./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5fbe673-b37f-4546-8082-07132fcea450/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5fbe673-b37f-4546-8082-07132fcea450/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5fbe673-b37f-4546-8082-07132fcea450/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5fbe673-b37f-4546-8082-07132fcea450/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5fbe673-b37f-4546-8082-07132fcea450/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5fbe673-b37f-4546-8082-07132fcea450/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e3838e9b0fe368810fc333620df3a05f4f501b739959aedb61fcfde88b41758 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:45:00,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:45:00,631 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5fbe673-b37f-4546-8082-07132fcea450/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:45:00,644 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:45:00,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:45:00,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:45:00,688 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:45:00,689 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:45:00,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:45:00,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:45:00,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:45:00,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:45:00,698 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:45:00,700 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:45:00,700 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:45:00,701 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:45:00,701 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:45:00,702 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:45:00,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:45:00,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:45:00,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:45:00,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:45:00,705 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:45:00,705 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:45:00,705 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:45:00,706 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:45:00,707 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:45:00,708 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:45:00,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:45:00,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:45:00,710 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:45:00,711 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:45:00,711 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:45:00,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:45:00,711 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:45:00,712 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:45:00,712 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:45:00,712 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:45:00,712 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:45:00,713 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b5fbe673-b37f-4546-8082-07132fcea450/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5fbe673-b37f-4546-8082-07132fcea450/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e3838e9b0fe368810fc333620df3a05f4f501b739959aedb61fcfde88b41758 [2023-11-06 22:45:01,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:45:01,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:45:01,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:45:01,176 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:45:01,177 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:45:01,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5fbe673-b37f-4546-8082-07132fcea450/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2023-11-06 22:45:04,409 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:45:05,575 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:45:05,576 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2023-11-06 22:45:05,699 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5fbe673-b37f-4546-8082-07132fcea450/bin/uautomizer-verify-WvqO1wxjHP/data/8369cd7b8/917c221805374751892bf618bce81284/FLAG1e1641179 [2023-11-06 22:45:05,722 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5fbe673-b37f-4546-8082-07132fcea450/bin/uautomizer-verify-WvqO1wxjHP/data/8369cd7b8/917c221805374751892bf618bce81284 [2023-11-06 22:45:05,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:45:05,735 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:45:05,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:45:05,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:45:05,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:45:05,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:45:05" (1/1) ... [2023-11-06 22:45:05,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@500c55ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:05, skipping insertion in model container [2023-11-06 22:45:05,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:45:05" (1/1) ... [2023-11-06 22:45:06,354 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:45:07,551 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[93880,93893] [2023-11-06 22:45:07,797 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[127977,127990] [2023-11-06 22:45:08,094 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[184673,184686] [2023-11-06 22:45:08,254 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[220032,220045] [2023-11-06 22:45:08,302 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[229801,229814] [2023-11-06 22:45:08,314 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[232051,232064] [2023-11-06 22:45:08,392 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[249702,249715] [2023-11-06 22:45:08,424 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[257723,257736] [2023-11-06 22:45:08,543 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[288453,288466] [2023-11-06 22:45:08,660 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[318193,318206] [2023-11-06 22:45:08,993 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[406252,406265] [2023-11-06 22:45:09,067 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[425331,425344] [2023-11-06 22:45:09,183 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[445911,445924] [2023-11-06 22:45:09,210 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[453486,453499] [2023-11-06 22:45:09,226 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[457284,457297] [2023-11-06 22:45:09,293 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[472883,472896] [2023-11-06 22:45:09,351 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[488771,488784] [2023-11-06 22:45:09,474 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[523323,523336] [2023-11-06 22:45:09,805 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[617972,617985] [2023-11-06 22:45:10,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:45:10,208 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:45:10,606 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[93880,93893] [2023-11-06 22:45:10,721 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[127977,127990] [2023-11-06 22:45:10,896 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[184673,184686] [2023-11-06 22:45:11,004 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[220032,220045] [2023-11-06 22:45:11,035 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[229801,229814] [2023-11-06 22:45:11,045 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[232051,232064] [2023-11-06 22:45:11,105 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[249702,249715] [2023-11-06 22:45:11,131 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[257723,257736] [2023-11-06 22:45:11,227 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[288453,288466] [2023-11-06 22:45:11,324 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[318193,318206] [2023-11-06 22:45:11,551 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[406252,406265] [2023-11-06 22:45:11,664 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[425331,425344] [2023-11-06 22:45:11,723 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[445911,445924] [2023-11-06 22:45:11,745 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[453486,453499] [2023-11-06 22:45:11,759 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[457284,457297] [2023-11-06 22:45:11,800 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[472883,472896] [2023-11-06 22:45:11,846 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[488771,488784] [2023-11-06 22:45:11,940 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[523323,523336] [2023-11-06 22:45:12,186 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_b5fbe673-b37f-4546-8082-07132fcea450/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[617972,617985] [2023-11-06 22:45:12,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:45:12,510 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:45:12,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:12 WrapperNode [2023-11-06 22:45:12,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:45:12,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:45:12,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:45:12,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:45:12,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:12" (1/1) ... [2023-11-06 22:45:12,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:12" (1/1) ... [2023-11-06 22:45:13,434 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31882 [2023-11-06 22:45:13,435 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:45:13,436 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:45:13,436 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:45:13,436 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:45:13,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:12" (1/1) ... [2023-11-06 22:45:13,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:12" (1/1) ... [2023-11-06 22:45:13,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:12" (1/1) ... [2023-11-06 22:45:13,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:12" (1/1) ... [2023-11-06 22:45:13,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:12" (1/1) ... [2023-11-06 22:45:14,028 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:12" (1/1) ... [2023-11-06 22:45:14,117 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:12" (1/1) ... [2023-11-06 22:45:14,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:12" (1/1) ... [2023-11-06 22:45:14,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:45:14,307 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:45:14,307 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:45:14,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:45:14,308 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:12" (1/1) ... [2023-11-06 22:45:14,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:45:14,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5fbe673-b37f-4546-8082-07132fcea450/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:45:14,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5fbe673-b37f-4546-8082-07132fcea450/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:45:14,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5fbe673-b37f-4546-8082-07132fcea450/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:45:14,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:45:14,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:45:14,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:45:14,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:45:15,176 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:45:15,178 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:45:30,467 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:45:30,526 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:45:30,526 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:45:30,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:45:30 BoogieIcfgContainer [2023-11-06 22:45:30,537 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:45:30,540 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:45:30,540 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:45:30,544 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:45:30,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:45:05" (1/3) ... [2023-11-06 22:45:30,546 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5662755b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:45:30, skipping insertion in model container [2023-11-06 22:45:30,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:12" (2/3) ... [2023-11-06 22:45:30,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5662755b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:45:30, skipping insertion in model container [2023-11-06 22:45:30,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:45:30" (3/3) ... [2023-11-06 22:45:30,548 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2023-11-06 22:45:30,573 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:45:30,574 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2023-11-06 22:45:30,785 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:45:30,793 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@41507138, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:45:30,794 INFO L358 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2023-11-06 22:45:30,825 INFO L276 IsEmpty]: Start isEmpty. Operand has 6346 states, 6326 states have (on average 1.7758457160923173) internal successors, (11234), 6345 states have internal predecessors, (11234), 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) [2023-11-06 22:45:30,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-06 22:45:30,895 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:30,896 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:45:30,897 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-11-06 22:45:30,904 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:30,904 INFO L85 PathProgramCache]: Analyzing trace with hash -280850909, now seen corresponding path program 1 times [2023-11-06 22:45:30,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:30,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791595599] [2023-11-06 22:45:30,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:30,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:32,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:45:32,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:32,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791595599] [2023-11-06 22:45:32,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791595599] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:32,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:32,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:45:32,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860670145] [2023-11-06 22:45:32,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:32,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:45:32,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:32,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:45:32,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:45:32,131 INFO L87 Difference]: Start difference. First operand has 6346 states, 6326 states have (on average 1.7758457160923173) internal successors, (11234), 6345 states have internal predecessors, (11234), 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 5 states, 5 states have (on average 15.6) internal successors, (78), 4 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) [2023-11-06 22:45:40,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:40,242 INFO L93 Difference]: Finished difference Result 9409 states and 16411 transitions. [2023-11-06 22:45:40,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:45:40,245 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 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) Word has length 78 [2023-11-06 22:45:40,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:40,315 INFO L225 Difference]: With dead ends: 9409 [2023-11-06 22:45:40,315 INFO L226 Difference]: Without dead ends: 5984 [2023-11-06 22:45:40,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:45:40,339 INFO L413 NwaCegarLoop]: 4931 mSDtfsCounter, 29409 mSDsluCounter, 1029 mSDsCounter, 0 mSdLazyCounter, 4529 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29409 SdHoareTripleChecker+Valid, 5960 SdHoareTripleChecker+Invalid, 4592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 4529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:40,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29409 Valid, 5960 Invalid, 4592 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [63 Valid, 4529 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2023-11-06 22:45:40,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5984 states. [2023-11-06 22:45:40,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5984 to 5951. [2023-11-06 22:45:40,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5951 states, 5932 states have (on average 1.295515846257586) internal successors, (7685), 5950 states have internal predecessors, (7685), 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) [2023-11-06 22:45:40,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5951 states to 5951 states and 7685 transitions. [2023-11-06 22:45:40,989 INFO L78 Accepts]: Start accepts. Automaton has 5951 states and 7685 transitions. Word has length 78 [2023-11-06 22:45:40,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:40,991 INFO L495 AbstractCegarLoop]: Abstraction has 5951 states and 7685 transitions. [2023-11-06 22:45:40,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 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) [2023-11-06 22:45:40,992 INFO L276 IsEmpty]: Start isEmpty. Operand 5951 states and 7685 transitions. [2023-11-06 22:45:41,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-06 22:45:41,018 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:41,018 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:45:41,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:45:41,020 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-11-06 22:45:41,020 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:41,021 INFO L85 PathProgramCache]: Analyzing trace with hash -71857781, now seen corresponding path program 1 times [2023-11-06 22:45:41,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:41,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415446738] [2023-11-06 22:45:41,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:41,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:41,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:45:41,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:41,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415446738] [2023-11-06 22:45:41,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415446738] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:41,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:41,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:45:41,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800630500] [2023-11-06 22:45:41,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:41,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:45:41,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:41,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:45:41,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:45:41,610 INFO L87 Difference]: Start difference. First operand 5951 states and 7685 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 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) [2023-11-06 22:45:49,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:49,041 INFO L93 Difference]: Finished difference Result 11857 states and 15471 transitions. [2023-11-06 22:45:49,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:45:49,042 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 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 79 [2023-11-06 22:45:49,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:49,096 INFO L225 Difference]: With dead ends: 11857 [2023-11-06 22:45:49,096 INFO L226 Difference]: Without dead ends: 7978 [2023-11-06 22:45:49,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:45:49,108 INFO L413 NwaCegarLoop]: 3086 mSDtfsCounter, 23527 mSDsluCounter, 1026 mSDsCounter, 0 mSdLazyCounter, 4550 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23527 SdHoareTripleChecker+Valid, 4112 SdHoareTripleChecker+Invalid, 4621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 4550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:49,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23527 Valid, 4112 Invalid, 4621 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [71 Valid, 4550 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-11-06 22:45:49,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7978 states. [2023-11-06 22:45:49,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7978 to 7954. [2023-11-06 22:45:49,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7954 states, 7935 states have (on average 1.2995589161940768) internal successors, (10312), 7953 states have internal predecessors, (10312), 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) [2023-11-06 22:45:49,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7954 states to 7954 states and 10312 transitions. [2023-11-06 22:45:49,812 INFO L78 Accepts]: Start accepts. Automaton has 7954 states and 10312 transitions. Word has length 79 [2023-11-06 22:45:49,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:49,813 INFO L495 AbstractCegarLoop]: Abstraction has 7954 states and 10312 transitions. [2023-11-06 22:45:49,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 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) [2023-11-06 22:45:49,814 INFO L276 IsEmpty]: Start isEmpty. Operand 7954 states and 10312 transitions. [2023-11-06 22:45:49,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-06 22:45:49,836 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:49,837 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:45:49,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:45:49,841 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-11-06 22:45:49,843 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:49,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1179108102, now seen corresponding path program 1 times [2023-11-06 22:45:49,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:49,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754838626] [2023-11-06 22:45:49,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:49,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:50,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:45:50,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:50,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754838626] [2023-11-06 22:45:50,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754838626] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:50,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:50,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:45:50,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628845470] [2023-11-06 22:45:50,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:50,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:45:50,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:50,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:45:50,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:45:50,343 INFO L87 Difference]: Start difference. First operand 7954 states and 10312 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2023-11-06 22:45:55,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:55,431 INFO L93 Difference]: Finished difference Result 13550 states and 17555 transitions. [2023-11-06 22:45:55,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:45:55,432 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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 80 [2023-11-06 22:45:55,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:55,481 INFO L225 Difference]: With dead ends: 13550 [2023-11-06 22:45:55,481 INFO L226 Difference]: Without dead ends: 8760 [2023-11-06 22:45:55,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:45:55,492 INFO L413 NwaCegarLoop]: 2516 mSDtfsCounter, 17883 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 3231 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17883 SdHoareTripleChecker+Valid, 3296 SdHoareTripleChecker+Invalid, 3273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 3231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:55,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17883 Valid, 3296 Invalid, 3273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 3231 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-06 22:45:55,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8760 states. [2023-11-06 22:45:56,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8760 to 8729. [2023-11-06 22:45:56,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8729 states, 8710 states have (on average 1.304247990815155) internal successors, (11360), 8728 states have internal predecessors, (11360), 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) [2023-11-06 22:45:56,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8729 states to 8729 states and 11360 transitions. [2023-11-06 22:45:56,198 INFO L78 Accepts]: Start accepts. Automaton has 8729 states and 11360 transitions. Word has length 80 [2023-11-06 22:45:56,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:56,200 INFO L495 AbstractCegarLoop]: Abstraction has 8729 states and 11360 transitions. [2023-11-06 22:45:56,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2023-11-06 22:45:56,207 INFO L276 IsEmpty]: Start isEmpty. Operand 8729 states and 11360 transitions. [2023-11-06 22:45:56,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-06 22:45:56,227 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:56,227 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:45:56,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:45:56,232 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-11-06 22:45:56,233 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:56,233 INFO L85 PathProgramCache]: Analyzing trace with hash -420988062, now seen corresponding path program 1 times [2023-11-06 22:45:56,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:56,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295528444] [2023-11-06 22:45:56,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:56,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:57,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:45:57,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:57,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295528444] [2023-11-06 22:45:57,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295528444] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:57,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:57,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:45:57,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938406643] [2023-11-06 22:45:57,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:57,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:45:57,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:57,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:45:57,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:45:57,263 INFO L87 Difference]: Start difference. First operand 8729 states and 11360 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 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) [2023-11-06 22:46:07,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:07,220 INFO L93 Difference]: Finished difference Result 9906 states and 12924 transitions. [2023-11-06 22:46:07,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:46:07,221 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 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 80 [2023-11-06 22:46:07,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:07,271 INFO L225 Difference]: With dead ends: 9906 [2023-11-06 22:46:07,271 INFO L226 Difference]: Without dead ends: 9900 [2023-11-06 22:46:07,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2023-11-06 22:46:07,278 INFO L413 NwaCegarLoop]: 2544 mSDtfsCounter, 22506 mSDsluCounter, 9313 mSDsCounter, 0 mSdLazyCounter, 11387 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22506 SdHoareTripleChecker+Valid, 11857 SdHoareTripleChecker+Invalid, 11430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 11387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:07,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22506 Valid, 11857 Invalid, 11430 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [43 Valid, 11387 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2023-11-06 22:46:07,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9900 states. [2023-11-06 22:46:08,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9900 to 8729. [2023-11-06 22:46:08,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8729 states, 8710 states have (on average 1.3041331802525833) internal successors, (11359), 8728 states have internal predecessors, (11359), 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) [2023-11-06 22:46:08,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8729 states to 8729 states and 11359 transitions. [2023-11-06 22:46:08,085 INFO L78 Accepts]: Start accepts. Automaton has 8729 states and 11359 transitions. Word has length 80 [2023-11-06 22:46:08,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:08,086 INFO L495 AbstractCegarLoop]: Abstraction has 8729 states and 11359 transitions. [2023-11-06 22:46:08,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 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) [2023-11-06 22:46:08,087 INFO L276 IsEmpty]: Start isEmpty. Operand 8729 states and 11359 transitions. [2023-11-06 22:46:08,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-06 22:46:08,105 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:08,106 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:08,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:46:08,106 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-11-06 22:46:08,107 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:08,107 INFO L85 PathProgramCache]: Analyzing trace with hash 581417844, now seen corresponding path program 1 times [2023-11-06 22:46:08,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:08,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551973949] [2023-11-06 22:46:08,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:08,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:08,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:08,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:08,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551973949] [2023-11-06 22:46:08,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551973949] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:08,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:08,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:46:08,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126795432] [2023-11-06 22:46:08,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:08,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:46:08,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:08,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:46:08,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:46:08,487 INFO L87 Difference]: Start difference. First operand 8729 states and 11359 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2023-11-06 22:46:13,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:13,820 INFO L93 Difference]: Finished difference Result 18073 states and 23533 transitions. [2023-11-06 22:46:13,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:46:13,820 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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 80 [2023-11-06 22:46:13,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:13,855 INFO L225 Difference]: With dead ends: 18073 [2023-11-06 22:46:13,855 INFO L226 Difference]: Without dead ends: 11729 [2023-11-06 22:46:13,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:46:13,870 INFO L413 NwaCegarLoop]: 2393 mSDtfsCounter, 16957 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 3093 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16957 SdHoareTripleChecker+Valid, 3128 SdHoareTripleChecker+Invalid, 3225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 3093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:13,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16957 Valid, 3128 Invalid, 3225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 3093 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-06 22:46:13,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11729 states. [2023-11-06 22:46:14,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11729 to 11701. [2023-11-06 22:46:14,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11701 states, 11682 states have (on average 1.2846259202191406) internal successors, (15007), 11700 states have internal predecessors, (15007), 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) [2023-11-06 22:46:14,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11701 states to 11701 states and 15007 transitions. [2023-11-06 22:46:14,906 INFO L78 Accepts]: Start accepts. Automaton has 11701 states and 15007 transitions. Word has length 80 [2023-11-06 22:46:14,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:14,906 INFO L495 AbstractCegarLoop]: Abstraction has 11701 states and 15007 transitions. [2023-11-06 22:46:14,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2023-11-06 22:46:14,907 INFO L276 IsEmpty]: Start isEmpty. Operand 11701 states and 15007 transitions. [2023-11-06 22:46:14,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:46:14,930 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:14,930 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:14,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:46:14,930 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-11-06 22:46:14,931 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:14,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1834750067, now seen corresponding path program 1 times [2023-11-06 22:46:14,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:14,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421711528] [2023-11-06 22:46:14,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:14,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:16,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:16,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:16,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421711528] [2023-11-06 22:46:16,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421711528] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:16,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:16,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-06 22:46:16,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680935305] [2023-11-06 22:46:16,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:16,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:46:16,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:16,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:46:16,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:46:16,398 INFO L87 Difference]: Start difference. First operand 11701 states and 15007 transitions. Second operand has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:46:26,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:26,687 INFO L93 Difference]: Finished difference Result 30001 states and 41693 transitions. [2023-11-06 22:46:26,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-06 22:46:26,687 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-11-06 22:46:26,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:26,778 INFO L225 Difference]: With dead ends: 30001 [2023-11-06 22:46:26,778 INFO L226 Difference]: Without dead ends: 29992 [2023-11-06 22:46:26,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=293, Invalid=1039, Unknown=0, NotChecked=0, Total=1332 [2023-11-06 22:46:26,788 INFO L413 NwaCegarLoop]: 4976 mSDtfsCounter, 26739 mSDsluCounter, 35225 mSDsCounter, 0 mSdLazyCounter, 4591 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26739 SdHoareTripleChecker+Valid, 40201 SdHoareTripleChecker+Invalid, 4645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 4591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:26,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26739 Valid, 40201 Invalid, 4645 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [54 Valid, 4591 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-11-06 22:46:26,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29992 states. [2023-11-06 22:46:28,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29992 to 11692. [2023-11-06 22:46:28,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11692 states, 11674 states have (on average 1.2847353092341955) internal successors, (14998), 11691 states have internal predecessors, (14998), 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) [2023-11-06 22:46:28,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11692 states to 11692 states and 14998 transitions. [2023-11-06 22:46:28,609 INFO L78 Accepts]: Start accepts. Automaton has 11692 states and 14998 transitions. Word has length 81 [2023-11-06 22:46:28,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:28,610 INFO L495 AbstractCegarLoop]: Abstraction has 11692 states and 14998 transitions. [2023-11-06 22:46:28,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:46:28,610 INFO L276 IsEmpty]: Start isEmpty. Operand 11692 states and 14998 transitions. [2023-11-06 22:46:28,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:46:28,633 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:28,633 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:28,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:46:28,634 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-11-06 22:46:28,635 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:28,635 INFO L85 PathProgramCache]: Analyzing trace with hash -2058965680, now seen corresponding path program 1 times [2023-11-06 22:46:28,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:28,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518671255] [2023-11-06 22:46:28,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:28,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:28,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:28,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:28,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518671255] [2023-11-06 22:46:28,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518671255] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:28,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:28,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:46:28,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793150775] [2023-11-06 22:46:28,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:28,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:46:28,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:28,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:46:28,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:46:28,909 INFO L87 Difference]: Start difference. First operand 11692 states and 14998 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:46:35,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:35,462 INFO L93 Difference]: Finished difference Result 23265 states and 30123 transitions. [2023-11-06 22:46:35,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:46:35,463 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-11-06 22:46:35,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:35,499 INFO L225 Difference]: With dead ends: 23265 [2023-11-06 22:46:35,499 INFO L226 Difference]: Without dead ends: 16049 [2023-11-06 22:46:35,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:46:35,511 INFO L413 NwaCegarLoop]: 2195 mSDtfsCounter, 15592 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 2802 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15592 SdHoareTripleChecker+Valid, 2965 SdHoareTripleChecker+Invalid, 2852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 2802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:35,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15592 Valid, 2965 Invalid, 2852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 2802 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-06 22:46:35,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16049 states. [2023-11-06 22:46:37,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16049 to 16029. [2023-11-06 22:46:37,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16029 states, 16011 states have (on average 1.291674473799263) internal successors, (20681), 16028 states have internal predecessors, (20681), 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) [2023-11-06 22:46:37,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16029 states to 16029 states and 20681 transitions. [2023-11-06 22:46:37,931 INFO L78 Accepts]: Start accepts. Automaton has 16029 states and 20681 transitions. Word has length 81 [2023-11-06 22:46:37,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:37,931 INFO L495 AbstractCegarLoop]: Abstraction has 16029 states and 20681 transitions. [2023-11-06 22:46:37,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:46:37,931 INFO L276 IsEmpty]: Start isEmpty. Operand 16029 states and 20681 transitions. [2023-11-06 22:46:37,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:46:37,952 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:37,953 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:37,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:46:37,953 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-11-06 22:46:37,954 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:37,954 INFO L85 PathProgramCache]: Analyzing trace with hash -262268880, now seen corresponding path program 1 times [2023-11-06 22:46:37,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:37,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415344479] [2023-11-06 22:46:37,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:37,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:38,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:38,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:38,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415344479] [2023-11-06 22:46:38,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415344479] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:38,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:38,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:46:38,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911844387] [2023-11-06 22:46:38,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:38,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:46:38,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:38,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:46:38,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:46:38,612 INFO L87 Difference]: Start difference. First operand 16029 states and 20681 transitions. Second operand has 10 states, 10 states have (on average 8.1) internal successors, (81), 9 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:46:55,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:55,231 INFO L93 Difference]: Finished difference Result 33640 states and 46014 transitions. [2023-11-06 22:46:55,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-06 22:46:55,232 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 9 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-11-06 22:46:55,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:55,277 INFO L225 Difference]: With dead ends: 33640 [2023-11-06 22:46:55,277 INFO L226 Difference]: Without dead ends: 30257 [2023-11-06 22:46:55,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=192, Invalid=510, Unknown=0, NotChecked=0, Total=702 [2023-11-06 22:46:55,287 INFO L413 NwaCegarLoop]: 2278 mSDtfsCounter, 10827 mSDsluCounter, 9747 mSDsCounter, 0 mSdLazyCounter, 12100 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10827 SdHoareTripleChecker+Valid, 12025 SdHoareTripleChecker+Invalid, 12110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 12100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:55,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10827 Valid, 12025 Invalid, 12110 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 12100 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2023-11-06 22:46:55,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30257 states. [2023-11-06 22:46:58,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30257 to 16036. [2023-11-06 22:46:58,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16036 states, 16018 states have (on average 1.2915470096141841) internal successors, (20688), 16035 states have internal predecessors, (20688), 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) [2023-11-06 22:46:58,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16036 states to 16036 states and 20688 transitions. [2023-11-06 22:46:58,997 INFO L78 Accepts]: Start accepts. Automaton has 16036 states and 20688 transitions. Word has length 81 [2023-11-06 22:46:58,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:58,997 INFO L495 AbstractCegarLoop]: Abstraction has 16036 states and 20688 transitions. [2023-11-06 22:46:58,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 9 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:46:58,998 INFO L276 IsEmpty]: Start isEmpty. Operand 16036 states and 20688 transitions. [2023-11-06 22:46:59,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-06 22:46:59,015 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:59,015 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:59,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:46:59,016 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-11-06 22:46:59,016 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:59,017 INFO L85 PathProgramCache]: Analyzing trace with hash -237576773, now seen corresponding path program 1 times [2023-11-06 22:46:59,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:59,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525777368] [2023-11-06 22:46:59,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:59,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:59,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:59,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:59,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525777368] [2023-11-06 22:46:59,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525777368] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:59,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:59,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:46:59,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352466879] [2023-11-06 22:46:59,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:59,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:46:59,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:59,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:46:59,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:46:59,194 INFO L87 Difference]: Start difference. First operand 16036 states and 20688 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2023-11-06 22:47:04,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:47:04,447 INFO L93 Difference]: Finished difference Result 31929 states and 41560 transitions. [2023-11-06 22:47:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:47:04,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 82 [2023-11-06 22:47:04,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:47:04,471 INFO L225 Difference]: With dead ends: 31929 [2023-11-06 22:47:04,471 INFO L226 Difference]: Without dead ends: 19647 [2023-11-06 22:47:04,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:47:04,482 INFO L413 NwaCegarLoop]: 3945 mSDtfsCounter, 3985 mSDsluCounter, 1079 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3985 SdHoareTripleChecker+Valid, 5024 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:47:04,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3985 Valid, 5024 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:47:04,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19647 states. [2023-11-06 22:47:08,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19647 to 19618. [2023-11-06 22:47:08,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19618 states, 19600 states have (on average 1.2878061224489796) internal successors, (25241), 19617 states have internal predecessors, (25241), 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) [2023-11-06 22:47:08,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19618 states to 19618 states and 25241 transitions. [2023-11-06 22:47:08,967 INFO L78 Accepts]: Start accepts. Automaton has 19618 states and 25241 transitions. Word has length 82 [2023-11-06 22:47:08,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:47:08,968 INFO L495 AbstractCegarLoop]: Abstraction has 19618 states and 25241 transitions. [2023-11-06 22:47:08,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2023-11-06 22:47:08,968 INFO L276 IsEmpty]: Start isEmpty. Operand 19618 states and 25241 transitions. [2023-11-06 22:47:08,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-06 22:47:08,980 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:47:08,981 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:47:08,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:47:08,981 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-11-06 22:47:08,981 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:47:08,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1592112302, now seen corresponding path program 1 times [2023-11-06 22:47:08,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:47:08,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338651979] [2023-11-06 22:47:08,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:47:08,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:47:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:09,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:47:09,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:47:09,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338651979] [2023-11-06 22:47:09,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338651979] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:47:09,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:47:09,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-06 22:47:09,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069178974] [2023-11-06 22:47:09,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:47:09,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:47:09,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:47:09,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:47:09,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:47:09,975 INFO L87 Difference]: Start difference. First operand 19618 states and 25241 transitions. Second operand has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 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) [2023-11-06 22:47:27,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:47:27,017 INFO L93 Difference]: Finished difference Result 51010 states and 71539 transitions. [2023-11-06 22:47:27,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-06 22:47:27,024 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 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 82 [2023-11-06 22:47:27,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:47:27,093 INFO L225 Difference]: With dead ends: 51010 [2023-11-06 22:47:27,093 INFO L226 Difference]: Without dead ends: 46150 [2023-11-06 22:47:27,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2023-11-06 22:47:27,107 INFO L413 NwaCegarLoop]: 4167 mSDtfsCounter, 20741 mSDsluCounter, 18734 mSDsCounter, 0 mSdLazyCounter, 2580 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20741 SdHoareTripleChecker+Valid, 22901 SdHoareTripleChecker+Invalid, 2615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:47:27,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20741 Valid, 22901 Invalid, 2615 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [35 Valid, 2580 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-06 22:47:27,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46150 states. [2023-11-06 22:47:32,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46150 to 19544. [2023-11-06 22:47:32,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19544 states, 19527 states have (on average 1.287396937573616) internal successors, (25139), 19543 states have internal predecessors, (25139), 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) [2023-11-06 22:47:32,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19544 states to 19544 states and 25139 transitions. [2023-11-06 22:47:32,142 INFO L78 Accepts]: Start accepts. Automaton has 19544 states and 25139 transitions. Word has length 82 [2023-11-06 22:47:32,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:47:32,142 INFO L495 AbstractCegarLoop]: Abstraction has 19544 states and 25139 transitions. [2023-11-06 22:47:32,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 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) [2023-11-06 22:47:32,142 INFO L276 IsEmpty]: Start isEmpty. Operand 19544 states and 25139 transitions. [2023-11-06 22:47:32,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-06 22:47:32,151 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:47:32,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:47:32,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:47:32,152 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-11-06 22:47:32,153 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:47:32,153 INFO L85 PathProgramCache]: Analyzing trace with hash 369377035, now seen corresponding path program 1 times [2023-11-06 22:47:32,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:47:32,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917401343] [2023-11-06 22:47:32,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:47:32,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:47:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:32,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:47:32,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:47:32,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917401343] [2023-11-06 22:47:32,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917401343] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:47:32,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:47:32,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:47:32,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869301340] [2023-11-06 22:47:32,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:47:32,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:47:32,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:47:32,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:47:32,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:47:32,658 INFO L87 Difference]: Start difference. First operand 19544 states and 25139 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 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) [2023-11-06 22:47:45,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:47:45,317 INFO L93 Difference]: Finished difference Result 24761 states and 32044 transitions. [2023-11-06 22:47:45,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:47:45,317 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 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 83 [2023-11-06 22:47:45,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:47:45,353 INFO L225 Difference]: With dead ends: 24761 [2023-11-06 22:47:45,353 INFO L226 Difference]: Without dead ends: 24752 [2023-11-06 22:47:45,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2023-11-06 22:47:45,359 INFO L413 NwaCegarLoop]: 2142 mSDtfsCounter, 10412 mSDsluCounter, 6807 mSDsCounter, 0 mSdLazyCounter, 8244 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10412 SdHoareTripleChecker+Valid, 8949 SdHoareTripleChecker+Invalid, 8283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 8244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:47:45,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10412 Valid, 8949 Invalid, 8283 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [39 Valid, 8244 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-11-06 22:47:45,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24752 states. [2023-11-06 22:47:50,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24752 to 19544. [2023-11-06 22:47:50,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19544 states, 19527 states have (on average 1.2873457264300712) internal successors, (25138), 19543 states have internal predecessors, (25138), 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) [2023-11-06 22:47:50,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19544 states to 19544 states and 25138 transitions. [2023-11-06 22:47:50,439 INFO L78 Accepts]: Start accepts. Automaton has 19544 states and 25138 transitions. Word has length 83 [2023-11-06 22:47:50,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:47:50,439 INFO L495 AbstractCegarLoop]: Abstraction has 19544 states and 25138 transitions. [2023-11-06 22:47:50,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 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) [2023-11-06 22:47:50,440 INFO L276 IsEmpty]: Start isEmpty. Operand 19544 states and 25138 transitions. [2023-11-06 22:47:50,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-06 22:47:50,448 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:47:50,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:47:50,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 22:47:50,449 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-11-06 22:47:50,449 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:47:50,449 INFO L85 PathProgramCache]: Analyzing trace with hash 505173845, now seen corresponding path program 1 times [2023-11-06 22:47:50,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:47:50,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438513516] [2023-11-06 22:47:50,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:47:50,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:47:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:47:51,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:47:51,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:47:51,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438513516] [2023-11-06 22:47:51,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438513516] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:47:51,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:47:51,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:47:51,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301823084] [2023-11-06 22:47:51,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:47:51,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:47:51,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:47:51,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:47:51,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:47:51,094 INFO L87 Difference]: Start difference. First operand 19544 states and 25138 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 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) [2023-11-06 22:48:14,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:48:14,583 INFO L93 Difference]: Finished difference Result 45056 states and 62202 transitions. [2023-11-06 22:48:14,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-06 22:48:14,583 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 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 83 [2023-11-06 22:48:14,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:48:14,638 INFO L225 Difference]: With dead ends: 45056 [2023-11-06 22:48:14,638 INFO L226 Difference]: Without dead ends: 40236 [2023-11-06 22:48:14,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2023-11-06 22:48:14,648 INFO L413 NwaCegarLoop]: 2351 mSDtfsCounter, 22489 mSDsluCounter, 10674 mSDsCounter, 0 mSdLazyCounter, 11709 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22489 SdHoareTripleChecker+Valid, 13025 SdHoareTripleChecker+Invalid, 11770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 11709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:48:14,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22489 Valid, 13025 Invalid, 11770 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [61 Valid, 11709 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2023-11-06 22:48:14,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40236 states. [2023-11-06 22:48:20,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40236 to 19514. [2023-11-06 22:48:20,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19514 states, 19497 states have (on average 1.287531415089501) internal successors, (25103), 19513 states have internal predecessors, (25103), 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) [2023-11-06 22:48:20,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19514 states to 19514 states and 25103 transitions. [2023-11-06 22:48:20,461 INFO L78 Accepts]: Start accepts. Automaton has 19514 states and 25103 transitions. Word has length 83 [2023-11-06 22:48:20,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:48:20,462 INFO L495 AbstractCegarLoop]: Abstraction has 19514 states and 25103 transitions. [2023-11-06 22:48:20,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 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) [2023-11-06 22:48:20,462 INFO L276 IsEmpty]: Start isEmpty. Operand 19514 states and 25103 transitions. [2023-11-06 22:48:20,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-06 22:48:20,472 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:48:20,472 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:48:20,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 22:48:20,473 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-11-06 22:48:20,473 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:48:20,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1309648752, now seen corresponding path program 1 times [2023-11-06 22:48:20,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:48:20,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755158495] [2023-11-06 22:48:20,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:48:20,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:48:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:48:21,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:48:21,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:48:21,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755158495] [2023-11-06 22:48:21,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755158495] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:48:21,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:48:21,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-06 22:48:21,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247172882] [2023-11-06 22:48:21,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:48:21,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:48:21,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:48:21,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:48:21,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:48:21,385 INFO L87 Difference]: Start difference. First operand 19514 states and 25103 transitions. Second operand has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 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)