02 17:56:58,402 INFO L138 Inliner]: procedures = 119, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 224 [2023-12-02 17:56:58,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:56:58,403 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:56:58,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:56:58,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:56:58,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:58" (1/1) ... [2023-12-02 17:56:58,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:58" (1/1) ... [2023-12-02 17:56:58,417 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:58" (1/1) ... [2023-12-02 17:56:58,417 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:58" (1/1) ... [2023-12-02 17:56:58,427 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:58" (1/1) ... [2023-12-02 17:56:58,433 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:58" (1/1) ... [2023-12-02 17:56:58,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:58" (1/1) ... [2023-12-02 17:56:58,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:58" (1/1) ... [2023-12-02 17:56:58,442 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:56:58,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:56:58,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:56:58,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:56:58,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:58" (1/1) ... [2023-12-02 17:56:58,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:56:58,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:56:58,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:56:58,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:56:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 17:56:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 17:56:58,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 17:56:58,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:56:58,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 17:56:58,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 17:56:58,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 17:56:58,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 17:56:58,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:56:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:56:58,648 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:56:58,651 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:56:58,913 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:56:58,975 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:56:58,975 INFO L309 CfgBuilder]: Removed 31 assume(true) statements. [2023-12-02 17:56:58,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:56:58 BoogieIcfgContainer [2023-12-02 17:56:58,977 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:56:58,979 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:56:58,979 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:56:58,983 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:56:58,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:56:57" (1/3) ... [2023-12-02 17:56:58,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd501da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:56:58, skipping insertion in model container [2023-12-02 17:56:58,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:56:58" (2/3) ... [2023-12-02 17:56:58,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd501da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:56:58, skipping insertion in model container [2023-12-02 17:56:58,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:56:58" (3/3) ... [2023-12-02 17:56:58,986 INFO L112 eAbstractionObserver]: Analyzing ICFG dll-queue-1.i [2023-12-02 17:56:59,006 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:56:59,006 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2023-12-02 17:56:59,061 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:56:59,067 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2ac38845, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:56:59,068 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2023-12-02 17:56:59,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 61 states have (on average 2.0491803278688523) internal successors, (125), 75 states have internal predecessors, (125), 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) [2023-12-02 17:56:59,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 17:56:59,078 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:56:59,079 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 17:56:59,079 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2023-12-02 17:56:59,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:56:59,085 INFO L85 PathProgramCache]: Analyzing trace with hash 11235370, now seen corresponding path program 1 times [2023-12-02 17:56:59,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:56:59,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893159600] [2023-12-02 17:56:59,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:56:59,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:56:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:56:59,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:56:59,253 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:56:59,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893159600] [2023-12-02 17:56:59,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893159600] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:56:59,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:56:59,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:56:59,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105094186] [2023-12-02 17:56:59,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:56:59,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 17:56:59,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:56:59,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 17:56:59,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 17:56:59,292 INFO L87 Difference]: Start difference. First operand has 76 states, 61 states have (on average 2.0491803278688523) internal successors, (125), 75 states have internal predecessors, (125), 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) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-12-02 17:56:59,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:56:59,344 INFO L93 Difference]: Finished difference Result 151 states and 249 transitions. [2023-12-02 17:56:59,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 17:56:59,347 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) Word has length 4 [2023-12-02 17:56:59,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:56:59,355 INFO L225 Difference]: With dead ends: 151 [2023-12-02 17:56:59,356 INFO L226 Difference]: Without dead ends: 74 [2023-12-02 17:56:59,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 17:56:59,362 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 17:56:59,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 17:56:59,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-12-02 17:56:59,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-12-02 17:56:59,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 60 states have (on average 1.3) internal successors, (78), 73 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:56:59,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 78 transitions. [2023-12-02 17:56:59,395 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 78 transitions. Word has length 4 [2023-12-02 17:56:59,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:56:59,395 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 78 transitions. [2023-12-02 17:56:59,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-12-02 17:56:59,396 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2023-12-02 17:56:59,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 17:56:59,396 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:56:59,397 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-12-02 17:56:59,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 17:56:59,397 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2023-12-02 17:56:59,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:56:59,398 INFO L85 PathProgramCache]: Analyzing trace with hash 346872085, now seen corresponding path program 1 times [2023-12-02 17:56:59,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:56:59,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215347213] [2023-12-02 17:56:59,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:56:59,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:56:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:56:59,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:56:59,516 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:56:59,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215347213] [2023-12-02 17:56:59,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215347213] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:56:59,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:56:59,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:56:59,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061132168] [2023-12-02 17:56:59,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:56:59,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:56:59,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:56:59,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:56:59,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:56:59,519 INFO L87 Difference]: Start difference. First operand 74 states and 78 transitions. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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) [2023-12-02 17:56:59,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:56:59,580 INFO L93 Difference]: Finished difference Result 74 states and 78 transitions. [2023-12-02 17:56:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:56:59,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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) Word has length 5 [2023-12-02 17:56:59,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:56:59,582 INFO L225 Difference]: With dead ends: 74 [2023-12-02 17:56:59,582 INFO L226 Difference]: Without dead ends: 64 [2023-12-02 17:56:59,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:56:59,584 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 65 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 17:56:59,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 51 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 17:56:59,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-12-02 17:56:59,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-12-02 17:56:59,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 55 states have (on average 1.2363636363636363) internal successors, (68), 63 states have internal predecessors, (68), 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) [2023-12-02 17:56:59,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2023-12-02 17:56:59,598 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 5 [2023-12-02 17:56:59,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:56:59,598 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2023-12-02 17:56:59,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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) [2023-12-02 17:56:59,598 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2023-12-02 17:56:59,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 17:56:59,599 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:56:59,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:56:59,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 17:56:59,600 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2023-12-02 17:56:59,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:56:59,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1663247911, now seen corresponding path program 1 times [2023-12-02 17:56:59,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:56:59,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001959944] [2023-12-02 17:56:59,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:56:59,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:56:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:57:00,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:57:00,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:57:00,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001959944] [2023-12-02 17:57:00,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001959944] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:57:00,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:57:00,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 17:57:00,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685413389] [2023-12-02 17:57:00,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:57:00,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 17:57:00,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:57:00,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 17:57:00,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 17:57:00,019 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand has 4 states, 4 states have (on average 1.75) 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) [2023-12-02 17:57:00,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:57:00,131 INFO L93 Difference]: Finished difference Result 113 states and 121 transitions. [2023-12-02 17:57:00,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 17:57:00,132 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) 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) Word has length 7 [2023-12-02 17:57:00,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:57:00,133 INFO L225 Difference]: With dead ends: 113 [2023-12-02 17:57:00,133 INFO L226 Difference]: Without dead ends: 111 [2023-12-02 17:57:00,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 17:57:00,135 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 154 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:57:00,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 101 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 17:57:00,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-12-02 17:57:00,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 62. [2023-12-02 17:57:00,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 54 states have (on average 1.2222222222222223) internal successors, (66), 61 states have internal predecessors, (66), 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) [2023-12-02 17:57:00,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2023-12-02 17:57:00,147 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 7 [2023-12-02 17:57:00,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:57:00,147 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2023-12-02 17:57:00,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) 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) [2023-12-02 17:57:00,148 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2023-12-02 17:57:00,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 17:57:00,148 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:57:00,148 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:57:00,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 17:57:00,149 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2023-12-02 17:57:00,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:57:00,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1331859152, now seen corresponding path program 1 times [2023-12-02 17:57:00,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:57:00,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213700134] [2023-12-02 17:57:00,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:57:00,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:57:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:57:00,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:57:00,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:57:00,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213700134] [2023-12-02 17:57:00,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213700134] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:57:00,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:57:00,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:57:00,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933432584] [2023-12-02 17:57:00,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:57:00,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:57:00,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:57:00,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:57:00,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:57:00,188 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:57:00,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:57:00,268 INFO L93 Difference]: Finished difference Result 130 states and 140 transitions. [2023-12-02 17:57:00,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:57:00,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-12-02 17:57:00,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:57:00,269 INFO L225 Difference]: With dead ends: 130 [2023-12-02 17:57:00,270 INFO L226 Difference]: Without dead ends: 78 [2023-12-02 17:57:00,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:57:00,271 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 12 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:57:00,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 115 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 17:57:00,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-12-02 17:57:00,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 69. [2023-12-02 17:57:00,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 61 states have (on average 1.2131147540983607) internal successors, (74), 68 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:57:00,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2023-12-02 17:57:00,283 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 74 transitions. Word has length 11 [2023-12-02 17:57:00,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:57:00,283 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 74 transitions. [2023-12-02 17:57:00,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:57:00,284 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2023-12-02 17:57:00,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 17:57:00,285 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:57:00,285 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:57:00,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 17:57:00,285 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2023-12-02 17:57:00,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:57:00,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1071458136, now seen corresponding path program 1 times [2023-12-02 17:57:00,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:57:00,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176794275] [2023-12-02 17:57:00,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:57:00,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:57:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:57:00,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:57:00,378 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:57:00,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176794275] [2023-12-02 17:57:00,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176794275] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:57:00,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:57:00,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 17:57:00,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32930919] [2023-12-02 17:57:00,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:57:00,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 17:57:00,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:57:00,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 17:57:00,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 17:57:00,381 INFO L87 Difference]: Start difference. First operand 69 states and 74 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-12-02 17:57:00,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:57:00,478 INFO L93 Difference]: Finished difference Result 78 states and 83 transitions. [2023-12-02 17:57:00,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 17:57:00,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 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) Word has length 14 [2023-12-02 17:57:00,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:57:00,480 INFO L225 Difference]: With dead ends: 78 [2023-12-02 17:57:00,480 INFO L226 Difference]: Without dead ends: 64 [2023-12-02 17:57:00,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 17:57:00,481 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 4 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:57:00,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 171 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 17:57:00,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-12-02 17:57:00,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-12-02 17:57:00,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 56 states have (on average 1.2142857142857142) internal successors, (68), 63 states have internal predecessors, (68), 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) [2023-12-02 17:57:00,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2023-12-02 17:57:00,492 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 14 [2023-12-02 17:57:00,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:57:00,493 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2023-12-02 17:57:00,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-12-02 17:57:00,493 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2023-12-02 17:57:00,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 17:57:00,494 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:57:00,494 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:57:00,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 17:57:00,494 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2023-12-02 17:57:00,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:57:00,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1331344011, now seen corresponding path program 1 times [2023-12-02 17:57:00,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:57:00,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920701429] [2023-12-02 17:57:00,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:57:00,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:57:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:57:00,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:57:00,984 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:57:00,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920701429] [2023-12-02 17:57:00,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920701429] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:57:00,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19197014] [2023-12-02 17:57:00,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:57:00,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:57:00,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:57:00,986 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:57:00,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a25d41-59ab-4b8b-abd3-239b1092d52b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 17:57:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:57:01,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 17:57:01,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:57:01,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-12-02 17:57:01,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 17:57:01,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 41 [2023-12-02 17:57:01,306 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-12-02 17:57:01,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 68 [2023-12-02 17:57:01,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-02 17:57:01,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 17:57:01,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 17:57:01,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 17:57:01,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2023-12-02 17:57:01,360 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-12-02 17:57:01,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 57 [2023-12-02 17:57:01,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2023-12-02 17:57:01,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 17:57:01,481 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 24 treesize of output 12 [2023-12-02 17:57:01,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:57:01,493 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:57:01,767 INFO L349 Elim1Store]: treesize reduction 297, result has 36.7 percent of original size [2023-12-02 17:57:01,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 554 treesize of output 653 [2023-12-02 17:57:01,840 INFO L349 Elim1Store]: treesize reduction 15, result has 70.0 percent of original size [2023-12-02 17:57:01,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 530 treesize of output 450 [2023-12-02 17:57:01,977 INFO L349 Elim1Store]: treesize reduction 55, result has 30.4 percent of original size [2023-12-02 17:57:01,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 682 treesize of output 622 [2023-12-02 17:57:02,218 INFO L349 Elim1Store]: treesize reduction 233, result has 25.6 percent of original size [2023-12-02 17:57:02,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 557 treesize of output 663 [2023-12-02 17:57:03,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 6 [2023-12-02 17:57:03,656 INFO L349 Elim1Store]: treesize reduction 107, result has 31.4 percent of original size [2023-12-02 17:57:03,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 110 treesize of output 153 [2023-12-02 17:57:03,829 INFO L349 Elim1Store]: treesize reduction 150, result has 12.3 percent of original size [2023-12-02 17:57:03,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 101 treesize of output 71 [2023-12-02 17:57:03,875 INFO L349 Elim1Store]: treesize reduction 10, result has 69.7 percent of original size [2023-12-02 17:57:03,876 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 50 treesize of output 61 [2023-12-02 18:04:46,967 WARN L293 SmtUtils]: Spent 7.69m on a formula simplification. DAG size of input: 1478 DAG size of output: 469 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-12-02 18:04:46,967 INFO L349 Elim1Store]: treesize reduction 6406, result has 18.1 percent of original size [2023-12-02 18:04:46,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 32 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 34 new quantified variables, introduced 194 case distinctions, treesize of input 9524 treesize of output 25086 [2023-12-02 18:04:52,144 WARN L293 SmtUtils]: Spent 5.15s on a formula simplification. DAG size of input: 4315 DAG size of output: 3916 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:05:18,840 WARN L293 SmtUtils]: Spent 17.26s on a formula simplification. DAG size of input: 4031 DAG size of output: 4151 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 18:06:05,600 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 18:06:05,600 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 18:06:05,601 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 18:06:05,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:06,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:07,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:07,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:07,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:07,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:07,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:07,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:07,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:07,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:08,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:12,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:17,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:19,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:21,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:26,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:26,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:26,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:26,612 INFO L224 Elim1Store]: Index analysis took 20544 ms [2023-12-02 18:06:27,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:27,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 18:06:28,133 INFO L190 IndexEqualityManager]: detected not equals via solver